TB 9-6625-2296-24
(11) Algebraically subtract - residual FM recorded in (8) above from TI DEV
indication and if result is not within limits specified in table 21, perform b below.
(12) Set signal generator FM off and repeat technique of (5) through (11) above for
remaining signal generator and TI settings in table 21.
b. Adjustments
(1) Set signal generator RF output off.
(2) Press key sequence listed in (a) through (f) below:
(a) MODE MTRS ..........................
Meters Menu
(b) AUX (F6) ..................................
Auxiliary
(c) MEMORY RCL .......................
Recall
(d) FIELD SELECT ..................
Highlight 10. Factory Defaults
(e) DATA ENTRY ENTER ..........
Factory Defaults recall
NOTE
Assure highlighted area indicates YES before proceeding.
(f) DATA ENTRY ENTER ..........
Factory Defaults restored
NOTE
Pressing More (F6) will scroll various options on the bottom of
the display. The options will change the functions assigned to
the F1 through F6 function keys. This may be necessary to
obtain the Freq (F1), Atten (F4), and FM Z (F3) options
required in the following tests.
(3) Adjust signal generator output for 121.1 MHz at 0 dBm with 9 kHz deviation at
3 kHz rate and turn the FM off.
(4) Set measuring receiver to measure FM deviation, low-pass filter to >20 kHz, and
select PEAK/2 detector.
(5) Press key sequence listed in (a) through (q) below:
(a) MODE RCVR ..........................
Receiver Display
(b) SETUP .....................................
Rcvr Menu
(c) DATA ENTRY 1 ......................
Set Rcvr Freq
(d) DATA ENTRY 1 2 1 . 1 M .........
121.1 MHz
(e) DATA ENTRY 2 ......................
Select Mod
(f) DATA SCROLL arrow keys ...
Highlight 11. User Defined
(g) DATA ENTRY ENTER ..........
Select 11. User Defined
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