a. Place the DC OUTPUT switch at OFF.
3-1. Damage From Improper Control Setting
Before placing the DC OUTPUT switch in
Observe that the pilot indicator lamp lights.
t h e O N position, always set the dc output
b. A d j u s t t h e V O L T A G E C O N T R O L a n d
voltage to the dc voltage level required by the
V O L T A G E VERNIER knobs fully counter-
l o a d . If this procedure is not performed, the
c l o c k w i s e then fully clockwise. Observe that
e q u i p m e n t to which the dc output voltage is
t h e voltmeter indication varies from 0 to 36
b e i n g supplied may become damaged by the
a p p l i c a t i o n of excessive dc voltage from the
C a u t i o n : Before placing the DC OUTPUT
switch to ON, always set the output voltage
to the dc voltage level required by the load.
3-2. Controls and Indicators
Excessive voltage may damage the load con-
nected to the power supply.
c. Set the output voltage to the level required
by the load. Place the DC OUTPUT switch at
d. A d j u s t t h e V O L T A G E C O N T R O L a n d
V O L T A G E VERNIER knobs until the volt-
m e t e r and ammeter indicate the desired volt-
age and current output.
power supply is direct-connected across the
m o n i t o r s the dc voltage output of the power
supply. Under heavy load conditions, a signi-
ficant difference may exist between the voltage
present at the output of the power supply and
the input voltage to the load. To monitor the
voltage input to the load rather than the
voltage output of the power supply, remove the
To operate the power supply, follow the pro-
f a c t o r y - i n s t a l l e d jumper between terminals 1
cedure given in a through e b e l o w .
and 2 and the jumper between terminals 3 and
4 of TB1 at the rear of the power supply. Con-
Caution: Before turning on the power sup-
n e c t a lead from terminal 2 of TB1 to the
ply, always make sure that the DC OUTPUT
positive end of the load and a lead from termi-
switch is in the OFF position. Failure to take
nal 3 of TB1 to the negative end of the load.
this precaution may result in damage to the