Heath Consultants GT Series - Manual (Page 51)

4-9
LEAK TEST MODE
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 .