BenQ Projector SU917 User Manual

Operation 61
FUNCTIONDESCRIPTION
Presentation 
TimerReminds the presenter to finish the presentation within a certain 
time frame. See Setting the presentation timer on page 44 for 
details.
Timer Period
Sets a preferred length of time for presentation.
Timer Display
Sets whether to display the timer on screen.
Timer Position
Sets the position where the timer displays on screen.
Timer Counting Direction
Sets the timer counting direction.
Sound Reminder
Sets a sound reminder if timer is up.
LanguageSets...

Operation
62
FUNCTIONDESCRIPTION
Operation 
SettingsDirect Power On
Selecting On enables the function. See Starting up the 
projector on page 28 for details.
Signal Power On
Selecting On the projector will turn on automatically when VGA 
signal is detected. 
Selecting Off the projector has to be turnned 
on manually (by keypad or remote).
 See Starting up the projector 
on page 28 for details.
Auto Power Off
Allows the projector to turn off automatically if no input signal is 
detected after a set period...

Operation 63
FUNCTIONDESCRIPTION
High Altitude 
ModeA mode for operation in high altitude areas. See Operating in a 
high altitude environment on page 45 for details.
Audio SettingsAllows you to enter the audio setting menu. See Adjusting the 
sound on page 46 for details.
Mute
Sets the mute function.
Volume
Adjusts the audio volume level.
Microphone Volume
Adjusts the microphone°¶s audio volume level.
Power On/Off Ring Tone
Sets the power on/off ring tone. 
Lamp SettingsLamp Mode
See Setting Lamp Mode...

Operation
64
FUNCTIONDESCRIPTION
Closed CaptionClosed 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).
Set your screen aspect ratio to 4:3. This function is 
not available when the aspect ratio is “16:9”, 
“16:10” or “Real”.
Caption Version
Selects a preferred closed...

Operation 65
FUNCTIONDESCRIPTION
Standby 
SettingsMHL Charging
Enable the charging function to mobile devices via HDMI/MHL 
interface when the system is under standby mode.
When MHL Charging is off:
1. Under operation mode, system can charge the devices 
when they are connected to the projector via HDMI/MHL 
port. When the detected source is not HDMI/MHL, the 
projector can STILL charge the devices, no matter which 
source is detected.
2. Under standby mode, system will not charge the devices 
when they...

Operation
66
FUNCTIONDESCRIPTION
Current 
System StatusSource
Shows the current signal source.
Picture Mode
Shows the selected mode in the PICTURE menu.
Lamp Mode
Shows the current lamp mode.
Resolution
Shows the native resolution of the input signal.
3D Format
Shows the current 3D mode.
Color System
Shows input system format, NTSC, PAL, SECAM, or RGB.
Lamp Usage Time
Displays the number of hours the lamp has been used.
Firmware Version
Shows firmware version.
6. INFORMATION menu 

Maintenance 67
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular 
basis is to keep the lens and case clean.
Never remove any parts of the projector except the lamp. Contact your dealer if other 
parts need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
• Use a canister of compressed air to remove dust. 
• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens...

Maintenance
68
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is 
automatically calculated by the built-in timer. The method of calculating the equivalent 
lamp hour is as follows:
Total (equivalent) lamp hour
= 1 (hours used in Economic mode) + 4/3 (hours used in normal mode)
See Setting Lamp Mode below for more information on Economic 
mode.
The lamp hour in Economic mode is calculated as 3/4 of that in Normal mode. 
That is,...

Maintenance 69
Setting Auto Power Off
This function allows the projector to turn off automatically if no input source is 
detected after a set period of time to prevent unnecessary waste of lamp life.
To  s e t  Auto Power Off, go into the SYSTEM SETUP: Basic > Operation 
Settings > Auto Power Off menu and press  / . The time period can be set 
from 5 to 30 minutes in 5-minute increments. If the preset time lengths are not 
suitable for your presentation, select Disable. The projector will not...

Maintenance
70
Timing of replacing the lamp
When the Lamp indicator lights up red or a message appears suggesting it is time to 
replace the lamp, please install a new lamp or consult your dealer. An old lamp may 
cause a malfunction in the projector and in some instances the lamp may explode.
The Lamp indicator light and Temperature warning light will light up if the 
lamp becomes too hot. See Indicators on page 74 for details.
The following lamp warning displays will remind you to change the lamp.
The...