Batteries; Headphones; Performing A Measurement; Perform The Measurement - Rothenberger ROLeak Aqua Plus Instrucciones De Uso

4.3

Batteries

The device is delivered with the following batteries: 2 x 1,5 V AA LR6
A NiMH accumulator of the same size can be used as an alternative.
A flashing battery symbol appears at the top in the display for a low battery level.
Empty batteries can be replaced. To do this undo the screw on the underside of the device and
remove the cover. Ensure that you achieve the correct polarity when inserting the new batteries.
Then attach the cover again and tighten the screw carefully. Do not overtighten!
Attention! Always act carefully and without using force in order not to damage
components.
4.4

Headphones

The device is delivered with the wireless headphones: These have the following control ele-
ments:
ON / OFF On/Off switch
TUNE Frequency selection knobs
VOL Loudness knobs
The wireless headphones are driven by the following batteries: 2 x 1,5 V AAA LR03
For a low battery level the radio contact between the device and headphones breaks off.
To change the batteries, turn the ear pads for the left earpiece counterclockwise over a light re-
sistance and remove it. Ensure that you achieve the correct polarity when inserting the new bat-
teries.
5

Performing a measurement

5.1

Perform the measurement

We recommend the following procedure to perform a measurement:
• switch on the headphones, but do not put them on yet
• set the headphones loudness to "quiet" (set the "VOL" control slightly above the minimum
setting)
• put on the headphones
• switch on device (I/O button
• set the headphones to the correct radio frequency ("TUNE" control)
• Switch the headphones to "mute" (I/O button);
• the symbol appears on the screen
• Set the frequency filter being used to "ALL" (filter button
• Perform a measurement once on the I/O button.
• The headphones are activated and the recorded noise is reproduced. The level of noise is
displayed on the screen.
• Alter the frequency filter being used if necessary (filter button)
• Press the I/O button before every implementation of the device!
• The currently running measurement is ended by this and the headphones are switched to
"mute". An arrow on the bar indicator in the display marks the last measured value. The
screen display is frozen until the next measurement.
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