BenQ MX503, MS502 user manual Activates the function by selecting On when the selected input signal

5. SYSTEM SETUP: Advanced menu

Function	Description
	Selects a baud rate that is identical with your computer’s so that you
Baud Rate	can connect the projector using a suitable RS-232 cable and update or
	download the projector’s firmware. This function is intended for
	qualified service personnel.
Test Pattern	Selecting On enables the function and the projector displays the grid
	test pattern. It helps you adjust the image size and focus and check that
	the projected image is free from distortion.
	Closed Caption Enable
	Activates the function by selecting On when the selected input signal
	carries closed captions.
Closed	• Captions: An on-screen display of the dialogue, narration, and
	sound effects of TV programs and videos that are closed captioned
Caption	(usually marked as "CC" in TV listings).
	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).
	Monitor Out
	Selecting On enables the function. The projector can output a VGA
	signal when it is in standby mode and the COMPUTER 1 jack is
	correctly connected to devices. See "Connection" on page 15 for how
	to make the connection.
Standby	Audio Pass Through
Settings	Selecting On enables the function. The projector can play sounds when
	it is in standby mode. Connect the correct signal cable and connect the
	audio cable to the AUDIO IN jack. See "Connection" on page 15 for
	how to make the connection.
	Enabling this function slightly increases the standby power consumption.
Reset All	Returns all settings to the factory preset values.
	The following settings will still remain: Phase, H. Size, User 1, User 2,
Settings
	Language, Projector Position, High Altitude Mode, Security
	Settings and Baud Rate.

Operation 41