Optoma EP761 Manual page 36

User Controls
Setup | Security
36
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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.
Security Timer
Can be select the time (Month/Day/Hour) function
to set the number of hours the projector can be used.
Once this time has elapsed you will be requested to
enter your password again.