3M™ Protégé sg
Portable, reusable, single-Gas Monitor
OPERATION
087-0065, Rev D/February 2019
5-2
5.2. Operation Buttons
describes the use of operation buttons.
Table 5-1: Monitor LCD Indicators
No.
Description
Mo.
Description
1
Battery Indicator Alarm Condition
Icon
9
TWA Alarm Condition
2
Gas Type
10
STEL Alarm Condition
3
Heart Beat
11
LOW Alarm Condition
4
Gas Reading Or Real Time Clock
12
HIGH Alarm Condition
5
Gas Type
13
IRDA Is On/data Transmission
6
Percentage By Lower Explosive Limit
(%lel)
14
Calibration Indication
7
Parts Per Million (Ppm)
15
Bump Test Indication
8
10-6 = 1 Ppm
16
Peak Gas Exposure
NOTE: The heart beat icon indicates that the monitor is in the gas reading mode and is
working properly.
Table 5-2: Operation Buttons
Function
Button
Action
Description
Turn On
Left
Press and hold the left but-
ton until the countdown is
complete
• Activate the monitor
• During gas monitoring mode, this
action will start the bump test
Clear Peak
or TWA
Value
Press the left button
Clear the Peak or TWA value after
checking the values
Cancel Due
Alarm
Cancel the alarm of sensor calibration
due
Bump Test
Press and hold the left but-
ton in gas monitoring mode
Initiate the bump test
Confirm
Operation
Press left button when oper-
ating
Confirm the selection or operation when
operating. For example, confirm to clear
the peak value.