Orban OPTIMOD-FM 5500 Operating Manual

[Page 1] Orban OPTIMOD-FM 5500

Operating Manual OPTIMOD-FM 5500 Digital Audio Processor Version 1.2 Software ...

[Page 2] Orban OPTIMOD-FM 5500

IMPORTANT NOTE: Refer to the unit’s rear panel for your Model Number. Model Number: Description: 5500 OPTIMOD 5500, Stereo Encoder, Digital I/O, Protec- tion Structure, Two-Band Structure, Five-Band struc- ture, Stand-Alone Stereo Encoder struc...

[Page 3] Orban OPTIMOD-FM 5500

IMPORTANT SAFETY INSTRUCTIONS All the safety and operating instructions should be read before the appliance is operated. Retain Instructions: The safety and operation instructions should be retained for future reference. Heed Warnings: All...

[Page 4] Orban OPTIMOD-FM 5500

Safety Instructions (German) Gerät nur an der am Leistungsschild vermerkten Spannung und Stromart betreiben. Sicherungen nur durch solche, gleicher Stromstärke und gleichen Abschaltverhaltens ersetzen. Sicherungen nie überbrücken. Jedwede Be...

[Page 5] Orban OPTIMOD-FM 5500

PLEASE READ BEFORE PROCEEDING! Manual The Operating Manual contains instructions to verify the proper operation of this unit and initialization of certain options. You will find these operations are most conveniently performed on the bench befor...

[Page 6] Orban OPTIMOD-FM 5500

WARNING This equipment generates, uses, and can radiate radio-frequency energy. If it is not installed and used as directed by this manual, it may cause interference to radio communication. This equipment complies with the limits for a Class A...

[Page 7] Orban OPTIMOD-FM 5500

Operating Manual OPTIMOD-FM 5500 Digital Audio Processor Version 1.2 Software ...

[Page 8] Orban OPTIMOD-FM 5500

Table of Contents Index.........................................................................................................................0-9 Section 1 Introduction .........................................................................

[Page 9] Orban OPTIMOD-FM 5500

MONITORING ON LOUDSPEAKERS AND HEADPHONES..........................................................1-24 EAS TEST......................................................................................................................1-25 PC CONTROL AN...

[Page 10] Orban OPTIMOD-FM 5500

SYNCHRONIZING OPTIMOD TO A NETWORK TIME SERVER....................................................2-52 INSTALLING 5500 PC REMOTE CONTROL SOFTWARE ..........................................................2-55 Installing the Necessary Windows Servic...

[Page 11] Orban OPTIMOD-FM 5500

Table 3-4: AGC Controls..................................................................................................3-29 Advanced AGC Controls........................................................................................3-32 CLIPPER ...

[Page 12] Orban OPTIMOD-FM 5500

FIELD AUDIT OF PERFORMANCE..........................................................................................4-6 Table 4-1: Typical Power Supply Voltages and AC Ripple.............................................. 4-7 Figure 4-1: Typical Fre...

[Page 13] Orban OPTIMOD-FM 5500

Input Circuits............................................................................................................6-8 Output Circuits.......................................................................................................6-10 ...

[Page 14] Orban OPTIMOD-FM 5500

Function Description Drawing Page Chassis Circuit Board Locator and Basic In- terconnections Top view (not to scale) 6-27 Control board Control microprocessor. Services front panel, serial port, Ethernet, and DSP+I/O board. Contains:...

[Page 15] Orban OPTIMOD-FM 5500

Index 1 19 K Ref control 2- · 9 5 5500 OPTIMOD-FM 1- · 1 8 8100A/ST 1- · 20 8100A1 1- · 20 8100AST 1- · 20 8100AXT2 1- · 20 8200ST 2- · 11 8400 comparison with 5500 3- · 71 importing 8400 presets 3- · 5, 71 A A/D co...

[Page 16] Orban OPTIMOD-FM 5500

B4>B5 coupling 3- · 8 B5 down expand 3- · 52 backing up presets 3- · 65 balance adjust 2- · 30 balanced inputs 2- · 6 output, simulates transformer 2- · 6 band coupling 3- · 52 base board removing 4- · 3 replacing 4- · ...

[Page 17] Orban OPTIMOD-FM 5500

compressor gate 3- · 31 computer connecting to 2- · 4 troubleshooting connections 5- · 7 Windows 2000 5- · 9 Windows XP 5- · 11 computer interface RS-232 2- · 4 serial 2- · 4 computer interface 1- · 12 connecting through Wi...

