TB 9-6625-1932-35
a. Performance Check
(1) Press programmable sweep generator RF output pushbutton to OFF position.
determined in 11a above.
(3) Set power meter No. 2 RANGE switch to COARSE ZERO and adjust front
panel COARSE ZERO control for a zero meter indication.
(4) Ensure digital multimeter input terminals are isolated from chassis ground for
(5) below.
(5) Connect digital multimeter positive lead to power meter No. 2 VCOMP and
connect digital multimeter negative lead to power meter VRF.
(6) Set power meter No. 2 RANGE switch to 1 mW.
(7) Adjust digital multimeter (dc mode) controls to measure microvolts.
(8) Press and hold power meter No. 2 FINE ZERO control and record digital
multimeter indication as V0.
(9) Release power meter No. 2 FINE ZERO control.
(10) Set programmable sweep generator RF output pushbutton to ON position.
(11) Adjust programmable sweep generator LEVEL output controls for a power
meter No. 2 indication (reference) of 1 mW full scale or suitable power level full scale
indication within range of the TI.
(12) Record digital multimeter indication as V1.
(13) Disconnect digital multimeter negative lead from power meter No. 2 VRF and
connect digital multimeter negative lead to power meter No. 2 chassis ground. Record
digital multimeter indication as Vcomp.
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