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4.
Features
• 6 digits LCD
• auto power-off
• comes with: storage box, wristlet, batteries, user manual
• optional telescopic tripod (not incl.): CAMB17
5. Use
Refer to the illustrations on pages 2 and 3 of this manual.
• Remove the sensor cover [1] by releasing the screw at the back of the
device and sliding the cover upwards.
• Press the ON/OFF button to switch the device on. Press and hold ±2s to
switch it off.
• The device powers off automatically after ±20min. To disable auto-power
off, press and hold the Unit button and press the ON/OFF button. Press
the Unit button to toggle between AP ON and AP OFF and press the
ON/OFF button. The setting is applied when the device is switched on
again. To re-enable auto-power off switch the device off and repeat this
procedure.
• Press the Unit button to switch from lux to ftc (foot-candle) and back.
Note: 1ftc ≈ 10.764 lux
• For correct measurement hold the luxmeter horizontal with the light
sensor [2] facing upwards.
• Press the Func. button to go into hold-mode [A]. The current
measurement remains on the display.
• Press the Func. button again to show the maximum measured value [B].
• Press the Func. button again to show the minimum measured value [C].
• To reset the maximum and minimum values, while in min-mode, press
and hold the Func. button for ±2s.
• Press and hold the Unit button for ±2s to switch on the backlight. Press
and hold again for ±2s to switch it off. The backlight will switch off
automatically after ±60s.
• When the battery indicator [G] is shown, replace the batteries (see §8).
• Always place the sensor cover [1] back when the device is not in use.
6.

Operation tips

• Keep the sensor [2] clean. Do not scratch it while doing so.
• Do not measure outside of the operating range ('OL' is displayed on the
LCD) and do not measure in places with high humidity. Refer to the
technical specifications for more details.
• Consider mounting the device on a tripod (not incl.) for longer and more
stable measurements.
• Make sure the device is at ambient temperature for accurate
measurements.
• Remove the batteries when the device is not used for a long time.
21.01.2010
DVM8050
5
Rev. 01
©Velleman nv

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