TB 9-4931-538-40
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the results 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 is this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to TI.
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during 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.
CAUTION
The four-channel test set is very sensitive to static discharge.
All maintenance or operation should be performed with the
antistatic mat and wrist strap, which are supplied with TI. All
cables being connected to TI should be shorted to the antistatic
mat, TI, or ground prior to connecting to TI.
a. Place antistatic mat in a suitable location and connect grounding lead and wrist
strap to an earth ground.
b. Place TI on antistatic mat while using wrist strap.
c. Connect umbilical cable between mainframe and plug-in (rear connectors).
d. Connect TI mainframe to a 115 V ac source. Set POWER STBY/ON switch to ON
and allow at least 15 minutes for equipment warm-up.
NOTE
When mating APC 3.5 connectors to APC 3.5 connectors or
devices, torque all connections to 8 in/lbs. When mating APC
3.5 to SMA or SMA to SMA, torque all connections to 5 in/lbs.
8. Bandwidth
a. Performance Check
(1) Set POWER STBY/ON switch to STBY.
(2) Press and hold down the top or bottom FUNCTION key (vertical) and set
POWER STBY/ON switch to ON continuing to hold key until the graticule lines are displayed.
(3) Set the display menu and mainframe settings to meet the following conditions:
