Hanwei BX176 - Page 13

BX176 portable single gas detector operation manual
10
High alarm:
 extremely rapid sandhi alarm sound
 alarm light flash
 vibration ①
High concentration protection: ②
 Slow sandhi alarm sound
 Alarm light flash
Sensor fault:
 Rapid sandhi alarm sound
STEL alarm:
 Slow sandhi alarm sound
 Alarm light flash
 Vibration ①
TWA alarm:
 Slow sandhi alarm sound
 Alarm light flash
 Vibration ①
Over-range alarm:
 Slow sandhi alarm sound
 Alarm light flash
Time error:
In this status the detector will try to restore the
error automatically, if restoration succeed, the
detector will enter time setup menu, you can
set the detector’s time to be correct, if
restoration fail, the detector will power off