TB 9-6625-2151-35
WARNING
HIGH VOLTAGE is used or exposed during the performance of
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step with the performance
check where applicable.
a. Remove protective cover (upper) from TI only when necessary to make adjustments.
Replace cover after completing the adjustments.
b. Verify TI rear line module is set for 120 V and the correct fuse is installed.
c. Connect TI to a 115 V ac power source.
d. Press POWER ON/STBY pushbutton to ON and allow 5 minutes for warmup and
stabilization.
NOTE
Use BNC to phone plug (WECO 310) and adapters as required
for TI left TRMT/RCV 310 and right RCV/TRMT 310
connections.
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI right RCV/TRMT 310.
(2) Position controls as listed in (a) through (e) below:
(a)
Press DISPLAY key to select RCV.
(b)
Press NOR pushbutton.
Press SET UP RCV 600 Ω pushbutton.
(c)
(d)
Press SET UP RCV BRG pushbutton (in).
(e)
Press MEASUREMENT MEAS key to select LEVEL FREQUENCY.
NOTE
The 0.05 dB offset in (3) and (5) below checks round-off error.
(3) Set calibrator for a 11.95 dBm, 20 Hz output. If TI left display does not indicate
between 11.0 and 12.9 dBm, perform b below. TI right display will indicate between 19 and
21 Hz.
(4) Repeat technique of (3) above at calibrator frequency settings listed in table 3. If
TI indications are not within limits specified for +12 dBm, perform b below.