5Basic OperationWhat is PIN code?PIN (Personal Identification Number) code is a security codethat allows the person who knows it to operate the projector.Setting a PIN code prevents unauthorized use of the projector.A PIN code consists of a four-digit number. Refer to the PINcode lock function in the Setting Menu on pages 63, 64 forlocking operation of the projector with your PIN code.CAUTION ON HANDLING PIN CODEIf you forget your PIN code, the projector can nolonger be started. Take a special care in settinga new PIN code; write down the number in acolumn on page 94 of this manual and keep iton hand. Should the PIN code be missing orforgotten, consult your dealer or service center.Press the ON/STAND-BY button on the side control orthe STAND-BY button on the remote control, and Poweroff? appears on the screen.Press the ON/STAND-BY button on the side control orthe STAND-BY button on the remote control again toturn off the projector. The LAMP indicator lights brightand the POWER indicator turns off.1TO MAINTAIN THE LIFE OF THE LAMP, ONCE yOU TURNTHE PROjECTOR ON, WAIT AT LEAST FIVE MINUTESBEFORE TURNING IT OFF. When the projector has cooled down enough, thePOWER indicator lights green and then you can turn onthe projector.Power off? disappears after 4 seconds.✔Note:• When the Direct On function is set to On, the projector willbe turned on automatically by connecting the AC power cordto an AC outlet (p.62).• The running speed of cooling fans is changed according to thetemperature inside the projector.• Do not put the projector in a case before the projector iscooled enough.• If the WARNING TEMP. indicator blinks red, see “WarningIndicators” on page 78.• The projector cannot be turned on during the cooling periodwith the POWER indicator turned off. You can turn it on againafter the POWER indicator becomes green again.DO NOT OPERATE THE PROjECTOR CONTINUOUSLyWITHOUT REST. CONTINUOUS USE MAy RESULTIN SHORTENING THE LAMP LIFE. TURN OFF THEPROjECTOR AND LET STAND FOR ABOUT AN HOURIN EVERy 4 HOURS.Turning Off the ProjectorDirect OFF functionYou can disconnect the power cord from the walloutlet or turn off the breaker even during projectionwithout pressing the ON/STAND-BY button.✔Note:• When using the Direct OFF function, you cannotrestart the projector immediately after the power isdisconnected. If the external power supply is suddenlycut off, the fan stops immediately. The lamp remainshigh temperature and needs to be cooled.