26 CHAPTER 4: OPERATION
087-0065 REV B SCOTT SAFETY
Monitor LCD Alerts &
Alarms
This section describes various alerts and alarms.Table 14 lists the details.
To view the factory default alarm setpoints, refer to “Default Settings” on page 17.
To change the default settings and values, refer to Portable Gas Detection (PGD)
Application User Manual (087-0061).
Table 14 Monitor Alerts and Alarms Descriptions
LCD DESCRIPTION LCD DESCRIPTION
Over Limit Exposure Alarm
• 3 fast LED flashes every 2
seconds
• 3 fast sounding beeps every 2
seconds
• 1 vibration every 2 seconds
• “++++” appears
Negative Drift Alarm
• 1 slow LED flash every 2
seconds
• 1 slow sounding beep every 2
seconds
• 1 vibration every 2 seconds
• “—” and gas reading flashes
High Alarm
• 3 fast LED flashes every 2
seconds
• 3 fast sounding beeps every 2
seconds
• 1 vibration every 2 seconds
• HIGH and gas reading flashes
Low Alarm
• 2 fast LED flashes every 2
seconds
• 2 fast sounding beeps every 2
seconds
• 1 vibration every 2 seconds
• LOW and gas reading flashes
TWA Alarm
• 1 LED flash every 2 seconds
• 1 sounding beep every 2
seconds
• 1 vibration every 2 seconds
• TWA and gas reading flashes
STEL Alarm
• 1 LED flash every 2 seconds
• 1 sounding beep every 2
seconds
• 1 vibration every 2 seconds
• STEL and gas reading flashes
Low Battery Alarm
• Battery icon flashes
• 1 Beep, 1 LED flash and 1
vibration every minute
• The device deactivates with
the countdown (depleted)
Bump Test Due
• BUMP flashes
• DUE flashes
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