Test pattern list, Control panel | Mitsubishi Electronics XL21

3.3. Test pattern list

Pressing [TEST] button rounds the test patterns to be displayed in the following order.

Full-bit white – Crosshatch – Adjustment white – Gradation – Color bar – Test pattern OFF – (Full-bit white)

Pattern		Description		Case of use
		Any picture adjustments except gamma compensation are
Full-bit white		invalid.
Full-bit white		All RGB-GAIN values in BLACK LEVEL become 0 at full
		All RGB-GAIN values in BLACK LEVEL become 0 at full
		black. [R], [G] and [B] buttons can turn ON/OFF each color.
Crosshatch		[R], [G] and [B] buttons can turn ON/OFF each color.		Total adjusting for display wall
Adjustment white	[R], [G] and [B] buttons can turn ON/OFF each color.			CSC adjustment
Adjustment white	[R], [G] and [B] buttons can turn ON/OFF each color.			GRADATION adjustment
				GRADATION adjustment
Gradation	All picture adjustments are invalid.
Color bar			CSC adjustment

3.4. Control panel

RGB input board (optional)

Video input board (optional)

3.5. LED display

This product indicates current status on the error indicator in the control panel and with “Warning LED” which lights blue on the screen.

•Warning LED indication can be set in INDICATION menu (chapter 1.5.1.11, on page 40). You can erase the indication by [ESC] button while LED lighting. [DISPLAY] button can restore the setting. This LED off setting is effective until the main power switch is turned off.

•A lamp operating time is shown on the error indicator with 5-digit blinking figure by pressing [DISPLAY] button while power on or stand-by state.

Warning LED

(Blue light on screen)

REV 2.4

XL21, XL50 specifications

Mitsubishi Electronics has consistently set benchmarks in the realm of display technologies, and their XL50 and XL21 projector series showcases this commitment to excellence. These models are meticulously designed to cater to a variety of professional environments, making them indispensable tools for businesses, education, and large venues.

The flagship XL50 projectors offer superior brightness with an impressive maximum output, ensuring vivid images even in well-lit rooms. With a native resolution that supports Full HD content, users can expect crystal-clear presentations that captivate audiences. The XL50 also incorporates advanced color reproduction technologies, which provide a wide color gamut for dynamic visual experiences. The projectors utilize Mitsubishi’s proprietary 3LCD technology, which enhances color accuracy and brightness, allowing for incredible detail and realism in every projected image.

In contrast, the XL21 models are tailored for users seeking a balance between affordability and performance. While slightly less powerful than the XL50, these projectors still deliver remarkable brightness, making them suitable for small to medium-sized meeting rooms and classrooms. The XL21 also features a compact and lightweight design, facilitating easy transportation and setup. With a focus on user-friendly operation, both models offer intuitive interfaces and connectivity options, including HDMI ports, VGA connections, and wireless capabilities, enabling seamless integration with other devices.

In terms of advanced features, both the XL50 and XL21 incorporate automatic keystone correction and digital zoom capabilities, ensuring that images are always perfectly aligned regardless of projector placement. They also come equipped with robust security features, which are essential in corporate environments. This includes password protection and a security bar, adding an extra layer of protection against unauthorized access.

In conclusion, the Mitsubishi Electronics XL50 and XL21 projectors stand out for their exceptional brightness, advanced color technologies, and user-friendly features. They are designed to meet the diverse needs of various professional settings, whether delivering impactful presentations in large auditoriums or facilitating engaging learning experiences in classrooms. As a result, these projectors exemplify Mitsubishi Electronics’ dedication to innovation and quality in the display technology industry.

Mitsubishi Electronics XL21, XL50 installation manual Test pattern list, Control panel, LED display

Models: XL21 XL50