Motorola MT2000 用户手册
68P81074C50
4-29
MTSX RSS
SERVICE
4.2.3.3 TRANSMIT SIGNALLING: MDC 1200
RSS LOCATION:
At the SERVICE MENU, press .
F4
F4
MOTOROLA Radio Service Software
MTSX
MTSX
Model:
...TRANSMIT SIGNALLING:MDC1200
Use UP/DOWN Arrows To Adjust Softpot.
F1
HELP
F2
F3
F4
F5
F6
TOGGLE
PTT
F7
F8
PROGRAM
VALUE
F9
F10
EXIT
TRANSMIT SIGNALLING: MDC 1200
Frequency
Current Value
869.9875
21
New Softpot Value ....................21
Transmitter........Off
0
Min
31
Max
Refer to your radio service manual for the MDC signalling deviation alignment procedure. This procedure should
only be attempted by qualified service personnel.
only be attempted by qualified service personnel.
MDC deviation should be checked any time the radio is serviced and must be adjusted whenever any of the
modulation circuitry has been replaced. All radio compensation/deviation adjustments must be made before
adjusting MDC deviation.
modulation circuitry has been replaced. All radio compensation/deviation adjustments must be made before
adjusting MDC deviation.
MDC deviation is increased or decreased by first keying the radio via F6, and then by pressing the up/down arrow
keys respectively. A relative deviation value is displayed, but the actual transmitter deviation must be determined
from your service monitor. Set your modulation analyzer to read peak deviation.
keys respectively. A relative deviation value is displayed, but the actual transmitter deviation must be determined
from your service monitor. Set your modulation analyzer to read peak deviation.
The function key descriptions and field definition are on the following page.
PROGRAMMING PROCEDURE:
1.
Press F2 at the MAIN MENU. The SERVICE MENU appears.
2.
Press F4. The SIGNALLING ALIGNMENT MENU appears.
3.
Press F4. The TRANSMIT SIGNALLING: MDC 1200 screen appears.
4.
Press Tab to select the desired field, or press the desired function key (F1 - F10).
5.
If a field is selected, press the up/down arrow keys to select choice or value.