HP 8920A - The NAMPS-NTACS Voice Channel Decoder

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Chapter 8, Signaling Decoder Screen

AMPS-TACS, NAMPS-NTACS Decoder

Figure 70 The NAMPS-NTACS Voice Channel Decoder

AF Anl In

Audio frequency analyzer input selects the source of the signal to be analyzed.

Operating Considerations

This is a priority control field. Accessing the RX TEST or TX TEST screen

overrides any changes made to this field in this screen.

Arm Meas

Arm measurement prepares the decoder to be triggered by an incoming signal.

Channel

This field selects the type of data to decode: Reverse Control Channel (Cntl), or

Reverse Voice Channel (

Voice).

nmps-de1.wmf

Main Page

Notice2
Safety Symbols4
Safety4
Safety Earth Ground4
General4
Safety Considerations for this Instrument5
Hewett-Packard Warranty Statement for Commercial Products7
Contents13
Table of Contents15
Before Connecting a Radio40
Connecting a Radio to the Test Set40
List of Screens41
Accessing the Test Set’s Screens41
Accessing Screens42
Changing a Field’s Setting43
Different Types of Fields43
Unit-Of-Measure Field44
Underlined Immediate-Action Field44
To Change an Underlined Entry44
To Change a Unit-Of-Measure44
To Change a Value45
To Make a One-Of-Many Choice45
Numeric-Entry Field45
One-Of-Many Field45
How Do I Verify that the Test Set Is Operating Properly?46
Instrument Quick Check46
Instrument Functional Diagram47
Configuring Your Test Set49
General Operating Information50
To Set Screen Intensity50
To Set RF Voltage Interpretation (50 /Emf)50
To Set the Date and Time50
To Change the Beeper Volume51
To Verify or Change the Low-Battery Setting51
Operating Overview53
Example of How Global Fields Work54
Interaction between Screens54
- Priority RX TEST and TX TEST Fields55
- Example of How Priority Fields Work56
- Where to Access Measurements57
Displaying Measurements57
- Transmitter Frequency Error58
- Transmitter Power58
- Transmitter Frequency58
- Displaying RF Measurements58
- Displaying AF Measurements59
- FM Deviation, am Depth, AC Level59
- AF Measurements Selected by AF Analyzer Input Setting59
- SINAD, Distortion, SNR, AF Frequency, DC Level, DC Current60
- AF Power60
- To Change the Measurement’s Unit-Of-Measure61
- To Use the Analog METER Format62
- To Make Beat Frequency Measurements62
- Decimal Values63
Entering and Changing Numbers63
- Hexadecimal Values64
- Entering the Unit-Of-Measure for Settings64
- Changing the Unit-Of-Measure for Settings64
- To Enter and Change the Unit-Of-Measure64
- To Change the Increment or Decrement Setting65
- Using the Pre-Defined Increment/Decrement Keys65
- Specifying an Increment Value65
- Example of Setting an Increment Value65
- To Print a Screen’s Contents66
Printing a Screen66
To Set a HI And/Or lo LIMIT67
Using Measurement Limit Indicators67
- To Reset or Remove Limits68
- To Remove a Limit68
- Example of Setting HI and lo Limits68
- To Reset a Limit that Has Been Exceeded68
- To Use Measurement Averaging69
- Example of Using Measurement Averaging69
Averaging Measurements69
- To Use the Present Value as a Reference70
- To Set a Specific Reference70
Setting a Measurement Reference70
Memory Card Part Numbers71
Using Memory Cards71
- Inserting and Removing Memory Cards72
- Inserting a Memory Card72
- Setting the Write-Protect Switch73
- Setting the SRAM Write-Protect Switch73
- The Memory Card Battery74
- Replacing the Battery74
- Replacing the Memory Card’s Battery74
- Memory Card Initialization75
- To Recall an Instrument Setup76
- To Save an Instrument Setup76
