Sharp EL-99T, Operation Manual

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2. About the power supply
The OHP projection panel requires the operation batteries. Install all four included batteries one
by one before the first usage. The OHP projection panel controller also requires two kinds of
batteries, one for its operation and the other for its memory backup. Install all four included
batteries one by one before the first usage. As for the OHP projection panel controller, refer to the
EL-9900 operation manual to find out how to install the operation batteries. Note that the memory
backup battery has been installed at the factory at the time of shipment.
Inserting the batteries for the OHP projection panel
(1) Open the battery cover located on the back of the OHP projection
panel.
Pull down the notch, then lift up and remove the battery cover.
(2) Insert the batteries as illustrated.
Make sure that the batteries are inserted in the correct directions.
(3) Place the battery cover back until the notch is snapped on.
When the batteries need to be replaced
OHP projection panel
• The following occasions indicate the operation batteries are
depleted.
• When the Battery Caution LED lights, or
• When nothing is displayed on the OHP projection panel during
operation.
Replace the batteries immediately if any one of the above occurs.
(1) Open the battery cover located in the back of the OHP projection panel.
Pull down the notch, then lift up and remove the battery cover.
(2) Replace all the four AA batteries as illustrated in "Inserting the batteries for the OHP
projection panel", described above.
(3) Place the battery cover back until the notch is snapped on.
OHP projection panel controller
• The following conditions indicate the main batteries are depleted.
• Nothing is displayed even if the
O
key is pressed.
• The power suddenly goes off in the middle of operation.
• The batteries replacement message is displayed.
Replace the batteries immediately if any one of these conditions occurs.
BATTERY
CAUTION SCREEN
RESET
CONTRAST