TB 9-6625-2296-35
(4) Press MODE MTRS (Meter Menu), AUX (F6) (Auxiliary Functions Menu), and
(5) Press FIELD SELECT arrow keys until 13. Gen Modulation is highlighted,
and press DATA ENTRY ENTER key.
(6) Press DATA ENTRY 1 (AM Modulation (90%)) 1 8 0 and ENTER keys
(correction factor of 180).
(7) Adjust A9 AM MOD ADJ (fig. 1) on 90 MHz board assembly to set modulation
reading on measuring receiver to 90% 4.5% (R).
(8) Press ESC (F6) (Escape), MODE RF GEN (MODE RF GEN Display), DATA
ENTRY SHIFT, and Y keys (Backup Cal Data ? y/n).
(9) Press Source (F4) (Modulation Source), and DATA SCROLL arrow keys to
select SOURCE 1 MOD AM, and press DATA ENTRY ENTER key (selects AM
modulation).
(10) Press Mod (F5) (Modulation Mode), DATA ENTRY 9 0 and ENTER keys
(90% AM).
(11) Press A Freq (F1) (Audio Frequency Mode), DATA ENTRY 1 0 0 and ENTER
keys (100 Hz modulation frequency).
(12) Verify that the measuring receiver indicates 90% AM 4.5%.
(13) Press A Freq (F1) (Audio Frequency mode), ENTER keys (10 kHz modulation
frequency).
(14) Set measuring receiver low pass filter to 15 kHz and verify measuring receiver
indicates 90% AM 4.5%.
NOTE
All references to low pass filter settings of >20 kHz pertain to
measurement at 900 MHz only for the rest of this paragraph.
a. Performance Check
(1) Press key sequence listed in (a) through (f) below:
Meters Menu
(a)
MODE MTRS .....................................
Auxiliary
(b)
AUX (F6) .............................................
Recall
(c)
MEMORY RCL ..................................
FIELD SELECT ⇑ .............................
Highlight 10. Factory Defaults
(d)
(e) DATA ENTRY ENTER ..................... Factory Defaults recall
NOTE
Assure highlighted area indicates YES before proceeding.
DATA ENTRY ENTER ...................... Factory Defaults
(f)
