BWD MINI-LAB 603B Manual page 13

3.
CONTROLS
AND
THEIR
FUNCTIONS
(continued)
3.6
Power Supply Section Controls: (Cont'd)
26.
OV
to Earth,
Link
-
27.
6.3V-0-6.3V
AC
Output
Terminals;
Is
provided
so that the
common
return
of the
two
supplies
can be grounded. However,
either
output terminal
can be grounded
giving
up
to
+
or
-
30V.
Are
the outlets
for
a centre-tapped
winding
on
the
power
transformer.
The winding
is
insulated from
all
other terminals
and
may
be taken
to
±200V
with respect
to
ground.
28.
0*'+200V
Voltage
Control; gives continuously variable adjustment of
the
output voltage from
OV
to
+200V.
29.
0^+200V
Output
Terminals:
The negative
terminal
is
grounded and
the
positive terminal supplies
0
to
+200V
output.
30.
Power
ON/OFF
Switch;
A
D.
P.
S.T.
,
switch
connects
the
mains
to
the
power
transformer providing
power
for
the entire instrument.
When
power
is
being applied
to
the
unit the:-
31.
Power
Indicator:
Lights
up
giving a
visual
indication that the
unit
is
operating.
3 -
4E
603B