Saving and Recalling Instrument Setups76
- Example of Saving and Recalling an Instrument Setup77
- To Remove (Clear) an Individual Save Register77
- To Clear All Save Registers78
- Register Names78
- POWERON Settings78
- BASE Settings79
- Memory Considerations79
- Instrument Hardware Changes79
Using USER Keys80
- An Example of Pre-Assigned Local User Keys81
- To Use the Pre-Assigned Local USER Keys81
- To Assign Local USER Keys82
- To Release Local USER Keys82
- Example of Assigning a Local USER Key82
- To Assign Global USER Keys83
- To Release Global USER Keys83
- Example of Assigning a Global USER Key83
- To Set an RF Offset84
- Example of Setting an RF Offset84
Setting an RF Generator/Analyzer Offset84
- Running IBASIC Programs from Memory Cards85
- Using HP-IB Control85
Using Remote Control85
- Equivalent Front-Panel Control Characters86
- To Configure for Serial Port Operation86
- Using an ASCII Terminal86
- Adjacent Channel Power Screen89
- How the Test Set Measures Adjacent Channel Power (ACP)90
- ACP Meas91
- Field Descriptions91
- Operating Considerations91
- The Adjacent Channel Power Screen91
- Afgen1 Freq92
- Afgen1 to92
- Carrier Ref92
- Channel BW92
- Relationship between Tune Freq, Ch Offset, and Channel BW Fields93
- Ch Offset94
- Ext TX Key94
- Input Atten94
- Input Port95
- Lower and Upper ACP [Ratio:level]95
- Res BW96
- Tune Freq96
- Tune Mode96
- TX Freq Error/Tx Frequency97
- TX Power97
- TX Pwr Zero97
- AF Analyzer Screen99
- AF ANALYZER Functional Block Diagram100
- Block Diagram100
- AC Level101
- AF Anl in101
- AF Cnt Gate102
- AF Freq102
- AM Depth103
- Audio in lo103
- Current103
- DC Current103
- DC Level104
- De-Emp Gain104
- De-Emphasis104
- Distn104
- Detector105
- Detector Types105
- Ext Load R106
- Filter 1 and Filter 2106
- FM Deviation106
- Gain Cntl107
- Input Gain107
- Notch Freq108
- Notch Gain108
- Pk Det to108
- Scope to109
- Settling109
- Sinad110
- Snr110
- SNR Operation110
- Speaker ALC111
- Speaker Vol111
- TX Freq Error/ TX Frequency111
- Call Processing Subsystem113
- Description of the Call Processing Subsystem114
  - Operational Overview115
  - Call Processing State Diagram116
  - Accessing the Call Processing Subsystem’s Screens117
  - Call Processing Subsystem’s Screens117
  - Connecting a Mobile Station118
- Using the Call Processing Subsystem118
  - Connecting a Mobile Station to the Test Set119
  - 600 Ohm Impedance120
  - Mobile Station Audio out Impedance120
  - Generalized Procedures Using the Call Processing Subsystem121
- The CALL CONTROL Screen122
  - Access123
  - Active123
  - Amplitude124
  - Called Number124
  - CC Order125
  - Ch Loc125
  - Chan125
  - Cntl Channel126
  - Connect126
  - Display127
  - CALL CONTROL Screen with Decoding Error Message Display128
  - AMPS CALL CONTROL Screen with Meas Selected129
  - Dsat130
  - NAMPS CALL CONTROL Screen with Meas Selected130
  - DSAT/DST (Hex)131
  - ESN (Dec)131
  - ESN (Hex)131
  - Handoff132
  - MS ID132
  - Order134
  - Pwr Lvl134
  - Phone Num135
  - Register135
  - Release135
  - Sat136
  - Scm136
  - Sid136
  - System Type136
  - TX Freq Error137
  - VC Order139
- Using the CALL CONTROL Screen to Test Call Processing Functions140
- Conditioning the Test Set for Call Processing141
- Configure the Test Set142
- Turn on the Test Set’s Control Channel143
- Register a Mobile Station144
- Page a Mobile Station145
- Paging a Mobile Station that Has Not Registered with the Test Set146
- Handoff a Mobile Station to a New Voice Channel147
- Release a Mobile Station147
- Change the Transmit Power Level of a Mobile Station148
- Originate a Call from a Mobile Station149
- Send an Alert Order to a Mobile Station150
- Using the CALL CONTROL Screen to Test AMPS Authentication151
  - Condition the Test Set for Call Processing152
  - Initialize Call Processing with Authentication154
  - Initializing Authentication Without Registration155
  - Page a Mobile Station with Authentication156
  - Paging a Mobile Station that Has Registered with the Test Set156
  - Originate a Call with Authentication157
  - Perform an SSD Update158
  - Performing an SSD Update on the Control Channel158
  - Performing an SSD Update on the Voice Channel159
  - Perform a Unique Challenge160
  - Performing a Unique Challenge on the Control Channel160
  - Performing a Unique Challenge on the Voice Channel161
- AUTHENTICATION Screen162
  - Authent163
  - A_Key163
  - Esn163
  - Rand_A163
  - Randssd_1164
  - Randssd_2164
  - Randssd_3164
  - Rand_U164
- CALL DATA Screen165
  - NRVC Ord - Narrow Order or Order Confirmation Message166
  - Rvcordcon - Reverse Voice Channel Order Confirmation Message166
  - Display Word167
- CALL DATA Screen Message Field Descriptions170
  - Nawc170
  - RECCW a Message Fields170
  - RECCW B Message Fields172
  - RECCW C Message Fields174
  - RECCW D Message Fields175
  - RECCW E Message Fields176
  - Rvcordcon Message Fields177
  - Bschalord Message Fields178
  - Ordq178
  - Parity178
  - Rsvd178
  - Authword Message Fields179
  - Count179
  - Randbs179
  - Authr180
  - Uniqchcon Message Fields180
  - Rvcord Message Fields181
  - Rvcbschal Message Fields182
  - NRVC Ord Message Fields183
- Using the CALL DATA Screen186
  - To View the Decoded Reverse Channel Words from a Mobile Station Page187
  - To View the Decoded Reverse Channel Words from Mobile Station Handoff189
  - To View the Decoded Reverse Channel Words from Mobile Station Release191
  - To View the Reverse Channel Words from a Mobile Station Origination193
- CALL BIT Screen194
  - FVC O Mes - FVC Mobile Station Control Order Message196
  - Message Contents that Can be Modified Using the CALL BIT Screen196
  - Data Spec198
- CALL BIT Screen Message Field Descriptions201
  - SPC WORD1 Message Fields201
  - DCC202
  - SPC WORD2 Message Fields202
  - T1T2202
  - ACCESS Message Fields204
  - REG INC Message Fields206
  - REG ID Message Fields208
  - C-FILMESS Message Fields210
  - MS WORD1 Message Fields212
  - Msmessord Message Fields213
  - MS Intvch Message Fields214
  - FVC O Mes Message Fields215
  - FVC V Mes Message Fields217
  - Randchala Message Fields219
  - Randchalb Message Fields220
  - RAND SSD1 Message Fields221
  - RAND SSD2 Message Fields222
  - RAND SSD3 Message Fields223
  - Bschalcon Message Fields224
  - Uniqchord Message Fields225
  - FVC SSD1 Message Fields226
  - FVC SSD2 Message Fields227
  - FVC SSD3 Message Fields228
  - Fvcbscon Message Fields229
  - Fvcuniqch Message Fields230
  - EXT PROT Message Fields231
  - NCH ASN Message Fields232
  - NMS FVC Message Fields233
  - WNHO MESS Message Fields235
  - NHO MES Message Fields236
  - Selecting the Message Content Generation Method239
- Using the CALL BIT Screen239
  - System Operation When Data Spec Field Set to Std240
  - System Operation When Data Spec Field Set to Bits241
  - Changing the Content of a Message Field242
  - Typical Example243
- ANALOG MEAS Screen244
- Using the ANALOG MEAS Screen247
  - To Make an RF Sensitivity Measurement248
  - To Make an FM Hum and Noise Measurement249
- CALL CONFIGURE Screen250