[Page 18] Orban OPTIMOD-FM 5500

F factory presets selecting 2- · 20 factory presets 1- · 7 factory service 5- · 14 final clip drive 3- · 36 Final clipper Defeating 2- · 30 Firewall 2- · 58, 63 Firmware updating 8500 2- · 90 five-band attack time controls ...

[Page 19] Orban OPTIMOD-FM 5500

analog, specifications 6- · 2 digital, specifications 6- · 2 meters 3- · 2 SCA, specifications 6- · 4 subcarrier 2- · 7 input level line-up 1- · 21 input meters 1- · 22 input selector I/O setup 2- · 28 input/output board re...

[Page 20] Orban OPTIMOD-FM 5500

composite 3- · 2 gain reduction 3- · 2 input 3- · 2 multiplex power 3 - · 2 studio 1- · 21 Mod Reduction control 2- · 50 modem setting up 2- · 51 specification for 2- · 56 Modem Preparing for connection 2- · 79 Recommende...

[Page 21] Orban OPTIMOD-FM 5500

recovering from lost 2- · 41 PC Orban installer program 2- · 57 PC board locator diagram 6- · 27 PC control security 1- · 26 PC hardware requirements 2- · 56 PC Remote aliases 3- · 69 moving alias folders 3- · 70 multiple coex...

[Page 22] Orban OPTIMOD-FM 5500

control 3- · 7 limit 3- · 28 rear panel 2- · 4 RECALL button 3- · 1 Recalling preset via terminal program 2- · 46 registration card 2- · 1 release fast 3- · 49 medium-fast 3- · 49 medium-slow 3- · 48 slow 3- · 48 remot...

[Page 23] Orban OPTIMOD-FM 5500

station ID setting 2- · 20 stereo encoder testing 4- · 12 Stereo encoder SSB/VSB Operation 3- · 9 stereo encoder 3- · 8 stereo encoder mode audio processing for 2- · 23 feature set 1- · 6 input/output 1- · 9 lowpass filter 2...

[Page 24] Orban OPTIMOD-FM 5500

Warranty 1- · 27 warranty 6- · 5 whistle on-air troubleshooting 5- · 4 window release control 3- · 32 window size control 3- · 32 Windows installing services 2- · 56 Windows 2000 adding direct serial connection 2- · 60, 64, 80...

[Page 25] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-1 Section 1 Introduction About this Manual The Adobe pdf form of this manual contains numerous hyperlinks and bookmarks. A reference to a numbered step or a page number (except in the Index) is ...

[Page 26] Orban OPTIMOD-FM 5500

1-2 INTRODUCTION ORBAN MODEL 5500 Take a little time now to familiarize yourself with OPTIMOD-FM. A small investment of your time now will yield large dividends in audio quality. The rest of Section 1 explains how OPTIMOD-FM fits into the F...

[Page 27] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-3 controls, each capable of driving 7in parallel with 47,000pF, (100ft/30m of coaxial cable).  The 5500 prevents aliasing distortion in subsequent stereo encoders or transmis- sion links by pro...

[Page 28] Orban OPTIMOD-FM 5500

1-4 INTRODUCTION ORBAN MODEL 5500  The 5500 precisely controls the audio bandwidth to 15 kHz. This prevents overshoots in uncompressed digital links operating at a 32 kHz-sample rate and prevents interference to the pilot tone and RDS (...

[Page 29] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-5 crossfade. Note: Switching to or from the Ultra-Low Latency Five-Band structure causes the audio to mute for about two seconds because the DSP code must be reloaded.  The 5500 can increase the dens...

[Page 30] Orban OPTIMOD-FM 5500

1-6 INTRODUCTION ORBAN MODEL 5500  OPTIMOD-FM contains a versatile real-time clock, which allows automation of various events (including recalling presets) at pre-programmed times. The clock can be set automatically from an Internet tim...

[Page 31] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-7  A dual-mode composite limiter is available. It can operate in either “Half- Cosine Interpolation” mode or conventional hard clipper mode. The “Half- Cosine” mode provides better separation and ...

[Page 32] Orban OPTIMOD-FM 5500

1-8 INTRODUCTION ORBAN MODEL 5500 when switching to and from a “UL” (ultra-low-latency) preset because this also re- quires DSP code to be reloaded. User Presets User Presets permit you to change a Factory Preset to suit your requiremen...

