User's Manual

3
Note
1. Do not insert battery into the device in the wrong direction.
2. Do not leave bad or exhausted battery in the device
3. If you do not use the device for a long period of time, remove
the battery to avoid possible damage from battery corrosion.
4. If the device does not function correctly or if the operating
range becomes reduced, try to replace the battery with new
one.
Ⅳ
. Operating Hints
For optimal performance and RF reception place the receiver
at least 15cm away from all electrical devices, such as your
monitor, speakers or external storage devices.
Please make sure your fingers don't contact the touch key
when turning on the power switch, otherwise, the touch key
may not work. Please keep waiting in case of improper
operation, the function will resume automatically around 10
seconds.
It is normal phenomenon that if hold down the laser button for
5 seconds， the laser will become brighter. （for green laser
presenter only）
The laser button can't keep working above 20 seconds, which
may cause the product damaged. （for green laser presenter
only）
It's normal phenomenon if no laser or weak laser under low
temperature, please reuse after preheating. （for green laser
presenter only）