Signaling Deviation; Table 6-4. Signaling Deviation - Motorola MCS 2000 Service Instructions Manual

6-8

Signaling Deviation

NOTE: On radios with Conventional Select 5 Signaling software skip the next three steps and go to
" DTMF Transmit Deviation (GVN6011 only)" on page 9
(GVN6011 only)" on page
DTMF Transmit Deviation
The DTMF Deviation Softpot is used to tune the FFSK signaling deviation.
1. From the SERVICE menu, press F4 to select SIGNALING alignment.
2. Press F2 again to select the DTMF softpot.
3. Press F6 to key the radio on the test frequency. The screen will indicate that the radio is
transmitting.
4. Measure the DTMF deviation on your service monitor.
5. Use the UP/DOWN arrow keys to adjust the DTMF deviation per
Channel Spacing
25 / 30
20 (VHF/UHF)
12.5
6. Press F6 again to dekey the radio.
7. Press F8 to program the softpot value; press F10 twice to return to the SERVICE menu.
High Speed Deviation
1. From the SERVICE menu, press F4 to select SIGNALING alignment.
2. Press F3 to select the TRUNKING HIGH SPEED softpot.
3. Press F6 to key the radio on the test frequency. The screen will indicate that the radio is
transmitting.
4. Measure the TRUNKING HIGH SPEED deviation on your service monitor.
5. Use the UP/DOWN arrow keys to adjust the TRUNKING HIGH SPEED deviation per
4.
6. Press F6 again to dekey the radio.
7. Press F8 to program the softpot value; press F10 twice to return to the SERVICE menu.
MDC 1200 Deviation
1. From the SERVICE menu, press F4 to select SIGNALING alignment.
2. Press F4 again to select the MDC softpot.
3. Press F6 to key the radio on the test frequency. The screen will indicate that the radio is
transmitting.
4. Measure the MDC deviation on your service monitor.
5. Use the UP/DOWN arrow keys to adjust the MDC deviation per
6. Press F6 again to dekey the radio.
December 6, 2004
9.
DTMF
(kHz)
3.05-3.40
2.44-2.76
1.55-1.85

Table 6-4. Signaling Deviation

Radio Tuning Procedure: Tuning Procedure
and " Select 5 Transmit Deviation
Table 6-4.
Trunking MDC
2.5-3.5 3.25-3.75
2.0-2.8 2.6-3.0
1.25-1.75 1.62-1.88
Table 6-4.
Table 6-
68P81083C20-D