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Page Title:
Table 3-1. Front Panel Controls and Instruments-continued |
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  TM 11-6625-444-14-2
Table 3-1. Front Panel Controls and Instruments - Cont'd
Index
Control or Instrument
Function
No.
RANGE switch
P u s h button switches that select
8
one of four voltage ranges; 2V, 20V,
200V and 1000V full scale.
NOTE
Ohms scale is optional
AUTO
Push/push switch that when pushed
9
in to the AUTO position selects au-
tomatic ranging.
RMT
Push/push switch that when in the
10
"out" position, disables remote con-
trol lines. Pushed in to the RMT po-
sition permits remote control of all
f r o n t panel functions except ac
POWER ON/OFF and FULL RANGE
Disables front
ADJUST RATIO.
panel HOLD and RESET switches.
V o l t m e t e r continues to sample at
rate set by SAMPLE RATE control.
Variable control that adjusts the ratio
RATlO FULL RANGE
11
reading of identical input voltages to
the INPUT and EXTERNAL REFER-
ENCE voltages to be precisely 100%.
GUARD NORM/EXT
Push/push switch that when in the
12
out position (NORM) connects the
LO and GUARD INPUT terminals to-
gether internally. When pushed in to
the EXT position, the LO and
GUARD terminals are not connected
together.
Push/push switch that permits se-
INPUT FRONT/REAR
13
lection of either the front or rear
panel INPUT terminals.
Terminal for internal guard circuit
INPUT GUARD
14
connection when FRONT is select-
ed.
CASE
Voltmeter chassis ground terminal
15
c o n n e c t e d to
"earth"
(normally
ground).
l
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