ViewSonic PJD2121 Guia do Utilizador descarregar pdf (Página 11)

Remote control effective range

Infra-Red (IR) remote control sensor is located on the

Back of the projector. The remote control must be held at

an angle within 30 degrees perpendicular to the

projector's IR remote control sensor to function correctly.

The distance between the remote control and the sensor

should not exceed 8 meters (~ 26 feet).

Make sure that there are no obstacles between the remote

control and the IR sensor on the projector that might

obstruct the infra-red

Replacing the Battery

1. Pull out the battery, Please follow the illustrated

instructions. Push and hold the locking arm while

pulling out the battery holder.

2. Insert the new battery in the holder. Note the positive

polarity should face outward.

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ViewSonic PJD2121 Guia do Utilizador Página 11