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1.
CHANNEL NUMBER SELECT KEYS
Selects channel for editing. An asterisk (
*
) appears in the first column of the display to indicate that this is the channel to
be edited.
2.
OVERRIDE INDICATORS
Indicates when a channel’s command signal is overridden high (
OPEN
) or low (
CLOSED
).
3.
OVERRIDE KEYS
Override the command signal on the
ACTIVE CHANNEL
.
OPEN
sets control override (pin 8) to +15V.
CLOSED
sets command to –15V.
AUTO
allows the user to set the command signal for normal operation. A channel must be
active before these keys can become operational.
4.
DISPLAY AREA
Column 1:
Reserved for displaying
ACTIVE CHANNEL
(
*
),
MASTER
channel (
M
),
SLAVE
(
S
) or
TOTAL
(
T
).
Column 2:
Reserved for
polarity
indicator.
Col’s 3 – 8:
Signal monitor. Displays current input signal while in
METER
mode,
AVERAGE
while set
to average readings or
TOTAL
while in
TOTALIZER
mode.
Column 9:
Space
Col’s 10 – 14:
UNITS OF MEASURE
display.
Column 15:
Space
Col’s 16 – 20:
GAS ID
.
5.
KEYPAD
Use to enter
SET POINTS
or to modify the
SETUP
or
CALIBRATION
of control unit.
5.0
Front Panel
CLOSE
HASTINGS
OPEN
OPEN
CLOSE
OPEN
CLOSE
OPEN
CLOSE
1
4
3
2
7
1
4
0
9
3
6
8
2
5
.
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