TM9-4935-294-15/2
Table -3-10--Continued
Step
Procedure
Normal indication
Possible cause of malfunction
Corrective measure
OFF. Connect setup for PIN
modulator operation (refer to
figure illustrating setup for
PIN modulator operation in
chapter 2, section II, of TM
9-4931-294-15/1) between the
output of the signal source
setup and the crystal detector.
Operate PIN modulator as de-
scribed in paragraph on PIN
modulator operating procedure
in chapter 2, section II, of TM
9-4931-294-15/1. Set controls
on modulator for the pulse or
square wave characteristics
desired.
14
Set BIAS VOLTS ADJUST con-
Digital voltmeter indicates approx.
Defect within BWO power supply.
Refer to BWO power supply
trol fully cw and connect
6.5 volts dc.
manual.
BIAS VOLTS OUTPUT
connector to digital voltmeter.
3-32