TB 9-6625-1914-35
(c) SCAN WIDTH to PER DIVISION.
(8) Adjust LINEAR SENSITIVITY control to 2 mV/DIV and set SCAN TIME
PER DIVISION switch to 50 ms.
(9) Adjust FREQUENCY and FINE TUNE controls to center 300 kHz marker on
display screen.
NOTE
Perform (10), (11), (12), (15), and (16) below when using Model
8552B and (13), (14), and (17) below when using Model 8552A.
(10) Set SCAN WIDTH switch to 20 Hz and BANDWIDTH switch to 10 Hz.
(11) Set IF plug-in SCAN MODE switch to MAN.
(12) Adjust MANUAL SCAN control to set dot on display screen to peak of marker.
Frequency counter will indicate between 299.97 and 300.03 kHz.
(13) Set SCAN WIDTH switch to ZERO and SCAN MODE switch to INT.
(14) Set BANDWIDTH switch to 50 Hz and peak trace with FINE TUNE control.
Frequency counter will indicate between 299.97 and 300.03 kHz.
(15) Set SCAN MODE switch to INT and tune FREQUENCY control down to next
marker. (Should be at 280 kHz).
(16) Set SCAN MODE switch to MAN and use MANUAL SCAN control to set dot on
display screen to peak of marker. Frequency counter will indicate between 279.972 and
280.028 kHz.
(17) Tune FREQUENCY control down to next marker.
Frequency counter will
indicate between 279.972 and 280.028 kHz for model 8552A.
b. Adjustments. No adjustments can be made.
a. Performance Check
(1) Position TI controls as listed in (a) through (i) below:
(a) RANGE switch to 0-300 kHz.
(b) FREQUENCY control to 100 kHz.
(c) FINE TUNE control centered.
(d) BANDWIDTH switch to 1 kHz.