RKI Instruments GX-2012 Manual - Manual (Page 18)

10 • Instrument Description GX-2012 Operator’s Manual
Buzzer
One solid-state electronic buzzer is located inside the case. Holes on the top
front of the case allow the sound to exit the case. The buzzer sounds for gas
alarms, malfunctions, low battery voltage, and as an indicator during use of
the GX-2012’s many display and adjustment options.
Vibrator
A vibrating motor inside the GX-2012 case vibrates for gas alarms, unit
malfunctions, and as an indicator during normal use of the various modes of
the GX-2012.
Batteries
Three AA-size alkaline batteries (standard) or an optional rechargeable
lithium ion battery pack (3.7 VDC) power the GX-2012. Instrument run time
is dependent upon battery type. At 25°C the alkaline batteries last up to 15
hours and the lithium ion battery pack lasts up to 10 hours. The battery icon
in the upper right of the LCD shows remaining battery life.
When the GX-2012 detects a low battery voltage, a low battery warning is
activated. When battery voltage is too low for normal operation, the GX-
2012 sounds a dead battery alarm.
The alkaline batteries can be replaced by removing the battery cover on the
back of the case. The lithium ion pack can be replaced by removing the entire
battery pack. Push the battery pack latch on the bottom of the unit toward the
front of the unit to release the pack.
The lithium ion battery pack can be recharged by placing the GX-2012 in its
optional battery charging station or by placing the battery pack in the
charging station.
NOTE: Use of batteries or battery chargers not specified by RKI
Instruments, Inc. will void the CSA classification and may void the
warranty. See “Replacing or Recharging the Batteries” on page 146.
WARNING: To prevent ignition of a hazardous atmosphere, batteries
must only be changed or charged in an area known to be
nonhazardous.