TB 9-6625-2259-24
Frequency counter
Test instrument
FREQUENCY
indication limits
RANGE key or F1 M3
(MHz)
display frequency
Min
Max
indications
(GHz)
CW F1 (1.000)
990
1010
CW M1 (3.000)
2990
3010
CW CF (10.000)
9990
10,010
2.1001
2090
2110
7.900
7890
7910
1
8.100
8090
8110
12.3001
12,290
12,310
12.500
12,490
12,510
1Press
FREQUENCY RANGE CW F1 key and enter desired frequency with
DATA ENTRY keys and then press GHz/dBm/SEC DATA ENTRY key.
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.
(4) Press RESET key and allow TI to warm-up for 30 minutes.
(5) Connect RF OUTPUT 50
to Input 1 of microwave frequency counter.
WARNING
Perform (6) through (20) below exactly as written to prevent
(6) Press FREQUENCY RANGE CW F1 key and set F1 M3 display to 2.100 GHz
by pressing 2.1 with DATA ENTRY keys and then by pressing GHz/dBm/SEC DATA
ENTRY key.
(7) Press FREQUENCY RANGE CW F2 key and set F2 M6 display to 7.900 GHz
by pressing 7.9 with DATA ENTRY keys and then by pressing GHz/dBm/SEC DATA
ENTRY key.
(8) Press FREQUENCY RANGE CW F1 key and wait 10 seconds for frequency
count to settle.
(9) Press FREQUENCY RANGE CW F2 key and wait 10 seconds for frequency
count to settle.
(10) Repeat (8) and (9) above two more times.
(12) Remove TI top cover.
7