TB 9-6625-2197-40
Figure 7. High Speed I/O Board A3 - Adjustment Locations.
9. Transmitter Output Power Level Check
a. Performance Check
(1) Connect equipment as shown in figure 8, CONNECTION A.
(2) Adjust radar test set oscilloscope controls as listed in (a) through (e) below:
(a) TIME/DIV to 10 s.
(b) TRIGGER MODE to AUTO.
(c) Press MAIN/DELAYED pushbutton to enable menu TIME REF and press
soft key to LFT.
(d) Set CH 2 INVERT to On and VOLTS/DIV to 100 mV/DIV.
(e) Press radar test set oscilloscope ERASE pushbutton then press Autostore
pushbutton to STORE.
(3) Set control box PWR switch to ON and ensure RPT and SEQ switches are in
the OFF position.
(4) Press and release LAMP TEST pushbutton. Amplitude difference between
pulses displayed on radar test set oscilloscope will not be greater than 10 percent of
average amplitude.
NOTE
MODE 4 SIMULATED WORD (from the SUM connector)
displayed on radar test set oscilloscope consist of 37 pulses with
number 5 missing.
