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40 Using Your Projector
OSD warning messages - low battery
• The Low Battery warning message pops up when the battery voltage is
lower than 2 V. At this condition, the pen can still work about 1~2 hours.
• The pen will be disabled when the battery voltage is lower than 1.8 V.
OSD warning messages - out of range
The situations below may cause the pen sensor out of range:
• The pen doesn't point toward the screen.
• The pen is too far away from the screen.
• The projector’s brightness is too low for detection.
Combinations of buttons
• Right + Function (for Master Pen only): The Slave Pen set function
menu appears on the screen.
• Left + Function: The Pen Information menu appears on the screen.
• Hold Function: Hold the Function button for 2 seconds and the
Function mean will appear on the screen. Use Left/Right to move
up/down and use Function to enter/apply.
2 Left This button acts like the left click button of a
mouse.
3 Function Functions available are listed in the OSD Menu
"Set function" (see page 70).
NOTE: Double-clicking the Function button
will act as Undo, if supported by the
software.
4 Mini USB charge
connector
Allow you use Mini USB cable to charge. See
"Charging the Interactive Pen Battery" on
page 44.
5 LED indicators Two LED indicators are available: Green and
Amber (see on "Interactive Pen LED Guiding
Signals" on page 115).
6 Right This button acts like the right-click button of a
mouse.
7 Power switch Turns the Interactive Pen on or off.
8 Firmware upgrade
connector
For Interactive Pen and RF board firmware
upgrade.