Knoll HDP420 - Manual (Page 24)

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7. Install the new lamp housing and tighten the screws.
8. Replace the lamp door.
9. Replace the base or ceiling mount plate, if necessary.
Service menu
10. Plug in the power cord and press the Power button
on the remote to turn the projector back on.
11. To reset the lamp hour timer, navigate to the
Settings>Service menu and select Reset
Lamp Hours. See page 22 for details.
Remote control discrete codes
You can use these codes to program another remote to learn the projector’s remote functions.
To activate discrete mode, press and hold the Custom button on the remote for 10 seconds. The
backlight blinks twice when discrete mode is entered. The remote buttons are now remapped to
new functions as listed below. To return to normal remote mode, press and hold the Custom
button on the remote for 10 seconds. The remote also returns to normal mode automatically if no
activity is detected for two minutes.
Table 5: Remote control discrete codes
Function Description
Remote Button
Power off Turns power off Navigates up
Power on Turns power on Navigates down
Native resize Selects Native resize Resize
16:9 resize Selects 16:9 resize Overscan
4:3 resize Selects 4:3 resize Source
Letterbox resize Selects letterbox resize Custom
Natural wide resize Selects natural wide resize Auto image
User preset 1
Selects users preset 1 Source 1
User preset 2 Selects user preset 2 Source 2
User preset 3 Selects user preset 3 Source 3
Projector dimensions for ceiling mount installations
All values in millimeters (mm).