[Page 33] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-9 If OPTIMOD-FM is set to accept a digital input and the feed fails, OPTIMOD-FM will automatically switch back to the analog input. The digital input and output conform to the professional AES3 standard. The...

[Page 34] Orban OPTIMOD-FM 5500

1-10 INTRODUCTION ORBAN MODEL 5500 Stereo Analog Baseband Composite Output The stereo encoder has two unbalanced analog baseband outputs on two BNC con- nectors on the rear panel. Each output can be strapped for or 7source imp...

[Page 35] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-11  Switch the stereo encoder to stereo, mono from left, mono from right, or mono from sum audio input. This also determines the feed to the entire processing chain so that facilities that do not use the...

[Page 36] Orban OPTIMOD-FM 5500

1-12 INTRODUCTION ORBAN MODEL 5500 Computer Interface On the rear panel of the 5500 are an RS-232 serial port and an Ethernet port for in- terfacing to IBM-compatible PCs. These computer interfaces support remote control and metering, and a...

[Page 37] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-13 Location of OPTIMOD-FM Optimal Control of Peak Modulation Levels The audio processing circuitry in OPTIMOD-FM produces a signal that is pre- emphasized to either the 50s or 75s standard pre-emphasi...

[Page 38] Orban OPTIMOD-FM 5500

1-14 INTRODUCTION ORBAN MODEL 5500 Best Location for OPTIMOD-FM The best location for OPTIMOD-FM is as close as possible to the transmitter, so that its stereo encoder output can be connected to the transmitter through a circuit path that ...

[Page 39] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-15 cating OPTIMOD-FM at the transmitter site (where it can control peaks just prior to the transmitter’s RF exciter) is thus likely to maximize loudness. Because OPTIMOD-FM controls peaks, it is irrelevant...

[Page 40] Orban OPTIMOD-FM 5500

1-16 INTRODUCTION ORBAN MODEL 5500 emphasis network and the input low-pass filters in the encoder so that they cannot introduce spurious peaks. Because of their special design, OPTIMOD-FM’s pre- emphasis network and low-pass filters perfor...

[Page 41] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-17 mask quantization noise. This is also true of any lossy data reduction applied in the studio (such as hard disk digital delivery systems). For MPEG Layer 2 encoding, we recommend 384 kB/second or higher. ...

[Page 42] Orban OPTIMOD-FM 5500

1-18 INTRODUCTION ORBAN MODEL 5500 applied directly to the wideband input of the FM broadcast transmitter’s exciter. Thus, no stereo encoder is needed at the transmitter. In general, a composite microwave STL provides good audio quality, ...

[Page 43] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-19 Some microwave links can be modified so that the deviation from linear phase is less than + 10 from 20 Hz to 15 kHz and frequency response is less than 3 dB down at 0.15Hz and less than 0.1 dB down at ...

[Page 44] Orban OPTIMOD-FM 5500

1-20 INTRODUCTION ORBAN MODEL 5500 Using the Orban 8100AST (or 8100A/ST) External AGC with the 5500 If you have an OPTIMOD-FM 8100A1 (or 8100A or 8100A/1) installation that uses an Orban 8100AST (or 8100A/ST) external AGC at the studio to ...

[Page 45] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-21 the radio. OPTIMOD-FM’s multiband limiter performs an “automatic equalization” function that can radically change the frequency balance of the program. This can cause noise that would otherwise have...

[Page 46] Orban OPTIMOD-FM 5500

1-22 INTRODUCTION ORBAN MODEL 5500 For facilities using +4 dBu standard level, instantaneous peaks can reach +18 dBu or higher (particularly if the operator overdrives the console or desk). Older facilities with +8 dBu standard level and eq...

[Page 47] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-23 highest composite peak modulation level that the processing will produce, including the pilot tone, under any program, processing, or setup condition (except when the processing is switched to BYPASS, is...

[Page 48] Orban OPTIMOD-FM 5500

1-24 INTRODUCTION ORBAN MODEL 5500 Built-in Calibrated Line-up Tones To facilitate matching the output level of the 5500 to the transmission system that it is driving, the 5500 contains an adjustable test tone oscillator that produces sine ...

[Page 49] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-25 choacoustic “echo fusion” (Haas) threshold of approximately 20 ms and the talent starts to hear slap echo in addition to frequency response colorations. The normal delay through the 5500 is about 15 m...

[Page 50] Orban OPTIMOD-FM 5500

1-26 INTRODUCTION ORBAN MODEL 5500 B) Begin EAS broadcast. After the EAS broadcast, resume normal processing: C) Set the M ODE to OPERATE. This will restore the processing preset in use prior to the Test Mode. 3. Place the 5500 in Bypa...

