User`s manual

doc-3331-2 OverView cDG67-DL (August 2003) 6-6
6.5 Lamps Menu
Use the
Lamps menu to select the active lamp, an operation mode, to optimize the lamp adjust-
ment, and to see and modify runtimes.
6.5.1 Active L amp
OVERVIEW CDG67-DL has a dual lamp system for 100% availability of the projector. The mode
of operation can be selected via the command
Mode of the Lamps menu:
BrightnessStatus
OverView DG
Operation
Active Lamp
4
Mode
History...
Lamp Optmizaton...
4
4
Runtimes...
Reset runtime
Top
Bottom
Lamps
Figure 6-7
Lamps menu, Mode
The active lamp is the one illuminating the DMD. The currently selected active lamp is indicated
with a white dot.
Proceed as follows to change the active lamp
 Use the cursor key to highlight
Active Lamp.
 Press
Enter to select.
 Use the cursor key to highlight the desired active lamp
 Press
Enter to select.
Depending on the operation mode of the projector, changing the active lamp initiate different ac-
tions:
Cold Standby or Auto Switch mode
In this operation mode, the active lamp is on, the second lamp is switched off. Therefore when
changing the active lamp, the second lamp first has to be switched on (and the other lamp is
switched off). Since a lamp requires some time to burn stable, the displayed image will first have
reduced brightness. After some instants the image will show the former brightness.
In these operation modes, a subsequent change of the active lamp is only possible
after the cool down cycle of the first lamp (about 30sec).
Hot Standby mode
In this operation mode, both lamps are switched on. Therefore when changing the active lamp,
there is no noticeable impact on the displayed image (both lamp are adjusted to have the same
brightness).
Since both lamps are one, a second subsequent change of the active lamp is immediately possible.