NEC PA1705UL-W Installation Manual page 178

About [OPTION COVER]
This is used to check whether the option cover (separately sold) needs to be attached when the
projector is installed at an angle.
- / -
A / -
- / B
A / B
[HDBaseT]
SIGNAL QUALITY
LINK STATUS
[Art-Net(1)]
Ch1
Ch4
Ch7
[Art-Net(2)]
Ch10
Option cover is not required
Only option cover A needs to be attached
Only option cover B needs to be attached
Both of option covers A and B need to be attached
Ch2
Ch5
Ch8
Ch11
OPERATION MODE
HDMI STATUS
Ch3
Ch6
Ch9
Ch12
143
5. Using On-Screen Menu