Confirming Receiver Sensitivity - Motorola Cleartone CM5000 Basic Service Manual

TEST SETUP & ADJUSTMENT

Confirming receiver sensitivity

Preparation
Preparation of AEROFLEX Tester 2968
STEP 1
Set the AEROFLEX Tester to T1 LOOP BACK MODE as follows:
T1 Loop Back
Burst Mode
Signal format
RF Level
STEP 2
Set the AEROFLEX tester channel to 3200.
STEP 3
Press Menu key, numeric key [2] and the Rotary knob simultaneously. The radio terminal enters T1
TEST mode.
STEP 4
Set the tested radio terminal to channel 3200.
STEP 5
Press [*] key for 12.5 kHz offset. CM5000 displays '+' on right side of channel number.
Confirm sensitivity
STEP 1
Confirm that tester BER indication is less than 1%.
CM5000 Mobile Repeater/Gateway - Basic Service Manual
The Loop Back Test Mode is using on this adjustment proce-
dure. Accordingly transmitter function should work to execute
this test mode.
No manual tunable device in the RF band pass filter. No adjust-
ment is required for receiver.
ON
Normal
TCH/7.2
-110 dBm
33