User`s guide

72
Transmit Current
Limit Alignment
(Mobiles Only)
From the MAIN MENU, press F2 twice and then F6 to bring up the
TRANSMIT CURRENT LIMIT ALIGNMENT screen.
This screen can be accessed for Mobiles only. Transmit current limit
alignment is required after RF board servicing or replacement. Refer to
your Radio Service Manual for the Transmit Current Limit Alignment
procedure. This alignment procedure limits the transmitter current
drain of the radio.
Press Tab to select the desired field, or press the desired function key
(F1 - F10). If a desired field is selected, use the UP/DOWN arrow keys
to select the desired choice or value.
Programming 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, measure current drain on the first test
frequency.
3. Press F6 to de-key the radio and Tab to move between frequency
points.
Repeat the steps above for each frequency.
4. Press Tab to select the frequency which had the highest current
reading.
5. While transmitting, use the UP/DOWN arrow keys to adjust the
transmit current limit according to instructions in the Service
Manual.
BBF
MOTOROLA Radio Service Software Use UP/DOWN Arrows To Adjust Softpot.
ASTRO MOBILE Model:
...CURRENT LIMIT
CURRENT LIMIT
-------------
Frequency Current Value New Softpot Value
--------- ------------- -----------------
821.0125 15 15
851.0125 15 15
866.0125 15 15
869.0125 15 15
Transmitter..Off
0 15
MIN |----+----+----+----+----X----+----+----+----+----+----+----| MAX
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10
HELP TOGGLE PROGRAM EXIT
PTT VALUE
!
Caution
This procedure should be attempted only by qualified
service personnel. Failure to perform alignment
procedures properly may result in seriously degraded
radio or system performance.