4-4
LEAK TEST MODEUSER HANDBOOK
If a CO sensor is included in
your instrument and the CO
concentration rises above a pre-
set level, the display will change
together with an audible alarm
to attract your attention. If alarm
is enabled, CO alternates with
HIHI until cleared.
To acknowledge the alarm:
• Press and hold ACK .
After acknowledgement of the
alarm, the screen, shown in Fig.
4.7, is displayed.
When CO levels are below alarm concentration, the Centre button
enables return to ammable only. This button can be pressed
at any time to change between Flammable and Flammable + CO.
alternating with
Fig. 4.6 CO Alarm
Fig. 4.7 Alarm Acknowledge
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