Sharp PN-L803C Service Manual page 123

24-5. REGISTER TOUCH PEN
When the channel is changed, all registered touch pens are deregistered. The touch pen registration must be done. (paring) from the
[Touch Pen Settings] of [Touch Pen] in the launcher.
Regarding the registration of the touch pen, refer to the operation manual for the LCD monitor.
24-6. CONFIRM OPERATION
Disconnect the touch pen adaptor from the PC and connect the touch pen adaptorto the monitor.
Start up the SHARP Pen spftware and confirm the operation.
-> When the communication state is poor, perform the [24-3. CONNECTING THE TOUCH PEN ADAPTOR] and [24-4. CHANGE THE
COMMUNICATION CHANNEL OF THE TOUCH PEN ADAPTOR] again.
PN-L803C/80TC3 SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES 4- 57