Setting Alarm Setpoints; Installing/Replacing The Battery; Replacing Sensor Assembly - MSA MiniOX 710965 Instruction Manual

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Section 3, MiniOX Responder
appear on the display. The monitor then spans
the instrument. When calibration is complete, the
instrument beeps three times. Within the next
five seconds, if you press and hold the Power
Peak button for two seconds, you will be able to
change the alarm settings.

Setting Alarm Setpoints

If alarm setpoints have been engaged (see
"Calibration Check"), the descriptor "↑SET↓"
appears at the bottom of the display, the "W"
lights and the previous warning level displays.
Press the ↓ (Zero) and ↑ (Reset) to adjust
the reading to the new desired levels; once
the reading shows this number, press the Power
Peak button to accept the reading.
The descriptor "↑SET↓" and an "A" will then
display. The alarm level is entered by the
same method. After accepting the alarm level,
the monitor returns to the concentration reading
display.

Installing/Replacing the Battery

Remove belt clip by pressing the two tabs near
the top and releasing from the back. Remove
the two slotted head screws on the back of the
case, located under the clip. Remove the 9-V
battery from the snap connector and replace
with a fresh 9-V battery or install a fresh 9-V
battery for first time use. Replace the battery
cover and two slotted screws; snap the belt clip
back. Wait one minute before turning the
instrument ON and zeroing it. The instrument
will not turn ON for 45 seconds. The backlight is
ON and --- is displayed during this period.

Replacing Sensor Assembly

Remove the phillips screw from the sensor
assembly. Rotate approximately 15
Pull assembly out and place it into the
instrument. Rotate approximately 15
counterclockwise. Insert Phillips screw
and tighten.
3-4
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