TB 9-4920-456-24
(29) Enter 200 with CODE/ATTEN SELECT numeric keys and press ENTER key.
TI display will indicate 20.0 dBM*.
(30) On signal generator turn RF OUTPUT on.
(31) On measuring receiver select RATIO function.
(32) On TI CODE/ATTEN SELECT keyboard, press ATTEN BOT key.
(33) Enter 300 with CODE/ATTEN SELECT numeric keys and press ENTER key.
TI ATT BOT display will indicate 30.0 dBm*.
(34) Measuring receiver will indicate between -8.75 and -11.25 dBm.
(35) Press ATTEN BOT key on TI CODE/ATTEN SELECT keyboard to values
listed in table 10. Measuring receiver will indicate within limits listed.
(36) On signal generator turn RF OUTPUT off.
b. Adjustments. No adjustments can be made.
13. Interrogation Path Attenuator Reference Test
a. Performance Check
(1) Disconnect measuring receiver sensor module from TI BOT ANT connection.
(2) Move TI attached load from TOP ANT to BOT ANT connector.
(3) On TI CODE/ATTEN SELECT keyboard, press ATTEN BOT key.
(4) Enter 990 with CODE/ATTEN SELECT numeric keys and press ENTER key.
TI display will indicate 99.0 dBM*.
(5) On TI CODE/ATTEN SELECT keyboard, press ATTEN TOP key.
(6) Enter 750 with CODE/ATTEN SELECT numeric keys and press ENTER key.
TI display will indicate 75.0 dBM*.
(7) Disconnect 50 Ω coaxial cable at TI RF and connect measuring receiver sensor
module to end of the cable.
(8) On measuring receiver deselect RATIO function.
(9) On signal generator turn RF OUTPUT on.
(10) Set up measuring receiver for Tuned RF Level.