ViewSonic LDP135-151 User Manual page 16

Remote Control Receiver Range
The operating range of the remote control is shown here. It has an effective range
of 20 feet (6 meters), 30
the remote control's signal to the receiver.
POWER
°
degrees left and right. Ensure there is nothing obstructing
16
HDMI AUDIO AUDIO S/PDIF IR IN USB USB LAN HDMI 1 HDMI 2 HDMI 3 HDMI 4 HDMI 5 RS232
OUT OUT IN OUT 5V/1.5A 5V/1.5A (2.0) (2.0) (1.4) (1.4) (2.1)
30°
20 ft
USB C USB A
30°