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Spectrum Analyzer - Continued
Spectrum Analyzer - Continued

Calibration Procedure For Radio Test Set An/Grm-114B, An/Grm-122, And Ts-4317/Grm Page Navigation
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TB 9-6625-2296-24
(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
(g) SCOPE/ANLZ twice ................
Analyzer Display
(33) Press key sequence listed in (a) through (j) below:
(a) SETUP .....................................
Scope/Analyzer Menu
(b) DATA ENTRY 2 ......................
Analyzer On
(c) DATA ENTRY 4 ......................
Setup Analyzer
(d) DATA ENTRY 2 ......................
Frequency
(e) DATA ENTRY 1 2 1 . 5 M ......
121.5 MHz
(f) DATA ENTRY 5 ......................
Range 2 dB
(g) DATA ENTRY 6 ......................
Scan Width
(h) DATA SCROLL  ...................
Highlight 100 kHz
(i) DATA ENTRY ENTER ..........
Select 100 kHz Scan Width
Ret (F5) ....................................
(j)
Return
(34) Connect signal generator RF output connector to ANTENNA and set signal
generator for a 121.5 MHz, -40 dBm output.
(35) Press (F4) (Ref lvl) and DATA SCROLL arrow keys to place signal peak to
approximately center of display.
(36) Press (F3) (Scan) and DATA SCROLL arrow keys to select 1 kHz scan width.
Press DATA ENTRY ENTER key. Displayed signal peak will be within 3 dBm of center
reference established in (35) above.
(37) Press (F3) (Scan) and DATA SCROLL arrow keys to select 10 kHz scan width.
Press DATA ENTRY ENTER key. Displayed signal peak will be within 2 dBm of center
reference established in (35) above.
(38) Press (F3) (Scan) and DATA SCROLL arrow keys to select 1 MHz scan width.
Press DATA ENTRY ENTER key. Displayed signal peak will be within 2 dBm of center
reference established in (35) above.
(39) Press (F3) (Scan) and the DATA SCROLL arrow keys to select 50 MHz scan
width. Press DATA ENTRY ENTER key. Displayed signal peak will be within 3 dBm of center
reference established in (35) above.
b. Adjustments
(1) Set signal generator RF off.
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