Figure 3-4. AN/PRR-9(XE-9) local oscillator
alinement, test setup.
c. Adjust the TS-585A/U for an impedance of 150
d. Set the TS421A/U for 150 Hz and adjust
deviation of AN/URM-103 for 2 kHz.
e. Set the PP-3514/U for 3.2 volts.
Figure 3-5. AN/PRR-9(XE-9) squelch sensitivity
f. Set the AN/PRR-9(XE-9) receiver control for
adjustment, test setup.
squelch "on" operation.
g. Adjust the squelch potentiometer, R5, fully
counterclockwise. Then slowly adjust R5 clockwise to
the setting where the current suddenly increases 10 to