Attention· No command can be sent or received for 10 to 60 seconds after the lamp starts lighting. Try sending any command afterthat period has elapsed.· When sending several commands, be sure to wait for a response from the projector before sending the next command.When sending commands without parameters, a colon (:) is not necessary.Note· If a wrong command parameter is sent, the projector will send an "ER401" command to the computer.· A projector ID supported on the RS-232C interface is ZZ (ALL) , 01 to 64 and 0A to 0Z.· If a command is sent with a projector ID specified, the projector will respond to the computer only in the following cases:If it coincides with the projector ID,ID specification is ZZ (ALL), orID specification is 0A to 0Z.5.5. Procedure of Communication Condition Settings(1) Press the MENU button.The MAIN MENU screen will be displayed.(2) Press the and buttons to select “OPTION2”.(3) Press the ENTER button.(4) Press the and buttons to select “RS232C”.(5) Press the ENTER button.The RS232C screen will be displayed.(6) Press the and buttons to select communication conditions.(7) Press the and buttons to confirm the setting..(8) Press the MENU button three times.The on-screen indications disappear, and the system returns to thenormal screen.5.6. Control commands5.6.1. Input CommandsItems Commands:Parameters Functions Callback RemarksPOWER PON POWER ON PON Calls back PON even ifREMOTE2 is effective.POF STAND-BY POF Calls back PON even ifREMOTE2 is effective.FREEZE OFZ:0 FREEZE key0=OFF 1=ONOFZ:0OFZ:1 OFZ:1MENU OMN MENU key OMN15PT-D3500U / PT-D3500E