Optoma EP1690 User Manual - Page 32

User Controls Options | Security Setting Security Timer Can be select the month/day/hour function. Month Can be select the month function to set the number of month the projector can be used . Once the time has elapsed you will be requested to enter your password again. Day Can be select the day function to set the number of day the projector can be used . Once the time has elapsed you will be requested to enter your password again. Hour Can be select the hour function to set the number of hour the projector can be used . Once the time has elapsed you will be requested to enter your password again. Security  On: Choose "on" to use security verification when the turning on the projector.  Off: Choose "Off" to be able to switch on the projector without password verification. Change Password Use number buttons to select your password, and then press "Enter" key to confirm your selection. 1. Scroll down to highlight Change Password, and press "Enter" to input old password. 2. The Password is 4 digits, DEFAULT VALUE is "0000" (first time). 3. Enter new Password (4 digits) and press "Enter". 4. Enter new Password again to confirm and press "Enter". English 32