User Manual
11
4.2.2 A
LARM
AND
P
OWER
I
NDICATORS
Figure 4–4 shows the device’s alarm and power indicators.
Low/Medium Priority
Alarm LED (Yellow)
AC Power
Indicator (Green)
DC Power
Indicator (Green)
High Priority
Alarm LED (Red)
Figure 4–4 Alarm and Power Indicators
Th
e
green
AC Power
LED lights up when the device is connected
to AC Power.
Th
e
green
DC Power
LED lights up when the device is connected
to DC power.
Th
e
red
High Priority Alarm
LED lights up when a high priority
alarm occurs.
Th
e
yellow
Low/Medium Alarm
LED lights up when a medium
or low priority alarm occurs.
NOTE:
All LED indicators temporarily turn on when the device is fi rst plugged in.
4.2.3 D
ISPLAY
S
CREEN
Th
e display shows you the measured pressure and displays alarm messages. A backlight activates when any
of the buttons are pressed and remains on until there are no buttons pressed for one minute. Figure 4–5
shows the display screen.
Figure 4–5 Display Screen