2. Detaching the OHP projection panel and the
(1) Press @ o of the OHP projection panel controller to turn the power off.
(2) Unplug the cable connector from the controller. Pull straight while pressing the buttons on
both sides of the connector when you unplug the connector from the controller.
The OHP projection panel will automatically turn off.
(3) Remove the cable band from the overhead projector pole.
3. Using the OHP projection panel controller separately
The OHP projection panel controller can be used separately as a regular graphic scientific
calculator.
Please refer to the EL-9900 operation manual on how to use the graphic scientific calculator.
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OHP projection panel controller