Beta 1760/IR500 Mode D'emploi page 22

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Press the " SET " button once. Switch on/off laser and backlight
After turn on the instrument, press the Laser/ Backlight button once to
turn off the laser pointer .Press the laser/ Backlight button again to turn
off the backlight. Press the Laser/ Backlight button for the third time to
turn on the laser pointer, Press the Laser/Backlight button or the third
time to turn on the backlight. When the laser is on the laser icon will
appear on the LCD over the temperature
9. EC declaration of conformity
The 1760 / IR500 product complies with the EMC Directive 2014/30 / EU
and RoHS Directive 2011/65 / EU issued by the commission of the
European Community.