TB 9-6625-2258-24
(42) Press LEVEL key and set LEVEL display to 0.0 dBm by pressing 0 with DATA
ENTRY key and then by pressing GHz/dBm/SEC DATA ENTRY key.
(43) Slowly rotate INCR-DECR control cw until UNLEVELED indicator blinks on.
(44) Slowly rotate INCR-DECR control ccw until UNLEVELED indicator quits
blinking. Wait for 3 sweeps to complete without the UNLEVELED indicator blinking
before proceeding to (45) below.
(45) Press TRIGGER MANUAL SWEEP key and adjust TRIGGER MANUAL
SWEEP control for a multimeter indication equal to value recorded in table 6 for 20.000 GHz.
(46) Slowly rotate TRIGGER MANUAL SWEEP control cw until multimeter
indication is equal to value recorded in table 6 for 26.5 GHz. If lowest power meter
indication is not equal to or greater than 0.0 dBm, perform b below.
(47) Replace thermistor mount No. 1 with thermistor mount No. 2 in equipment setup.
(48) Press TRIGGER AUTO key.
(49) Press FREQUENCY RANGE F1-F2 key.
(50) Press F1 M3 key and set F1 M3 display to 26.500 GHz by pressing 26.5 with
DATA ENTRY keys and then by pressing GHz/ dBm/SEC DATA ENTRY key.
(51) Press F2 M6 key and set F2 M6 display to 40.000 GHz by pressing 40 with
DATA ENTRY keys and then by pressing GHz/dBm/SEC DATA ENTRY key.
(52) Press SWEEP TIME key and set SWEEP display to 1.0 s by pressing 1 with
DATA ENTRY key and then by pressing GHz/ dBm/SEC DATA ENTRY key.
(53) Press LEVEL key and set LEVEL display to 0.0 dBm by pressing 0 with DATA
ENTRY key and then by pressing GHz/dBm/SEC DATA ENTRY key.
(54) Rotate INCR-DECR control cw until UNLEVELED indicator blinks on.
(55) Slowly rotate INCR-DECR control ccw until UNLEVELED indicator just goes
out. Wait for three sweeps to complete without UNLEVELED indicator blinking before
proceeding to (56) below.
(56) Press TRIGGER MANUAL SWEEP key.
(57) Adjust TRIGGER MANUAL SWEEP control for a multimeter indication equal
to value recorded in table 6 for 26.500 GHz.
(58) Slowly rotate TRIGGER MANUAL SWEEP control cw until multimeter
indicates same value as recorded in table 6 for 40.000 GHz. If lowest power meter
indication is not equal to or greater than 0.0 dBm, perform b below.
b. Adjustments
(1) Press POWER pushbutton to OFF position and remove TI top cover. Remove
TI board cover screw holding CCA boards.
(2) Replace TI top cover and do not fasten down (this step allows for easy removal
and replacement of TI top cover).
(3) Press POWER pushbutton to ON position.
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