  - Configure Screen253
  - Antenna in255
  - Base Freq (User Defined)255
  - Beeper257
  - Chan Space257
  - Date258
  - Duplex out258
  - Firmware258
  - Low Battery260
  - Notch Coupl260
  - Range Hold260
  - RF Chan Std262
  - RF Display263
  - RF Gen Volts264
  - RF In/Out264
  - RF Level Offset265
  - RF Offset265
  - RX/TX Cntl266
  - Time267
  - Total RAM267
- Signaling Decoder Screen269
- Decoder Frequency Measurements270
- Field Descriptions for Decoder Modes270
- The Decoder’s Signal Source270
- AMPS-TACS, NAMPS-NTACS Decoder271
  - Decoder Mode Differences271
  - The NAMPS-NTACS Voice Channel Decoder272
  - Gate Time273
  - Input Level273
  - Num of Bits274
  - Polarity274
  - RECC Data (NAMPS-NTACS: RECC)274
  - Single/Cont275
  - Stop Meas275
  - Trig Level275
  - Trigger Pattern (Bin)275
  - Decoding the Reverse Control Channel (RECC) Data276
  - Interaction with the Encoder276
- Using the AMPS/TACS, NAMPS/NTACS Decoder276
  - Decoding AMPS-TACS Reverse Voice Channel (RVC) Data277
  - Decoding NAMPS-NTACS Reverse Voice Channel (RVC) Data277
  - Interpreting Decoded Data278
  - NAMPS-NTACS Reverse Voice Channel Measurements279
- Continuous Digital Controlled Squelch System Decoder280
  - The CDCSS Sequence Decoder Screen280
  - Arm Meas281
  - Code (Oct)281
  - Data (Bin)281
  - Data Rate281
  - AF Analyzer Settings284
- Using the CDCSS Decoder284
- Digital Paging Decoder285
- The Digital Paging Decoder Screen285
- Dual-Tone Multi-Frequency (DTMF) Decoder289
  - The DTMF Decoder Screen289
  - Measurement Limits294
- Using the DTMF Decoder294
- EDACS Decoder295
  - The EDACS Trunked Radio Decoder Screen295
  - EDACS Transmitter Testing298
  - Preset the Test Set298
  - Transmitter Test Procedure298
- Using the EDACS Decoder298
  - Define the Control Channel Settings299
  - Prepare the Decoder for Transmitter Measurements299
  - Make Basic Transmitter Measurements300
  - Making Other Transmitter Measurements300
- Function Generator Decoder301
  - The Function Generator Decoder Screen301
  - Decoding Considerations304
- Using the Function Generator Decoder304
- LTR Decoder305
  - The LTR Trunked Radio Decoder Screen305
  - Decoding Mobile Radio Signaling Data309
- Using the LTR Decoder309
  - Decoding Repeater Signaling Data310
  - If no Decoded Data Is Displayed310
- MPT 1327 Decoder311
  - The MPT 1327 Decoder Screen311
  - Decoder Triggering312
  - Manually Decoding MPT 1327 Signals312
  - Triggering the MPT 1327 Decoder313
  - Detecting and Querying Messages314
- NMT Decoder316
  - The NMT Decoder Screen317
  - Frame Log318
  - Type318
  - Load Test319
  - Run Test320
  - Standard320
  - Fields Used with Different Standards321
  - General Encoder Operation321
  - Testing a BS or MTX321
- Using the NMT Decoder/Encoder321
  - General Decoder Operation322
  - Manual Testing of NMT Radios323
  - Automated NMT Radio Tests324
  - Required Test Set Settings324
  - RF Analyzer Settings324
  - RF Generator Settings324
  - Special Frame Suffixes325
- Creating NMT Tests326
  - Entering Tests into the Decoder’s RAM327
  - Using Direct Command Entry328
  - Programming Using an External Computer329
  - Copying Programs to Mass Storage330
  - Downloading a Program into IBASIC Controller RAM330
  - Downloading Programs330
  - Begin331
  - End331
  - EXIT N331
  - Program Command Syntax331
  - GOTO L332
  - RCHAN C332
  - TCHAN C332
  - IF F L333
  - SEND F333
  - SEND F N333
  - Valid Channel Assignments333
  - Clear334
  - REPEAT N L334
  - SET N M334
  - WAIT N334
  - The Tone Sequence Decoder Screen335
