Dtmf Transmit Deviation - Motorola MCS 2000 User Manual

DTMF Transmit
Deviation
BDB
Programming Procedure
Function Key Descriptions
F6 - TOGGLE PTT
F8 - PROGRAM VALUE
Field Definitions
New Softpot Value
64
From the MAIN MENU, press F2, F4 and then F2 to access the DTMF
TRANSMIT DEVIATION screen.
MOTOROLA Radio Service Software
MCS Model:

...DTMF TRANSMIT DEVIATION

Frequency Current Value
--------- -------------
136.01250 21
0
MIN |----+----+----+----+----+----+----+----X----+----+----+----| MAX
F1 F2 F3
HELP
DTMF deviation should be checked every time the radio is serviced and must
be adjusted whenever the Controller Board or RF Board is replaced. It is also
required following Modulation balance and Modulation Limit (VCO or
Reference) alignments.
Note: All radio compensation/deviation adjustments must be
made before adjusting DTMF deviation.
This procedure should be attempted only by qualified
!
service personnel. Failure to perform alignment
procedures properly may result in seriously degraded
Caution
radio or system performance.
Refer to your Radio Service Manual for the DTMF Transmit Deviation
Alignment procedure.
1. Press F6 to key up the radio. (The radio's RF output must be
terminated into a 50 ohm load.)
2. While transmitting, modify the DTMF Attenuator setting using
the UP/DOWN arrow keys.
3. Press F6 to de-key the radio.
4. Press F8 to save the new values.
Alternately keys and de-keys the radio being serviced.
Programs the selected value into the radio.
This is the working DTMF Attenuator value. The status bar shows the
relationship between this setting and the minimum and maximum
settings.
Use UP/DOWN Arrows To Adjust Softpot.
DTMF TRANSMIT DEVIATION
-----------------------
New Softpot Value..... 21
Transmitter..Off
F4 F5 F6 F7
TOGGLE
PTT
31
F8 F9 F10
PROGRAM EXIT
VALUE