Operating Manual for COMMUNICATIONS SERVICE MONITOR

LOCAL OPERATION
Contents (continued)
Output level.....................................................................................................................3-71
Tone selection..................................................................................................................3-71
Tone frequency shift........................................................................................................3-71
DCS .......................................................................................................................................3-71
Overview.........................................................................................................................3-71
DCS receiver decoder testing...........................................................................................3-72
DCS transmitter encoder testing ......................................................................................3-73
DTMF ....................................................................................................................................3-73
Overview.........................................................................................................................3-73
Tx test DTMF tones function ...........................................................................................3-74
Rx test DTMF tones function...........................................................................................3-74
Dx test DTMF tones function...........................................................................................3-76
AF test DTMF tones function ..........................................................................................3-76
POCSAG................................................................................................................................3-76
Overview.........................................................................................................................3-76
Testing a radio pager .......................................................................................................3-78
Decoding POCSAG type signals......................................................................................3-79
Oscilloscope...........................................................................................................................3-80
Setting up ........................................................................................................................3-80
Expanded display.............................................................................................................3-81
Stores, settings/results ............................................................................................................3-82
Overview.........................................................................................................................3-82
STORE/RECALL............................................................................................................3-82
Storing ............................................................................................................................3-83
DISPLAY HOLD STORE................................................................................................3-83
Other memory functions ..................................................................................................3-83
Titling store locations ......................................................................................................3-84
Memory card..........................................................................................................................3-84
Formatting memory cards ................................................................................................3-84
Accessing the memory cards............................................................................................3-85
Write-protecting cards .....................................................................................................3-85
Coded store protection .....................................................................................................3-86
Storing on memory cards .................................................................................................3-87
Printing from memory cards ............................................................................................3-87
Error messages ................................................................................................................3-88
Real time clock. Date and time stamping ........................................................................3-88
Printer ....................................................................................................................................3-89
Parallel printer port option ...............................................................................................3-90
List of tables
List of figures
Table 3-1 Parallel printer port connections ............................................................................3-90
Table 3-2 Rear accessory port connections.............................................................................3-91
Fig. 3-1 Front panel ..............................................................................................................3-4
Fig. 3-2 Typical displays.......................................................................................................3-5
Fig. 3-3 Rear panel layout, (with optional GPIB fitted) .........................................................3-8
Fig. 3-4 Transmitter test connections ..................................................................................3-18
Fig. 3-5 Tx power, harmonic analysis screen ......................................................................3-26
Fig. 3-6 Power Transient Analysis screen ...........................................................................3-27
Fig. 3-7 Transient Analysis displays ...................................................................................3-30
Fig. 3-8 Distortion level and signal to noise level measurements. ........................................3-33
Fig. 3-9 Receiver test connections.......................................................................................3-37
Fig. 3-10 Selectivity test setup..............................................................................................3-47
3-2 46882-311D