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Generator Frequency
Generator Frequency - 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
(2) Set frequency counter for 50 Ω input and connect frequency counter A input to
TI T/R IN/OUT.
(3) Press key sequence listed in (a) through (h) below:
(a) MODE RF GEN ......................
RF Gen Display
(b) SETUP .....................................
Gen Menu
(c) DATA ENTRY 5 ......................
RF Gen Setup
(d) DATA ENTRY 2 ......................
RF Gen Level
(e) DATA ENTRY 0 ENTER .......
0 dBm
(f) DATA ENTRY 1 ......................
RF Gen Freq
(g) DATA ENTRY 5 0 0 K ............
500 kHz
(h) Ret (F5) ....................................
Return
(4) Frequency counter will indicate within limits listed in table 10.
(5) Press TI DATA SCROLL arrow keys to set MODE RF GEN frequency to
settings listed in table 10. Frequency counter indications will be within limits specified in
table 10.
Table 10. RF GEN Frequency Accuracy.
Test instrument
frequency settings
Frequency counter indications
(MHz)
Min
Max
0.500
499.99975
kHz
500.00025
kHz
1.0
999.9995
kHz
1.0000005
MHz
10.0
9.999995 MHz
10.000005
MHz
100.0
99.999950 MHz
100.000050
MHz
500.01
499.999750 MHz
500.000250
MHz
999.0
998.999500 MHz
999.000500
MHz
1 Move
connection from frequency counter A input to C input.
b. Adjustments
(1) Press key sequence listed in (a) through (f) below:
(a) MODE MTRS ..........................
Meters Menu
(b) AUX (F6) ..................................
Auxiliary Function Menu
(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
33


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