58How to Use the Antitheft Alarm FunctionAntitheft alarm function is provided to prevent the projector from being stolen. When this function is set to“On,” the alarm rings as an unauthorized person tries to move the projector.To activate the Alarm function for the first time after purchase, you must turn on the power once.Press the F button three times to turn the alarm function on.The ALARM indicator blinks for a few seconds and theprojector enters the warning mode. (If the battery is notcharged enough for the alarm function to operate normally, itbleeps and the Alarm indicator will blink red every 20seconds.)During the Antitheft alarm function is on, the projector emitsa low-pitched sound when it detects vibration.When the projector does not detect vibration for a fewseconds after the sound, it goes back to the warning mode.When the projector detects more vibrations after the low-pitched sound, the alarm starts ringing.The Alarm operating configuration (Battery charge, Alarmvolume, Sensitivity, and Ringing time) can be selected in themenu. See page 59.Set the alarmRelease the alarm setting✔Notes:•This function is not a guarantee against stealing.•The alarm does not ring while the AC power cord is connected to an outlet even if the projector detects vibrations.•The alarm will stop, as the AC power cord is connected to an outlet, except when the battery cover is open.•Pressing the buttons is always accompanied by a sound. If no sound is produced after pressing a button, you need to press it again.F button Button 1, 2, 3Set and release the Antitheft alarm function✔Notes:•You can test the alarm sound without setting the alarm function.Press and hold the F button, then the alarm starts ringing. Theduration of the alarm sound is the same as the “Ringing Time”setting (p.59).•If you want to stop the alarm while it is ringing, insert the AC powercord to an outlet or press the F button and enter the four-digit PINcode number.The Alarm function is operated by a built-in rechargeablebattery. The alarm will not work properly if the battery is notcharged enough. See page 60 for details.Press the F button and enter the four-digit PIN code numberwithin about 10 seconds. (The default PIN code is set to“1111.”) When the alarm is released, you will hear a high-pitched confirmation sound.When you enter an incorrect PIN code, you will hear a low-pitched sound. If you enter an incorrect PIN code threetimes in a row, the alarm will start ringing.The Alarm setting and release and PIN Code change can bemade without an AC power connection.Top ControlALARM indicatorRear TerminalAntitheft Alarm Function