Viewsonic PJD5234L User Manual

48

A mode for operation in high altitude areas. See 

"Operating in a high 

altitude environment" on page 36

 for details.

Enables or disables the DCR (Dynamic Contrast Ratio) function. 
Selecting On enables the function and the projector will 
automatically switch the lamp mode between normal and economic 
modes according to the input image detected.

The sound adjustments made as below will have an effect on the 
projector speaker. Be sure you have made a correct connection to the 
projector audio input/output jacks. See 

"Connection" on page 15

 for 

more details.

Mute
Mutes the sound received from AUDIO IN.

Volume
Adjusts the sound level received from AUDIO IN.

Menu Display Time
Sets the length of time the OSD will remain active after your last key 
press. The range is from 5 to 30 seconds in 5-second increments.

Menu Position
Sets the On-Screen Display (OSD) menu position.

Closed Caption Enable
Activates the function by selecting On when the selected input signal 
carries closed captions.

•

Captions: An on-screen display of the dialogue, narration, and 
sound effects of TV programs and videos that are closed 
captioned (usually marked as "CC" in TV listings).

Selects a preferred closed captioning mode. To view captions, select 
CC1, CC2, CC3, or CC4 (CC1 displays captions in the primary 
language in your area).

Lamp Mode 
See

"Setting Lamp Mode as Economic" on page 51

 for details.

Reset Lamp Timer
See

"Resetting the lamp timer" on page 55

 for details.

Equivalent Lamp Hour
See

"Getting to know the lamp hour" on page 51

 for details on how 

the total lamp hour is calculated.