- Tone Sequence Decoder335
  - Freq336
  - Freq Error336
  - Duplex Test Screen339
  - DUPLEX TEST Functional Block Diagram340
  - The Duplex Test Screen341
  - Atten Hold345
  - Audio out346
  - IF Filter349
  - Output Port350
- Signaling Encoder (AF Generator 2)353
- Field Descriptions for Encoder Modes354
- AMPS-TACS NAMPS-NTACS Encoder355
  - AMPS-TACS/NAMPS-NTACS Mode Forward Control Channel (FOCC)355
  - Control and Voice Channel Identifiers355
  - AMPS-TACS Mode Forward Voice Channel (FVC)356
  - NAMPS-NTACS Mode Forward Voice Channel (FVC)356
  - B/I Delay (FOCC)357
  - Bursts357
  - Busy/Idle (FOCC)357
  - Dsat (Fvc)358
  - AMPS-TACS/NAMPS-NTACS FOCC Message and Filler Data Format359
  - Filler (FOCC)359
  - FM Coupling360
  - Message (FOCC)361
  - AMPS-TACS FVC Message Data Output Format362
  - Message (FVC)362
  - NAMPS-NTACS FVC Message Data Output Format363
  - Message/Dst (FVC)364
  - SAT Freq (FVC)365
  - SAT Level (FVC: AMPS-TACS)365
  - Send DSAT (FVC)365
  - Send Filler (FOCC)365
  - Automated Test Software367
  - Encoder/Decoder Interaction367
- Using the AMPS-TACS, NAMPS-NTACS Encoder367
- CDCSS Encoder368
  - The CDCSS Encoder Mode Screen368
  - Afgen2 to369
  - CDCSS Data Stream Bit Assignments372
  - The CDCSS Data Stream372
- Using the CDCSS Encoder372
- Digital Paging Encoder373
  - The Digital Paging Encoder Mode Screen373
  - Mssg Length375
  - Pager Alpha-Numeric Message376
  - Pager Numeric Message376
  - Send Mode377
- DTMF Sequence Encoder378
  - The DTMF Sequence Encoder Mode Screen378
  - Pre-Emp380
  - Symbol Frequencies (Hz)380
  - Examples of Twist and Pre-Emphasis Interaction381
  - Twist381
  - Twist and Pre-Emphasis Interaction381
- EDACS Encoder382
  - The EDACS Trunked Radio Encoder Mode Screen382
  - Logical ID385
  - Signaling Dev386
  - Site ID386
  - Sub-Audible Dev387
  - Working Channel, Number387
  - Working Channel: RX Frequency387
- Using the EDACS Encoder388
  - Testing EDACS Mobiles389
  - Testing the Mobile’s Receiver389
  - Testing the Mobile’s Transmitter389
  - Connect the Mobile to the Test Set390
  - Mobile Receiver Test Procedure390
  - Get the Mobile up on the Control Channel391
  - Make Receiver Measurements392
- Function Generator Encoder393
  - The Function Generator Encoder Screen393
  - Afgen2 Freq394
  - Waveform395
- LTR Encoder396
  - The LTR Trunked Radio Encoder Mode Screen396
  - How Message 1 and Message 2 Fields Are Used to Create Trunking Data400
- Using the LTR Encoder400
  - Radio Test Examples401
  - To Test Your Receiver401
  - To Make a 12 Db SINAD Measurement402
  - To Test Your Transmitter402
  - Performing Channel Changes403
  - Address Qualifier404
- MPT 1327 Encoder404
  - The MPT 1327 Trunked Radio Encoder Mode Screen404
  - Aloha Number405
  - Aloha Number Encoding for 4-Bit Aloha Numbers405
  - Control Channel406
  - Test Mode406
  - Delay Parameter for Repeat Transmissions407
  - Delay Parameter to Actual Response Delay407
  - Traffic Channel407
  - Undisplayed Controls407
  - Forward Control Channel Message and Filler Buffers408
  - Sequence of Events in Assembling a Signaling Message410
  - Encoder:mpt1327:Filler:clear N411
  - Encoder:mpt1327:Filler:update411
  - Forward Control Channel in Control Mode and Not Sending411
  - Encoder:mpt1327:Message:control:data N,String412
  - Encoder:send412
  - Encoder:stop412
  - Forward Control Channel in Control Mode and Sending413
  - Control and Traffic Channel Message Structures414
  - Traffic Channel Message Generation414
