TB 9-6625-2171-35
6. Preliminary
instructions
a. The
instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment and accessories used in this procedure are referenced within the
text by common name as listed in table 2 and 3.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in TM 11-6625-3015-14 for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
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. This unit uses a
lithium-sulfur dioxide battery.
Special handling may be
necessary IAW TM 11-6625-3015-14.
a. Remove bottom cover from TI.
b. Disconnect battery from battery connector and connect dual volt power supply
output to battery connector while observing polarity.
c. Connect digital multimeter to dual volt
power supply output and
adjust until
digital
a. Performance Check
(1)
Connect spectrum analyzer RF input to TI RADIO connector.
(2)
Set MODE switch to SENS SQ and press PUSH-TO-TEST button.
(3)
For SN 1 through 634, adjust spectrum analyzer to observe frequencies from
30 to 75 MHz. If output levels do not indicate between -94 and -100 dBm from 30 to 75
MHz, perform b below. For SN 635 and above, adjust spectrum analyzer to observe
frequencies from 30 to 80 MHz. If output levels do not indicate between -95 and -101 dBm
from 30 to 80 MHz, perform b below.