TB 9-6625-2278-24
(15) Replace TI top cover.
(16) Press LINE switch to ON position.
9. Instrument Accuracy Test
a. Performance Check
(1) Press TI and range calibrator LINE switches to OFF position.
(2) Connect channel A power sensor input to range calibrator using cable supplied
with TI.
(3) Set TI controls as listed in (a) through (c) below.
(a) Press LINE switch to ON position.
(b) Press PRESET key.
(c) Press SENSOR A key.
(4) Set range calibrator switches as listed in (a) through (d) below:
(a) FUNCTION switch to STANDBY.
(b) POLARITY switch to NORMAL.
(c) RANGE switch to 1 mW.
(d) LINE switch to ON position.
(5) Press ZERO key and wait approximately 15 to 17 seconds for display to
reappear and stablilize. TI display will indicate between -0.06 and +0.06 W.
(6) Set range calibrator FUNCTION switch to CALIBRATE.
(7) Press TI keys as listed in (a) through (f) below.
TI display will indicated
between 0.995 and 1.005 mW; if not, perform b below.
(a) CAL ADJ key.
(b) + key (SET A key location).
(c) 1 key.
(d) 0 key.
(e) 0 key.
(f) ENTER key.
NOTE
The minus sign in (7) (b) above indicates the use of an external
reference source.
NOTE
If NO REF error is displayed, repeat (7) above.
