TB 9-6625-2296-24
Table 17. Amplitude Modulation Accuracy Continued.
Measuring receiver1
Test instrument
indications
Modulation
Percent
RF frequency
rate
modulation
Min
Max
10 MHz
100
Hz
90%
85.5
94.5
10 MHz
100
Hz
60%
57.0
63.0
10 MHz
100
Hz
30%
28.50
31.50
10 MHz
1 kHz
30%
28.50
31.50
10 MHz
1 kHz
60%
57.0
63.0
10 MHz
1 kHz
90%
85.5
94.5
10 MHz
10 kHz
90%
85.5
94.5
10 MHz
10 kHz
60%
57.0
63.0
10 MHz
10 kHz
30%
28.50
31.50
900 MHz
100
Hz
30%
28.50
31.50
900 MHz
100
Hz
60%
57.0
63.0
900 MHz
100
Hz
90%
85.5
94.5
900 MHz
1 kHz
90%
85.5
94.5
900 MHz
1 kHz
60%
57.0
63.0
900 MHz
1 kHz
30%
28.50
31.50
900 MHz
10 kHz
30%
28.50
31.50
900 MHz
10 kHz
60%
57.0
63.0
900 MHz
10 kHz
90%
85.5
94.5
1 Set
measuring receiver filters as needed.
b. Adjustments
(1) 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
(2) Position measuring receiver controls to measure AM depth, with low pass
filter of 3 kHz and PEAK/2 detector selected.
(3) Press key sequence listed in (a) through (h) below:
(a) MODE RF GEN ......................
RF Gen Display
(b) SETUP......................................
Gen Menu
55