(f) A11 AMPLITUDE MOD pushbuttons
(c) START/CW and STOP/ F controls
released.
to 3 V on calibrator scale.
(2) Set calibrator FUNCTION SELECTOR
(2) Set calibrator FUNCTION SELECTOR
switch to SWP REF AM. Record multimeter
switch to SWP REF AM.
indication.
(3) Slowly turn UUT MANUAL SWEEP
(3) Turn UUT MANUAL SWEEP control
control from fully counterclockwise to fully clock-
fully clockwise. Record multimeter indication.
wdc throughout range of MANUAL SWEEP con-
(4) Difference in recorded multimeter indi-
trol.
cations is between.6.8 and 7.2 vdc,
b. Adjustments. Adjust UUT F ZERO R8
b. Adjustments. Adjust UUT
F BW AD -
( fig. 3-6) for multimeter indication of 3.0 vdc
throughout range of MANUAL SWEEP control.
multimeter indications as U U T MANUAL
SWEEP control is turned from one limit to the
other.
a. Performance Check. Set calibrator FUNC-
TION SELECTOR switch to settings listed in
a. Performance Check.
er output voltage control for a meter indication
(1) Position UUT controls as follows:
of 105, 1.25, and 115 vat. Multimeter (1-3) and
((z) FUNCTION START-STOP pushbut-
voltmeter (1-5) indicate within specified limits.
ton pressed.
( b ) SWEEP SELECTOR switch to
b. Adjustments.
MANUAL.
(1) Set calibrator FUNCTION SELECTOR
(c) START/CW control to 3 V on calibra.
tor scale.
Adjust UUT adjustment listed for multimeter
(d) STOP/
F control to 73 V on cali-
indication.
brator scale.
(2) Repeat the performance check.
(2) Set calibrator FUNCTION SELECTOR
switch to SWP REF AM.
(3) Adjust UUT MANUAL SWEEP con-
trol for multimeter indication of 38.0 vdc.
(4) Press UUT FUNCTION AF pushbut-
vdc.
b. Adjustments. Adjust UUT
F CENT R28
F Zero
a. Performance Check.
(1) Position UUT controls as follows:
(a) FUNCTION AF pushbutton pressed.
(b) SWEEP SELECTOR switch to MAN-
UAL.
20