I"
.,
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the ammeter to continually indicate the value
of
output current. When
in
the CONT.
and MAl NT. Modes
of
operation, it will require 30 cycles
of
output current before a
current value will be displayed. Default
Setting is MEM.
SERIPAR -
When
operating the unit with the output in a series configuration, this
switch must be in the
SERIES position in order for the ammeter to read the correct
amount
of
output current. (See Section IV, 2, A for more details.) The default setting
is PARALLEL.
FRONT PANEL DISPLAY AND INDICATORS
12.
LCD Display Panel - This panel displays Output Amperage, Vac, and Time. It is
also used to program many other features
of
the DDA control panel (See Section
III,
Front Panel Display and Programming Menus
for
more details).
13.Front Panel
Indicators
Over
Range - Illuminates to indicate that output current has exceeded the
AMMETER RANGE selected.
Output Energized - Illuminates to indicate that the SCR has gated and the output is
energized.
Interlock GND Open - A special ground interlock circuit is incorporated which verifies
that the test set chassis is connected to system ground before the output
of
the test
set can be energized.
If
not properly grounded, this indicator will illuminate and
prevent the test set from energizing.
Thermal Warning -
Indicates that the thermal status
of
the test set is approaching an
over temperature condition.
Thermal Shutdown -
Indicates that the thermal status
of
the test set has reached an
over temperature condition. The test set will not operate as long as there is an over
temperature condition.
14.Softkeys - Used to set programmable functions indicated on the
LCD display panel:
8
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