Setting the High Alarm Setpoint
To bypass and retain the current high alarm setpoint value,
. The detector then returns to the normal operation.
When the low alarm setpoint value has been changed or bypassed, the
Set HIGH alarm setpoint screen displays.
to scroll to the required value.
to save the new value and return to normal operation.
If a new value is selected but not confirmed within 10 seconds
, the detector automatically retains the original
value and NO displays. The detector proceeds to normal oper-
When calibration is complete, the detector beeps and vibrates four
times, and the LEDs flash four times before returning to normal opera-
1. After calibration is complete and the detector is in normal opera-
tion, verify calibration by using a gas cylinder other than the one
used for calibration.
2. The gas concentration should not exceed the sensor's detection
range. Confirm that the LCD displays the expected concentration
3. To ensure that the reading is accurate, apply the verification gas
for the same period of time as was applied to the sensor when it
span time was 2 minutes therefore, apply verifica-
tion gas for 2 minutes.