TB 9-6625-2311-24
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the
performance of this calibration. DEATH ON CONTACT
may result if personnel fail to observe safety
precautions. REDUCE OUTPUT(S) to minimum after
each step within the performance check where
applicable.
a. Connect RF PROBE with the 50
adapter (Model 91-8B 952002 supplied
with TI) to CHANNEL 1.
b. Connect TI to a 115 V ac source.
c. Energize TI and allow 15 minutes for warm-up.
d. Perform (1) and (2) below with the TI keys:
(1) Press the . key.
(2) Press the SELECT PROBE / . SN key.
e. Verify that the last four digits of the RF PROBE are displayed on the TI.
f. Remove TI top cover as required for adjustment.
NOTE
Verify the proper Cal Factors are loaded for the
measuring receiver power sensor module being utilized.
Zero and calibrate measuring receiver power sensor
module.
8. RF Millivoltmeter Accuracy
a. Performance Check
(1) Assure that no input signal is applied to the RF PROBE.
(2) Press the ZERO key on the TI and allow approximately 20 seconds for
the TI to autozero.
NOTE
If the zero indication is not less than +50 counts, repeat
(2) above until this is achieved.
adapter from the RF PROBE.
(3) Remove 50
(4) Connect unterminated BNC adapter (Model 91-6C 952008 supplied with
TI ) to the RF PROBE.
