Page 10 709-RVC NLP Manual
7. To set the alarm point, the GREY button increases the value,
the FRESH button decreases the value, and the BLACK
button cycles through the trip polarity and the inclusion in the
common alarm output. The BATT button saves and returns
to the previous menu. The alarm point can be from 0% to
99%. If the FRESH or GREY buttons are held down, after 1
second the numbers will change quickly.
Trip Polarity: While the BLACK button is held down, the display
shows “Hi” on the left for a high level alarm or “Lo” for a low level
alarm. After the button is released, the left digit shows “H” for a
high level alarm which means the alarm turns on (closes) when the
uid level is equal to or higher than the set point, and the alarm is
o (open) when the uid level is below the set point. An “L” shows
a low level alarm which means the alarm turns on (closes) when
the uid level is below the set point, and the alarm is o (open)
when the uid level is equal to or above the set point.
Inclusion in the Common Alarm Output: While the BLACK
button is held down, the display shows an “i” on the right if the
alarm is included and an “n” if not included. After the button
is released the decimal on the right indicates that the alarm is
included in the common alarm output. If any of the included
alarms are on, then the common alarm is on. All of the included
alarms must be o for the common alarm to be o.
To program the display as primary or secondary:
An optional second display can be added to the system. This allows
for a display in the service bay and one inside the coach. To avoid
reading errors when using dual displays, one display needs to be
set to secondary mode. A display in secondary mode monitors
the primary displays sender requests and will only scan the tank
levels at a much slower rate if the primary display is disconnected.
The alarms are inactive on the secondary display.
To program a display to be either primary or secondary display:
1. Press and hold the BATT and FRESH buttons while powering
up the display.
2. The display will show “Scn” for 5 seconds, then change to
“SEC” or “Pri” depending on current programming.
3. The FRESH button sets the mode to PRIMARY, the GREY
button to SECONDARY and the BATT button saves and exits.
W NOTE: The battery voltage is calibrated at the factory; this
should never need to be changed.
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