Optoma ZK400 User Manual page 19

SETUP AND INSTALLATION
Effective range
Infra-Red (IR) remote control sensor is located on top of the projector. Ensure to hold the remote control at an
angle within 30° perpendicular to the projector's top or front IR remote control sensor to function correctly. The
distance between the remote control and the sensor should not be longer than 6 meters (~19 feet).
Note:
When pointing the remote control directly (0 degrees angle) on the IR sensor, the distance between the
remote control and the sensor should not be longer than 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 beam.
‡ Make sure the IR transmitter of the remote control is not being shined on directly by sunlight or
fluorescent lamps.
‡ Please keep the remote control at least 2 meters away from fluorescent lamps or the remote control
may malfunction.
‡ If the remote control is close to Inverter-Type fluorescent lamps, it might become ineffective
intermittently.
‡ If the remote control and the projector are too close to each other, the remote control might not
function.
‡ When you aim at the screen, the effective distance is less than 7 meters from the remote control to the
screen and reflecting the IR beams back to the projector. However, the effective range might change
according to screens.
Approx. ±15°
Approx. ±15°
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