Omega Vehicle Security OS643-LS User Manual download pdf (Page 8)

OPERATING INSTRUCTIONS

Push buttons

Display Back-Light Button

Release MEAS button then press " " button to toggle between turning on and

off the Back-Light. When releasing the MEAS button the Back-Light will turn off

automatically after 15 seconds to extend battery life.

Laser Marker Button

Release MEAS button then press " " button to turn on the Laser Marker

annunciator. If " " annunciator is turned on, press MEAS button and the laser

marker beam will be emitted. Releasing MEAS button will turn off the laser marker

beam.

MEAS (MEASURE) Button

Depress MEAS button to turn on the meter for measuring temperature. Release

the MEAS button to stop measuring temperature and automatically hold the

display reading. The meter turns off automatically after 15 seconds.

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Omega Vehicle Security OS643-LS User Manual Page 8