TB 9-6625-2345-35
(11) Disconnect measurement receiver power sensor from TI CAL OUT.
(12) Press and release TI spectrum analyzer POWER key to OFF.
(13) Disconnect power cord.
(14) Set TI spectrum analyzer on its front panel.
(15) Replace TI outer cover.
(16) Tighten four screws through back rubber feet.
(17) Place TI in its normal orientation and reconnect power cord.
(18) Depress TI spectrum analyzer POWER key to ON.
a. Performance Check
(1) Press TI BLUE SHIFT then RESET keys.
(2) Set TI controls as listed in (a) through (d) below:
(a) MIN RF ATTEN dB to 0 NORM.
(b) PEAK AVERAGE fully counterclockwise.
(c) TIME/DIV to AUTO.
(d) REFERENCE LEVEL to -20 dBm.
(3) Connect TI CAL OUT to TI RF INPUT 50 Ω.
(4) Press TI keys as listed in (a) through (e) below:
(a) BLUE SHIFT.
(b) FREQ, 1, 0, 0, MHz +dBX.
(c) BLUE SHIFT, SPAN/DIV, 1, 0, 0, MHz +dBX.
(d) BLUE SHIFT.
(e) CAL.
(5) Perform instructions as displayed on TI spectrum analyzer CRT.
(6) Upon completion of TI self calibration, disconnect TI CAL OUT from TI RF
INPUT 50 Ω.
b. Adjustments. None
11. Marker Frequency and
Counter Accuracy
a. Performance Check
(1) Connect signal generator #1 RF OUTPUT to TI RF INPUT.
#1 EXT REF INPUT (rear panel).
(3) Press TI BLUE SHIFT then RESET keys.