TB 9-6625-2297-24
(1) Set range calibrator switches as listed in (a) through (c) below:
(a) FUNCTION CALIBRATE/STANDBY to STANDBY.
(b) POLARITY NORMAL/REVERSE to NORMAL.
(c) RANGE to 3 W.
(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. TI will indicate between -0.05 and +0.05 W.
(5) Set range calibrator RANGE switch
1
mW
FUNCTION
to
and
CALIBRATE/STANDBY switch to 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. If TI does not indicate between 0.995 and
1.005 mW, perform b below.
(12) Set range calibrator RANGE switch to settings listed in table 4. If TI does not
indicate within limits specified, perform b below.
Test Instrument Accuracy
Range calibrator
Test instrument indications
RANGE
switch settings
Min
Max
3 W
W
W
3.10
3.23
10 W
W
W
9.90
10.10
30 W
W
W
31.4
31.8
100 W
W
W
99.5
100.5
300 W
0.314 mW
0.318 mW
3 mW
3.14 mW
3.18 mW
10 mW
9.95 mW
10.05 mW
30 mW
31.4
mW
31.8
mW
100 mW
99.5
mW
100.5
mW
b. Adjustments
(1) Set range calibrator FUNCTION
CALIBRATE/STANDBY
switch
to
STANDBY and RANGE switch to 1 mW.
5
