4. ANALYZER OPERATION
When the analyzer turns ON, it shows the main detection screen with CO, O2,
COAF and EA measurements. When in this main mode of operation, the options
are as follows:
ON/OFF: Press POWER button for 3 seconds. After self-check, gas detection
begins and levels are show. Backlight in ON for 15 secs then turns off.
UP ARROW: When pressed will show date, time and battery life remaining. The
detector has a built-in lithium battery and can be charged via micro-USB. Before
charging, TURN OFF the detector to avoid any potential damage. During
charging, the detector cannot detect gas.
DOWN ARROW: No function when not in MENU mode. Press anytime to
momentarily turn on the backlight.
MENU MODE: Quickly press POWER button to enter main MENU OPTIONS. Use
UP and DOWN buttons to make your selection, then press POWER button to
select. Menu option selections are as follows:
- ZERO SET: User operation for ZERO calibration
- ZERO TUNE: Factory operation only
- GAS CHECK: User operation for SPAN calibration
- ALARM RECORD: User operation for ALARM record
- LOW ALARM: User operation for ALARM setting
- HIGH ALARM User operation for ALARM setting
- TIME SET: User operation for TIME setting
- EXIT Exit to main menu
- SHUTDOWN Shutdown the Analyzer
- CHANNEL SET: Factory operation only
ZERO SET: Use this option when you need to undertake a ZERO calibration. This
enables a ZERO baseline for maximum accuracy. For the CO sensor, simply
expose it to fresh air. For the O2 sensor, use a pure Nitrogen gas bottle source
with a flow of 0.5 LPM. Expose to ZERO air for 1 minute using a certified gas
bottle delivered to the sensor via the sensor cap provided. Select Gas to ZERO
with up/down arrow. Then press SAVE to register the Zero reading. If you see
the CO sensor is wandering (above 2ppm) after 2 minutes exposed to fresh air,
undertake a ZERO calibration of the CO sensor. If the CO sensor wanders 1 or
2ppm, it is normal.
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