Nortel Networks 83c User Manual

Page of 118
Fine-tuning the Projector
67
Disabling the Projector’s Buttons
You can use the Operation Lock function to disable all the projector’s 
buttons, or all the buttons except for the P
Power
 button. 
1. Press the 
Menu
 button.
2. Select the 
Settings
 menu and press 
Enter
.
3. Use the up and down arrow buttons to select 
Operation Lock
 
and press the 
Enter
 button.
4. Select 
Full Lock 
to disable all the buttons, or
 Operation Lock 
to 
disable all except the
 
P
Power
 button.
 
Then press 
Enter
.
5. Select 
Yes
 and press 
Enter
 to confirm the setting.
6. Press the 
Menu
 button.
Installing Security Locks
You can install two different types of security locks on the projector:
You can use the security slot on the base of the projector to install 
a Kensington Microsaver Security System. See page 13.
You can use a wire lock to secure the projector to a room fixture 
or heavy furniture, as shown below:
note
To cancel Operation Lock, 
press the projector’s 
Enter
 
button for 7 seconds.