3M™ Protégé sg
Portable, reusable, single-Gas Monitor
OPERATION
087-0065, Rev D/February 2019
5-6
5.7. Deactivating the Monitor
Perform the following steps to power off the monitor:
1. Press and hold both the left and right buttons simultaneously.
2. The LCD displays Power Off and counts down from 5 to 0.
3. Release both buttons when PWROFF displays.
TWA Alarm
• 1 LED flash every 2 sec-
onds
• 1 sounding beep every 2
seconds
• 1 vibration every 2 sec-
onds
•
TWA
and gas reading
flash
STEL Alarm
• 1 LED flash every 2 sec-
onds
• 1 sounding beep every 2
seconds
• 1 vibration every 2 sec-
onds
•
STEL
and gas reading
flash
Low Battery Alarm*
• Battery icon flashes**
• 1 beep, 1 LED and 1 vibra-
tion every minute
• The device deactivates
with the countdown
(depleted)
Bump Test and Calibration
Due
•
BUMP
flashes
•
CAL
flashes
Error Alarm
•
EOX
flashes
• 3 fast LED flashes every 2
seconds
• 3 fast sounding beeps
every 2 seconds
• 1 vibration every 2 sec-
onds
• The device power off with
the countdown
Calibration Due
•
CAL
flashes
•
DUE
flashes
*Each line of the battery level indicator represents approximately 25% of battery time remaining.
**The battery level indicator flashes when approximately 5% battery life remains.
Table 5-4: Monitor Alerts and Alarms Descriptions (continued)
LCD
Description
LCD
Description
H
2
S
PPM
TWA
H
2
S
PPM
STEL
CO
PPM
CO
BUMP
PPM
O
2
CO
CAL
PPM