Omega OS642F-LS - Manual (Page 8)

6
OPERATING INSTRUCTIONS
Push buttons
Display Back-Light Button
Release MEAS button then press " " button to toggle between turn on and turn
off the Back-Light. When releasing MEAS button Back-Light will turn off auto-
matically after 15 seconds to extend battery life.
Laser Marker Button
Release MEAS button then press " " button to toggle between turn on and turn
off the Laser Marker annunciator, If " " annunciator turn on, press MEAS button
the laser marker beam is being emitted, releasing MEAS button turn off the laser
marker beam.
MEAS (MEASURE) Button
Depress MEAS button to turn on the meter for measuring temperature. Releasing
MEAS button to stop measuring temperature and automatically hold the display
reading, the meter turns off automatically after 15 seconds.