TB 9-6625-2297-24
(2) Press DATA ENTRY PRESET/LOCAL key then DATA ENTRY ENTER key.
(3) Press FUNCTION dBm/W key for TI indications in watts.
NOTE
When setting range calibrator FUNCTION CALIBRATE
/STANDBY switch to STANDBY, allow sufficient time for
range calibrator to settle before zeroing TI (typically less than
60 seconds).
(4) Press FUNCTION ZERO key and wait approximately 15 seconds for
ZEROING: ***** display to disappear.
(5) Set range calibrator FUNCTION CALIBRATE/STANDBY switch
t o CALIBRATE.
(6) Press FUNCTION SHIFT key then FUNCTION CAL/ZERO key.
(7) Press DATA ENTRY , ,
,
keys until REF CF 100.0% is displayed.
(8) Press DATA ENTRY ENTER key. TI will display CAL ***** for a few seconds.
(9) Press FUNCTION SHIFT key then FUNCTION CAL FAC/FREQ key.
(10) Press DATA ENTRY , ,
,
keys until CALFAC 100.0% is displayed.
(11) Press DATA ENTRY ENTER key.
(12) Adjust R87 (fig. 1) for a maximum TI indication (R).
(13) Set range calibrator RANGE switch to 10 mW.
(14) Adjust R111 (fig. 1) for a TI indication between 9.99 and 10.01 mW (R).
(15) Set range calibrator RANGE switch to 100 mW.
(16) Adjust R112 (fig. 1) for a TI indication between 99.9 and 100.1 mW (R).
(17) Repeat (13) through (16) above until no further adjustments are required.
10. Reference Frequency Oscillator
a. Performance Check
(1) Set range calibrator FUNCTION CALIBRATE/STANDBY
switch
to
STANDBY and disconnect range calibrator from TI.
(2) Connect TI POWER REF to frequency counter A input.
(3) Press DATA ENTRY PRESET/LOCAL key then DATA ENTRY ENTER key.
(4) Press FUNCTION SHIFT key then DATA ENTRY PWR REF/
key.
If
frequency counter does not indicate between 49.5 and 50.5 MHz, perform b below.
(5) Disconnect frequency counter from TI.
b. Adjustments
(1) Adjust L5 (fig. 1) for a frequency counter indication between 49.5 and 50.5 MHz (R).
