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Information on the Display
The controller features a user interface that, during normal operation, displays gas reading
information, and also system fault and information messages.
It displays status and configuration information about the system via a menu options accessed
and controlled via four buttons (3 are hidden) below the display, see page 31 and page 32.
An audible alarm sounds whenever an abnormal event occurs, e.g. gas alarm, fault, etc.
3 LEDs below the screen indicate status information - power on (green), gas alarm (red) and fault
(amber).
Caution Gas events occurring at the detector while in menu mode are not
reported at the controller.
At switch on all display icons/text/numbers/
symbols on the display are lit for 1 second.
They then show a warm-up count down from
C180 (3 minutes) to C000.
To skip the warm-up sequence press the
channel's Cancel button for 3 seconds.
The
display
screen
concentration
(both
numerically), range, units, alarm/fault status
and configuration mode.
The diagram shows the display layout.
The meaning of the menu icons is explained
on page 32.
Status Indications
Typical display indications and default relay
status for a particular operational state are
shown in the following examples.
TP1MAN Issue 3 Apr 06 (MAN0630)
shows
the
gas
graphically
and
Range
Bar Graph
Alarm/Fault
Status
ALARM
POWER
Operation
LCD
Units
History Records
Power On History
Record/Relay Act
and Reset
Gas Reading/
Value
Menu Icons
Time/Date
Status LEDs
FAULT
26
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