TB 9-6625-2094-24
(7) Position controls as listed in (a) through (e) below:
FREQUENCY VERNIER control to CAL.
(a)
Set FREQUENCY switches to indicate 050.000 MHz.
(b)
MODULATION MODE switch to CW.
(c)
OUTPUT step attenuator control to 10 dBm.
(d)
OUTPUT VERNIER control for a +9 dB indication on measuring receiver.
(e)
NOTE
Do not change OUTPUT VERNIER control setting after this
point.
(8) Set measurement receiver to ratio mode and adjust TI FREQUENCY switches
from 010.00 MHz to 500.00 MHz. Measuring receiver indication will stay between -.75 to
+.75 dB over the entire range.
(9) Take measuring receiver out of ratio mode.
b. Adjustments. No adjustments can be made.
a. Performance Check
NOTE
If necessary, ZERO and CALIBRATE measuring receiver and
sensor module.
(1) Position controls as listed in (a) through (c) below.
(a) FREQUENCY switches to indicate 520.000 MHz.
(b) OUTPUT step attenuator switch to 0 dBm.
(c) OUTPUT VERNIER control for 0 dBm on TI OUTPUT meter.
(2) Configure measuring receiver to measure frequency and wait for an indication.
(3) Configure measuring receiver to measure tuned RF level.
Set measuring
receiver to ratio mode.
(4) Set TI OUTPUT attenuator switch to -10 dBm.
Measuring receiver will
indicate within limits specified in first row of table 5.
(5) Repeat technique of (4) above for TI OUTPUT step attenuator settings listed in
table 5. Measuring receiver will indicate within limits specified.