GE ApexPro TT, Technical Manual

Page: 96 / 192

5-12 ApexPro™ 2001989-351A
Troubleshooting
With transmitter powered, press Graph and Verify Leads buttons at the same
time. The Pause Alarm LED will begin to blink. This mode will remain active for
5 minutes (default time) or until transmitter is powered down or is taken off
Pause Alarm mode, whichever occurs first. (After 5 minutes the RF will shut
off.)
15. Place the transmitter in the same position on the spectrum analyzer as in step 9 .
16. Turn on a marker and place it on the peak of the signal.
17. Turn on averaging to average over 10 samples.
a. Press TRACE .
b. Press F1 - TRACE MODE .
c. Select AVERAGE .
d. Press ENTER .
18. Move away from the analyzer. Your body will affect the measurement, so make
sure your hands are at least 3 feet away from the analyzer, antenna, and
transmitter.
19. Wait for 10 seconds and then record the peak of the signal.
NOTE
When measuring the signal, ensure that the transmitter is still in Pause Alarm
mode by verifying that the no alarm LED on the front of the transmitter is
blinking.
20. Repeat steps 5 through 19 for all transmitters to be tested.
We recommend the following table for data collection:
Transmitter
TTX number
Transmitter
serial number
Transmitter
carrier level (dB)
from step 13
Transmitter
modulated data
level (dB)
from step 19