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 TM 11-6625-2884-30/NAVAIR 16-35TS3615-2
CON
SCAN
SYNC
TEST
3-22.
Test Equipment.
a.
Oscilloscope AN/USM-281A
b.
Test Connections and Conditions.
(1) Connect RF Cable W5 from RF OUT jack on RF Modulation Assembly 1A3
to RF IN jack on status panel.
(2) Install a BNC tee Connector at SYNC CS jack of RF Modulation
Assembly 1A3. Connect one side of BNC tee to oscilloscope EXT Input.
Connect other side of BNC tee to oscilloscope B INPUT.
(3) On status panel set switch to UUT SIGNAL and OSCILLOSCOPE MONITOR
black and red switches to BTS VIDEO 1/2. Connect CHAN 2 to oscillo-
scope A input.
c.
Initial Test Equipment Setting.
(1) Set +UP/-UP to -UP
(2) Set oscilloscope for CHOP mode and TIME/DIV for 1 ms.
3-46
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