[Page 51] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INTRODUCTION 1-27 LIMITED WARRANTY [Valid only for products purchased and used in the United States] Orban warrants Orban products against defects in material or workmanship for a period of five years from the date of ori...

[Page 52] Orban OPTIMOD-FM 5500

...

[Page 53] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-1 Section 2 Installation Installing the 5500 Allow about 2 hours for installation. Installation consists of: (1) unpacking and inspecting the 5500, (2) mounting the 5500 in a rack, (3) connecting...

[Page 54] Orban OPTIMOD-FM 5500

2-2 INSTALLATION ORBAN MODEL 5500 CONDUCTOR WIRE COLOR L N E LINE NEUTRAL EARTH GND BROWN BLUE GREEN-YELLOW BLACK WHITE GREEN NORMAL ALT PLUG FOR 115 VAC (USA) CONDUCTOR WIRE COLOR L N E LINE NEUTRAL EARTH GND BROWN BLUE GREEN-YELLOW PLUG FOR...

[Page 55] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-3 TOPIC PAGE Audio Input and Audio Output Connections.............................................2-5 AES3 Digital Input and Output ...................................................................2-7 Co...

[Page 56] Orban OPTIMOD-FM 5500

2-4 INSTALLATION ORBAN MODEL 5500 6. Connect tally outputs (optional) See the schematic on page 6-32. The 5500 supports two hardware tally outputs, which are NPN open-collector and operate with respect to pin 1 (common). Therefore, the v...

[Page 57] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-5 left, mono-right, mono-sum), selecting analog, digital or digital+J.17 input, over- shoot compensation, SCA modulation compensation, and clock synchronization. (See Remote Control Interface Programming on ...

[Page 58] Orban OPTIMOD-FM 5500

2-6 INSTALLATION ORBAN MODEL 5500 any studio-wiring standard: If pin 2 or 3 is considered LOW, the other pin is automatically HIGH. Analog Audio Input  Nominal input level between –14 dBu and +8 dBu will result in normal operation o...

[Page 59] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-7  Use two-conductor foil-shielded cable (Belden 8451, or equivalent).  At the 5500’s output (and at the output of other equipment in the system), do not connect the cable’s shield to the CHASSI...

[Page 60] Orban OPTIMOD-FM 5500

2-8 INSTALLATION ORBAN MODEL 5500 The output impedance of composite 1 output and composite 2 output can be set to 0 or 75 via jumpers J7 and J8 respectively (located on the Composite/SCA daugh- terboard). As shipped, the link is on pin...

[Page 61] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-9 always be set to GROUND. Even when its composite limiter is being used heavily, the 5500 will al- ways protect the stereo pilot tone by at least 60 dB (250Hz from 19 kHz) and will protect the region fr...

[Page 62] Orban OPTIMOD-FM 5500

2-10 INSTALLATION ORBAN MODEL 5500 To permit daisy-chaining sync signals, the input impedance is greater than 1 K. If the 5500 is the last device driven by the sync coaxial cable, you should terminate it by using a BNC Tee connector and ...

[Page 63] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-11 Circuit Ground To maintain the same potential in all equipment, the circuit (audio) grounds must be connected together:  When the 5518’s stereo encoder is driving an unbalanced exciter input, you ...

[Page 64] Orban OPTIMOD-FM 5500

2-12 INSTALLATION ORBAN MODEL 5500 Refer to Figure 2-4 on page 2-13. B) Place jumper JA in the C LIPPER ON position. C) If you have defeated the STL transmitter’s pre-emphasis, place jumpers JE and JF in the P RE-EMPHASIZED position. ...

[Page 65] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-13 JFJE JAJB JC TOP OF MAIN BOARD JA JA * CLIPPER ON CLIPPER OFF JE JF LEFT OUTPUT RIGHT OUTPUT JE JF LEFT OUTPUT RIGHT OUTPUT * FLAT PRE-EMPHASIZED JB JC LEFT OUTPUT RIGHT OUTPUT JB JC LEFT OUTPUT RIG...

[Page 66] Orban OPTIMOD-FM 5500

2-14 INSTALLATION ORBAN MODEL 5500 A) Turn off the tone by pressing the T ONE button. B) Set controls as follows: HF LIMITER... Set to match the pre-emphasis of the transmission system L&R Out ............................................