  - Forward Control Channel Message Structure415
  - Traffic Channel Message Structure415
  - Signaling Mode Transitions Table416
  - Manually Testing MPT 1327 Radios417
  - Using Automated Test Software417
- Using the MPT 1327 Encoder417
  - Radio Unit under Test418
  - System Identity418
  - Simulated Calling Unit419
- Nordic Mobile Telephone (NMT) Encoder420
  - The NMT Encoder Screen420
  - Access Channel Number421
  - Access Channel Power421
  - Add Info421
  - Audio Frequency Generator 2 to Contains Two Fields422
  - NMT Additional Information Bits422
  - Alarm Level High423
  - Alarm Level Low423
  - Batt Save424
  - BS Identity424
  - Calling Channel Number425
  - Calling Channel Power425
  - Dut426
  - Meas Ch #426
  - Meas Field Strength427
  - Mgmt/Maint427
  - Msn427
  - Phi Signal427
  - Password428
  - SIS Challenge428
  - SIS Response428
  - Tci429
  - Traffic Area - Alt429
  - Traffic Area - Main430
  - Traffic Channel (Alt) Number430
  - Traffic Channel (Alt) Power430
  - Traffic Channel (Main) Number431
  - Traffic Channel (Main) Power431
  - The Tone Sequence Encoder Mode Screen432
- Tone Sequence Encoder432
  - Symbol Definition434
  - Symbol Sequence434
  - Help Screen435
  - I/O Configure Screen437
  - Data Length439
  - HP-IB Adrs439
  - IBASIC Echo439
  - Inst Echo439
  - Save/Recall441
  - Serial Baud441
  - Serial in442
  - Stop Length442
  - Xmt Pace442
  - Message Screen443
  - Oscilloscope Screen445
  - The Oscilloscope Screen and Menus446
  - Oscilloscope Main Functions447
  - Oscilloscope Main Menu Fields447
  - How the Oscilloscope Displays Measurements448
  - Oscilloscope Marker Menu Fields448
  - Marker Measurements449
  - Reading Measurement Results at the Oscilloscope’s Markers449
  - Oscilloscope Trigger Menu Fields450
  - Oscilloscope Triggering450
  - Cont/Single451
  - Level (DIV)451
  - Pre-Trig451
  - Oscilloscope Input Indicator452
  - Selecting the Oscilloscope’s Input452
  - Using the Oscilloscope452
  - Using the Scope to Field452
  - Print Configure Screen453
  - The Printer Configurations Screen454
- Radio Interface Screen457
- Data I/O458
- Radio Interface Functional Description458
  - Audio Analyzer459
  - Audio Source459
  - External Transmitter Key Relay459
  - Interrupt Capability459
- Field Descriptions460
  - The Radio Interface Screen460
  - Programmer’ Guide461
  - I/O Config462
  - Output Data462
  - Parallel Data in462
  - Strobe Pol462
  - Setting the Radio Interface’s Logic Level463
- Using the Radio Interface (Manual Operation)463
  - Inputting Data465
  - Outputting Data466
  - Using Interrupts468
  - HP-IB Command Summary469
  - Inputting Data over HP-IB469
- Using the Radio Interface (Remote Operation)469
  - Outputting Data over HP-IB470
  - Using Interrupts over HP-IB470
  - RF Analyzer Screen471
  - RF ANALYZER Functional Block Diagram472
  - The RF Analyzer Screen473
  - RF Cnt Gate477
  - Sensitivity477
  - Squelch477
  - RF Generator Screen483
  - RF GENERATOR Functional Block Diagram484
  - The RF Generator Screen485
  - Mod in to489
  - RF Gen Freq489
  - RX Test Screen493
  - The RX Test Fields and Their Functions494
  - The RX Test Screen495
  - Service Screen501
  - Counter Connection502
  - Frequency502
  - RAM Initialize503
  - Spectrum Analyzer Screen505
  - The Spectrum Analyzer Screen and Menus506
  - Spectrum Analyzer Main Functions507
  - Spectrum Analyzer Main Menu Fields507
  - RF In/Ant508
  - RF Generator Menu Fields, Fixed Operation509
  - RF Generator Menu Fields, Tracking Operation511
  - Using the Spectrum Analyzer with the Tracking Generator511
