TB 9-4931-488-35
a. Adjust meter mechanical zero adjustment (located
above
MODULATION
117V output.
d. Press LINE OFF ON pushbutton to ON and allow 2 hours for temperature
stabilization.
e. Position controls as listed in (1) through (17) below:
(1) COUNTER MODE pushbuttons as listed in (a) through (d) below:
(a)
EXPAND X10 and X100 released.
(b)
LOCK released.
(c)
INT EXT pressed.
(d)
+1/2 DIGIT released.
(2) FM k/MHz pushbutton pressed.
(3) AM switch to OFF.
(4) AUDIO OUTPUT LEVEL control fully ccw.
(5) AM control fully ccw.
(6) MODULATION FREQUENCY RANGE switch to FREQ FIXED 1 kHz (1000
Hz for opt 004).
(7) FM switch to OFF.
(8) PEAK DEVIATION switch to 5 kHz.
(9) FM control fully ccw.
(10) RANGE MHz switch to 1-0.5.
(11) FINE TUNE control centered.
(12) OUTPUT LEVEL switches to -20 dBm.
(13) OUTPUT LEVEL vernier controls centered.
(14) TIME BASE vernier control to CAL.
(15) RF OFF/ON switch to OFF.
(16) TIME BASE (rear panel) switch to INT.
(17) FREQUENCY TUNE control fully cw.
8