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5.3. Gas Alarm Examples
5.4. Gas Alarm Options
5.4.1. Latching/Non Latching
Alarms are individually programmable to be either latching or non-latching:
• Latching - alarms can only be reset once gas readings have returned to a safe level. To
reset, press and hold the AL ACK
• Non-Latching - alarms will automatically reset when the gas readings have returned to a
safe level.
5.4.2. Acknowledging
User can acknowledge a latching alarm by pressing and holding the AL ACK
only be done after the atmosphere has returned to safe concentrations.
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Revision D
Figure 23: LOLO Oxygen Alarm
Figure 24: HIHI LEL Alarm
Figure 25: STEL H
Figure 26: LTEL H
2
button.
PORTABLE GAS DETECTOR
S Alarm
2
S Alarm
GT-FIRE
button. This can
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