OPTIONS (Continued)
INSTALLATION
1. Turn the power supply switch to OFF.
2.Remove the power plug from outlet.
3.Remove the plate attached to the bottom rear of the main unit from
the Video board unit mounting bracket (3 mm screw w/spring X 3).
4. Insert the Video board unit into the main unit slot using the guides on the sides.
5.Completely insert the Video board until the plate touches the main unit box.
6. Mount the plate using the 3 screws with spring removed earlier.
7. Affix the enclosed connector label to the marking position on the rear cover.
Connecting the signal input cable
For details, see “Connecting to External Equipment” in the main unit instructions manual.
CAUTION: Follow the items given below, to prevent accidental injuries and possible electrical shock.
Turn off the power supply and disconnect the power plug from outlet before installing the Video board unit. Do not remove the cabinet when installing the Video board unit.
Do not remove screws expect for the specified user service screw marked “ 
”.
Do not use screws other than that specified in this manual for the installation of this Video board unit.