(2) Select "EXECUTE" using the or buttons and press the
ENTER button.
Wait aboutfive minutes until the cooling fans stop.
(3) Turn off the MAIN POWER switch on the projector and unplug the power
cord from the outlet.
(4) Follow "11.3" to remove the upper cover.
(5) Remove the connector inserted into A31 on the A-P.C.Board and insert
it into A29.
(6) Install the upper cover.
(7) Plug the projector to the outlet and turn on the MAIN POWER switch.
(8) Check that the indicator lamp at the left of the RS-232-IN terminal
illuminates in green.
Pin Assignments in the RS-422 Control Mode
19
PT-D7700U / PT-D7700E