  - Offset Freq512
  - Port/Sweep512
  - Spectrum Analyzer Marker Menu Fields513
  - Reading Measurement Results at the Spectrum Analyzer’s Markers514
  - Spectrum Analyzer Auxiliary Functions515
  - Spectrum Analyzer Auxiliary Menu Fields515
  - No Pk/Avg517
  - Automatic Calibration518
  - Relationship between Span, Resolution Bandwidth, and Sweep Rate518
  - Setting Resolution Bandwidth and Sweep Rate518
  - Using the Spectrum Analyzer518
- Tests Screen519
- Description of the Tests Subsystem520
- Tests Subsystem Screens521
- TESTS (Main Menu)522
  - The TESTS (Main Menu) Screen522
  - IBASIC IBASIC Cntrl523
  - Proc Save/Delete Procedure524
- TESTS (Channel Information)525
  - The TESTS (Channel Information) Screen525
  - Delete Ch526
  - Insert Ch526
  - Main Menu526
  - Print All526
- TESTS (Test Parameters)527
- The TESTS (Test Parameters) Screen527
- TESTS (Order of Tests)528
  - The TESTS (Order of Tests) Screen528
  - Delet Stp529
  - Insrt Stp529
- TESTS (Pass/Fail Limits)530
- The TESTS (Pass/Fail Limits) Screen530
- TESTS (Save/Delete Procedure)532
  - The TESTS (Save/Delete Procedure) Screen532
  - Code Location533
  - Enter Procedure Filename533
  - Select Procedure Location534
- TESTS (Execution Conditions)535
  - The TESTS (Execution Conditions) Screen535
  - Autostart Test Procedure on Power-Up536
  - If Unit-Under-Test Fails536
- TESTS (External Devices)538
  - The TESTS (External Devices) Screen538
  - External Disk Specification539
- TESTS (Printer Setup)541
- The TESTS (Printer Setup) Screen541
- TESTS (IBASIC Controller)544
- The TESTS (IBASIC Controller) Screen544
- ROM Programs546
- Using the Signal Strength Meter546
- The Signal Strength Meter Screen546
- Securing a Test Procedure547
- Clearing RAM547
- TX Test Screen549
- TX TEST Functional Block Diagram550
- The TX Test Screen551
- RF Channel557
- Connector, Key, and Knob Descriptions561
- Ant in562
- Connector Descriptions562
- Audio in563
- Audio Monitor Output564
- Crt Video Output565
- Chassis Ground565
- DC Current Measurement565
- DC Input566
- Digital Test Connections566
- Control I/O, CW RF OUT, DET OUT, IQ RF IN, 114.3 Mhz out566
- Ext Scope Trigger Input567
- MIC/Acc568
- MEMORY CARD Slot568
- Hp-Ib568
- To Use the Microphone569
- MIC/ACC Operating Considerations569
- MIC in Specifications569
- MIC/ACC Connections570
- Modulation Input571
- Parallel Port571
- Radio Interface573
- Pin Numbers for the Radio Interface Connector573
- Serial Port577
- Serial Port Connections578
- 10 Mhz REF INPUT579
- 10 Mhz REF OUTPUT579
- DATA Keys580
- DATA FUNCTIONS Keys581
- INSTRUMENT STATE Keys582
- SCREEN CONTROL Keys582
- Miscellaneous Keys and Buttons583
- USER Keys583
- Knob Descriptions584
- Modifications, Accessories, Manuals, Support585
- Modifications586
- Hardware Upgrades and Modifications586
- Accessories589
- External Monitor591
- Manuals (English and Non-English)592
- Radio Test Software594
- HP 11807A Software for the HP 8920A594
- Power Cables595
- HP Support for Your Instrument602
- Customer Training602
- Error Messages605
- General Information about Error Messages606
- Positive Numbered Error Messages607
- Negative Numbered Error Messages608
- IBASIC Error Messages609
- HP-IB Error Messages610
- Text Only Error Messages611
- The Message Display612
- Warbles and Beeps612
- Non-Recoverable Firmware Error613
- Required Hardware for Additional Test Set Functions615
- Index621

HP 8920A - The NAMPS-NTACS Voice Channel Decoder

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