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MeshGuard LEL IR & CO2 IR User's Guide
Next, if a network is located, an antenna icon appears (if no network is found, then the icon is not
shown; press [Y/+] to search for a network). The current gas concentration reading is also
displayed:
The instrument is now operational.
5.2. Turning The Instrument Off
Hold down the [MODE] key through the "5...4...3... 2... 1... Power Off" sequence.
off when the display is blank. Release the [MODE] key.
The instrument is now off.
5.3. Low Battery Indicator & Action
The internal battery is designed for up to 2 months' continuous operation in STD mode (MeshGuard
LEL IR only), and the external battery for up to 4 months when powering the MeshGuard LEL IR,
up to 80 days when powering the MeshGuard CO2 IR. When the battery gets low, the instrument's
alarm beeps once per minute. It is recommended that the battery be changed immediately, to
minimize disruption.
When the battery is completely depleted, the LCD displays "OFF," and the LED and buzzer alarms
activate once per second. The battery icon also blinks on and off. The instrument shuts down after
you press any key, or shuts down automatically if you do not press a key for 60 seconds.
.
5.4. Over Range Alarm
When a gas concentration exceeds 100% of LEL or 5% of CO
its buzzer and LED are activated.
, the instrument displays "OVR" and
2
16
The monitor is
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