[Page 67] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-15 1. Press the front-panel Setup button. 2. Press the Quick Setup soft button when its label appears on the display. Quick Setup presents a guided sequence of screens into which you must insert in- forma...

[Page 68] Orban OPTIMOD-FM 5500

2-16 INSTALLATION ORBAN MODEL 5500 G) Turn the knob to specify the week of the month when Standard Time begins. 6. Set pre-emphasis. A) Press the Next button. B) Select the pre-emphasis (either 75S or 50S) used in your country by...

[Page 69] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-17 are separate settings for the analog and digital inputs. If you provide both ana- log and digital inputs to the 5500, optimum adjustment is achieved when the gain reduction meters show the same amount of ...

[Page 70] Orban OPTIMOD-FM 5500

2-18 INSTALLATION ORBAN MODEL 5500 If you are sending the analog output of the 5500 through a digital link that uses lossy compression (like MPEG, APT-X, or Dolby), set the output F LAT. Lossy codecs cannot handle pre-emphasized signals. 1...

[Page 71] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-19 15. Set the composite output level. [Skip this step if you will not be using the composite output(s).] A) Observe the modulation produced by the 5500’s C OMPOSITE OUTPUT 1 on a modulation monitor o...

[Page 72] Orban OPTIMOD-FM 5500

2-20 INSTALLATION ORBAN MODEL 5500 You have now completed the guided Quick Setup procedure and are in the normal Recall PRESET screen. However, if your country requires you to comply with the multiplex power ceiling specified in ITU-R BS4...

[Page 73] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-21 20. Activate the 5500’s ITU-R BS412-9 multiplex power controller (optional). [Skip this step if ITU-R BS412 is not enforced in your country. At the time of this writing, it is only enforced in certain...

[Page 74] Orban OPTIMOD-FM 5500

2-22 INSTALLATION ORBAN MODEL 5500 B) Hold down the appropriate M OD. REDUCTION button and turn the knob to set the amount of modulation reduction produced by the M OD. REDUCTION 1 and M OD. REDUCTION 2 functions. You can program these to...

[Page 75] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-23 2. Turn the 5500’s ITU-412 MPX power controller off. When on, it causes gain reduction that makes it impossible to set the AI and DI reference level controls correctly with test tones. See step 20 on ...

[Page 76] Orban OPTIMOD-FM 5500

2-24 INSTALLATION ORBAN MODEL 5500  Choose N O if the input signal has already been pre-emphasized. In step 6 in Quick Setup (page 2-16), make sure that you have set the 5500’s preemphasis to match the preemphasis of the input signal....

[Page 77] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-25 All digital Optimod-FM processors have a built-in tone oscillator that can generate this tone. Set the modulation in the Optimod’s tone generator to 100%. Tone alignment does not account for any overs...

[Page 78] Orban OPTIMOD-FM 5500

2-26 INSTALLATION ORBAN MODEL 5500 When operating as a hard clipper, the composite limiter will produce maximum brightness in the frequency range from 5 to 15 kHz because, unlike left/right audio-domain clippers, it can produce square waves...

[Page 79] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-27 If silence is detected at the analog input as well as the digital input (as in the case of a studio operational fault), automatic switching will not oc- cur. When an active signal is restored to the digi...

[Page 80] Orban OPTIMOD-FM 5500

2-28 INSTALLATION ORBAN MODEL 5500 able. When the chip detects such an error, it automatically switches the in- put to A NALOG.  Sync Reference Input Error: Indicates that the 5500 has detected a prob- lem with the signal being received ...

[Page 81] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-29 The 5500 will automatically switch to analog input if signal lock is un- available at the AES3 input. 3. Adjust Analog Input Reference Level. [  9 dBu to +13 dBu (VU), or –1 to +21 dBu (PPM)] in 0...

[Page 82] Orban OPTIMOD-FM 5500

2-30 INSTALLATION ORBAN MODEL 5500 [Skip this step if you are using Tone to calibrate the 5500 to your stan- dard studio level — see step (D) above.] a) Verify E XT AGC is set to NO. Refer to step 1 on page 2-28. b) Feed normal program m...

[Page 83] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-31 5500’s final clipper to prevent double clipping, which will unnecessarily increase distortion on-air. To do this: A) Navigate to the Setup > F INAL CLIP. If FINAL CLIP does not appear, repeatedly ...

