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LEAK TEST MODEUSER HANDBOOK
To switch ON the ashlight:
• Press and hold the Centre button again.
The backlight and ashlight are both timed to switch OFF after two
minutes. Both can be switched OFF by a third press and hold of the
Centre button .
4.5.5 Max / Live
To show the Maximum readings:
(since the mode was selected)
• Press and hold the LH button .
To return display to the live reading.
• Press and hold the LH button again.
Note 1: If the instrument is in alarm, the Max function cannot be
used until the alarm is Acknowledged.
Note 2: If no button is pressed, after 30 seconds the display reverts
to live reading.
4.5.6 Alarm Acknowledge
Non-latching can be muted for one (1) minute or, when the
concentration drops below the alarm level, the alarm will automatically
cancel.
Latched Alarms can be muted temporarily for one minute or cancelled
permanently when the display level is below alarm level.
To acknowledge / mute latched alarms:
• Press and hold the LH button .
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