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Operation, cont’d
MGP 464 • Operation
3-16
PRELIMINARY
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) le 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 Conguration and Control”) and the MGP 464 Web pages (see
chapter 5, “HTML Conguration and Control”).
Window
Configuration
Background
Capture
Menu
Save Bkgd to Mem
none
Recall Bkgd Mem
none
Save Bkgd to mem
Saving Busy!!!
Next
Use either Adjust knob
to adjust the submenus.
Next
Recalled
Recalling
[Detail] = Confirm
Next
Save current image
as a background
Select a name for the
background file being
saved: bkg01.bmp
through bkg16.bmp
Next
Recall a background
Image from memory
Select an image
file name to recall for
use as background.
Detail
If None is selected
Background Capture menu flow
Memory space for background les
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 le 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 (le 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 le name (bkg01.bmp
through bkg16.bmp) with which to save the image.
N
You 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.