Extron electronic MGP 464 HD-SDI manual Background Capture menu flow

Operation, cont’d

Background Capture menu

The Background Capture menu allows you to capture the image currently on the output screen and save it as a bitmap (.bmp) file with one of 16 designated image names. You can then recall the image and use it as a background.

Background Capture also can be done via the Windows-based control software (see chapter 4, “Software Configuration and Control”) and the MGP 464 Web pages (see chapter 5, “HTML Configuration and Control”).

Window

Configuration

Menu

Background

Capture

Use either Adjust knob to adjust the submenus.

Next

Save Bkgd to Mem		Next	[Detail] = Confirm
none
	If None is selected
Next
Recall Bkgd Mem		Next	Recalling
none

Detail

Save Bkgd to mem Saving Busy!!!

Recalled

Save current image as a background Select a name for the background file being saved: bkg01.bmp through bkg16.bmp

Recall a background Image from memory Select an image

file name to recall for use as background.

PRELIMINARY

Background Capture menu flow

Memory space for background files

The MGP 464 has 16 MB of user storage space that can be used for saved backgrounds and uploaded user Web pages. The number of images that you can save depends on the size (in kB) of the image bitmap file and the resolution. The following table shows the number of images you can store based on resolution.

Resolution	640 x 480	800 x 600	1024 x 768	1280 x	1024	1400 x	1050	1600 x	1200	1080p
Image Size (kB)	900.00	1406.25	2304.00	3804.00		4306.64		5625.00		6075.00
Total Images	16	11	6	4		3		2		2

To calculate the size of a bitmap file for any image of any specified size, use this formula:

file size (in kilobytes) = (horizontal x vertical x 3) + 54 (file header ID)

Saving a background to memory

To save the current image to memory for use as a background,

1.	Press Menu repeatedly until the Background Capture screen is displayed.
2.	Press Next repeatedly until the Save Background to Memory submenu screen
	is displayed.
3.	Rotate either Adjust knob to select a background file name (bkg01.bmp
	through bkg16.bmp) with which to save the image.

NYou can save the background image only under one of the file names on this menu (you cannot make up a different name for it). However, images loaded via the Windows-based control software (IP Link File Manager) or via the MGP 464 Web pages may be given any desired file names. See chapter 4, “Software Configuration and Control,” for information on using the Windows-based software, and chapter 5, “HTML Configuration and Control,” for information on using the Web pages.

If you do not want to save the image, select None on the LCD screen, then press Next. The Recall Background submenu screen is displayed.

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