TB 9-6625-2296-24
(30) Press Atten (F4) (Attenuation Display) key and press DATA SCROLL arrow
key to select 0 dB.
(31) Press Scan (F3) (Scan Width) and DATA SCROLL arrow keys to select 1 MHz.
NOTE
A12R2 and A12R3 (fig. 6) are interactive and adjustment will
be extremely sensitive.
(32) Alternately adjust A12R2 and A12R3 (fig. 6) on receiver IF module for minimum
amplitude of the 1st LO signal -50 dBm maximum.
Figure 6. Test Instrument - Bottom View.
(33) Press TI POWER key off. Remove digitizer module from extender card, remove
extender card, and reinstall digitizer module in TI. Press TI POWER key ON.
19. Power Meter Calibration
a. Performance Check
(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