[Page 84] Orban OPTIMOD-FM 5500

2-32 INSTALLATION ORBAN MODEL 5500 G) Press the Next button. Be sure that MODE is set to STEREO and XTALK TEST is set to O PERATE. Reset these parameters if necessary. H) Using the C OMP1 LV and COMP2 LVL controls, adjust the level for eac...

[Page 85] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-33 FM: This produces a fully peak-controlled output suitable for driving a transmitter. FM+Delay: This produces a fully peak-controlled output suitable for driv- ing a transmitter. Up to 16 seconds of diver...

[Page 86] Orban OPTIMOD-FM 5500

2-34 INSTALLATION ORBAN MODEL 5500 This will cause the monitor to ignore very low energy overshoots and will result in the highest peak modulation permitted by law. In other countries, use a peak-indicating instrument as specified by the r...

[Page 87] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-35 E) Press Next. Then set the DO SYNC. You can choose PILOT SYNC (the DSP clock frequency reference as deter- mined by the P ILOT SYNC control) or DIG IN (the output sample rate is syn- chronized to the s...

[Page 88] Orban OPTIMOD-FM 5500

2-36 INSTALLATION ORBAN MODEL 5500 11. Select a processing preset. See step 18 on page 2-20. Automation Using the 5500’s Internal Clock 1. If you have not already done so, set the system clock. [You can also set the clock automatica...

[Page 89] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-37 3. To add an automation event: A) Push the A DD EVENT button. B) Choose whether you wish to program an event that occurs only once or an event that follows a daily or weekly schedule. C) For events ...

[Page 90] Orban OPTIMOD-FM 5500

2-38 INSTALLATION ORBAN MODEL 5500  Independently activate and defeat the diversity delay applied to the analog, digital, and composite outputs.  exit test (restores the operating preset that was on-air before a test mode was invok...

[Page 91] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-39 The 5500 has several levels of security to prevent unauthorized people from chang- ing its programming or operating state. Security controls access to the front panel and to anyone connecting to the 5500 ...

[Page 92] Orban OPTIMOD-FM 5500

2-40 INSTALLATION ORBAN MODEL 5500 If you wish to discard the passcode you just entered, press the ESC button instead. Then return to step (B). D) The PERMISSIONS screen appears. Turn the knob to choose the permission level for the passcod...

[Page 93] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-41 If the front panel is already password protected, you can only access this screen by entering a passcode with A LL ACCESS privileges. B) Hold down the AUTOLOCK soft button and turn the knob to set the ...

[Page 94] Orban OPTIMOD-FM 5500

2-42 INSTALLATION ORBAN MODEL 5500 D) Reprogram passcodes as necessary; see To Create a Passcode on page 2-39. The RESTORE DEFAULTS button (in the Restore Defaults screen) restores all System Setup and Input/Output parameters to their fact...

[Page 95] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-43 If the TERMINAL PORT soft button is not visible, press the Next/Prev but- tons until it is. a) Use the Next and Prev keys to move the cursor in turn to each digit in the terminal port number. Use the ...

[Page 96] Orban OPTIMOD-FM 5500

2-44 INSTALLATION ORBAN MODEL 5500 F) Name and save the Session if you wish. G) Click O PEN. H) Activate the C APS LOCK on your computer to ensure that you type in upper- case. You can now perform the operations described in steps 1 thro...

[Page 97] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-45 The file “5500_P2_Rock-Open.cmd” contains: plink -raw -P 23 123.45.67.89 < 5500_P2_ROCK-OPEN.txt The file “5500_P2_Rock-Open.txt” contains RP ROCK-OPEN [PASSWORD] disconnect Auto...

[Page 98] Orban OPTIMOD-FM 5500

2-46 INSTALLATION ORBAN MODEL 5500 Available Commands 1. To recall a preset: Command Response RP XXXXXXX[PASSCODE] (valid passcode and preset name) ON AIR: XXXXXXX (invalid passcode) [no error message is issued] In the abov...

[Page 99] Orban OPTIMOD-FM 5500

OPTIMOD-FM DIGITAL INSTALLATION 2-47 3. To set the analog diversity delay: Command Response TR X.XXXXXXXXX[PASSCODE] (valid passcode and argument) DELAY: X.XXXXXXXXX (invalid passcode) [no error message is issued] In the above ta...

[Page 100] Orban OPTIMOD-FM 5500

2-48 INSTALLATION ORBAN MODEL 5500  ? returns the active input setting.  If a non-existent control value and/or an invalid passcode is entered, the 5500 will ignore the command. 5. To fetch real-time operational status information...