This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method (e.g. photocopying, microfilming or capturing in
electronic data processing systems) requires prior written approval from the publisher. Reprinting, also in part, is
prohibited. This publication reflects the technical state at the time of printing.
Copyright 2019 by Conrad Electronic SE.
*2144002_v1_0919_02_dh_m_en(1)
Charging the Battery
Charge the battery before using the product for the first time.
The LED indicator (2) flashes red when there is insufficient battery power remaining. When this
occurs, follow the steps below to recharge the battery:
• Insert the USB-C
TM
plug on the USB cable into the USB-C
TM
charging port (8) on the product.
• Connect the USB-A connector on the
cable to a USB port on a computer or another suitable
USB power source, such as a USB power adapter.
• The LED indicator (2) will flash red/blue to indicate that the battery is charging. After a few
minutes, the LED indicator (2) will switch to constant blue to indicate that the battery status
is no longer critically low.
Depending on the remaining battery level, the battery takes approximately 1 hour to
charge.
• An overcharging function prevents the battery from overcharging. Charging stops
automatically when the battery voltage is greater than 3.7 V.
• Disconnect the product from the USB power source when the battery is fully charged. The
device is now fully charged and ready for use.
Operation
a) Power ON / OFF
Slide the power switch (7) to the ON position to begin use.
Slide the power switch (7) to the OFF position when finished using.
b) Button functions
Button
Function
Press and hold to activate the laser pointer, and release to deactivate. The LED
indicator (2) will turn red when the laser is on.
Press to return to the previous page.
Press to go the next page.
Press to start or stop a “slideshow”.
Press and hold for “black screen”, press to return to presentation.
+
Press to increase the volume.
-
Press to decrease the volume.
c) Bluetooth Pairing
• Activate Bluetooth on your host device.
• Press the button (4) and button (5) at the same time. The LED indicator (2) will blink red
to indicate it is ready to be paired.
• On your host device, search for “R250BT”. When the LED indicator (2) stops blinking, pairing
is complete.
• The presenter is now ready for use.
d) Using the presenter with a supported application
The presenter provides full functionality for “MS PowerPoint, Apple
®
Keynote”. For “Google
Slides” the blackout screen function is not supported.
• Slide the switch (7) to the ON position to turn the power on.
• Launch your presentation software, and open the desired presentation file:
- Press (6) to start a slideshow.
- Press (4) or (5) to change slides.
- Press (6) to exit slideshow.
Care and cleaning
• Always disconnect the product from the power supply before cleaning it.
• Slide the power switch (7) to the OFF position.
• Never use aggressive detergents, rubbing alcohol or other chemical solutions, as these may
damage the housing or cause the product to malfunction.
• Use a dry, lint-free cloth to clean the product.
Declaration of Conformity (DOC)
Conrad Electronic SE, Klaus-Conrad-Straße 1, D-92240 Hirschau, hereby declares that this
product conforms to Directive 2014/53/EU.
Click on the following link to read the full text of the EU declaration of conformity:
www.conrad.com/downloads
Select a language by clicking on the corresponding flag symbol, and then enter
the product order number in the search box. The EU Declaration of Conformity is
available for download in PDF format.
Disposal
Electronic devices are recyclable waste and must not be placed in household waste.
At the end of its service life, dispose of the product according to the relevant statutory
regulations. You thus fulfil your statutory obligations and contribute to protection of
the environment.
Technical data
Input voltage ................................. 5 V/DC. 500 mA via USB-C
TM
Rechargeable battery ................... LiPo 3.7 V, 300 mAh (built-in)
Charging time ............................... 1 hour
Battery life ..................................... Approx. 30 hours (when fully charged)
Power ........................................... 7 mA
Laser class ................................... 2
Laser wavelength ......................... 650 nm
Laser power .................................. <1 mW
Bluetooth ...................................... 5.1
Bluetooth name ............................ R250BT
Transmission distance .................. Approx. 15 meters
Transmission frequency................ 2.403-2.475 GHz
Transmission power...................... 0 dBm
Supported applications ................. MS PowerPoint, Apple
®
Keynote, Google Slides
Supported operating systems ....... Windows
®
98 (and above)
Mac OS 10.4 (and above)
Operating conditions ..................... -10 to +45 °C, 10–85 %
relative humidity (non-condensing)
Storage conditions ........................ -20 to +80 °C, 10–85 %
relative humidity (non-condensing)
Dimensions (W x H x D) .............. 135 x 28 x 12 mm
Weight .......................................... 55 g
