ViewSonic PJD7822HDL User Guide - Page 53
High Altitude, Audio Settings, Menu Settings, Closed, Caption, Lamp Settings, AUDIO IN, Volume
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5. SYSTEM SETTING: ADVANCED menu Function High Altitude Mode DCR Description A mode for operation in high altitude areas. See "Operating in a high altitude environment" on page 35 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. This function is only available when a PC source is in use. After enabling DCR, frequent lamp mode switching may shorten lamp life and noise level will vary during operation. 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 14 for more details. Audio Settings Mute Mutes the sound received from AUDIO IN. Menu Settings 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. Closed Caption • 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). This function is only available when a Composite video or SVideo input signal is selected and its system format is NTSC. Caption Version 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 49 for details. Reset Lamp Timer Lamp Settings See "Resetting the lamp timer" on page 53 for details. Equivalent Lamp Hour See "Getting to know the lamp hour" on page 49 for details on how the total lamp hour is calculated. 46