5-42
5.15 XMTR OUTPUT LEVEL CHECK (NO PA)
See Figure 5 - 20 and follow the procedure to check the RF output of the UD-35( ) Transmit-
ter in radio configuration that is not equipped with the optional PA.
This is an out-of-service procedure when on a nonstandby
(unprotected) system. On a hot-standby or frequency diversity
system, switch traffic on the channel under test off line.
Figure 5 - 20 XMTR Output Level Check (No PA)
CAUTION
Possibility of
Service
Interruption
MDR-1145
09/08/05
d If ATPC was enabled prior to performing
this procedure, re-enable.
e Stop. This procedure is complete.
b Connect Power Meter with 50 OHM
Power Sensor to RF MON Connector.
a
If ATPC is enabled, disable (XMTR will
go to high power).
c
Level on Power Meter should be same
as on label ± 0.5 dB (0 dBm nominal).
If not, adjust level using procedure in
Para. 5.19.
PWR MON
XMT PWR
ALM
ON LINE
I CARR NULL
XMT LVL
ADJ
FREQ CONT
Q CARR NULL
TRANSMITTER
RF
OUT
XTAL
MON
RF
MON
MEDIUM
POWER
SENSOR
POWER
METER