Moxa Technologies VPort 2140 - Manual (Page 32)

Text Mode
Logo and Host Name
The default logo is Moxa’s logo, and the host name is VPort 2140 Video Server. For customized
usage, the administrator can change the layout of the homepage from the Homepage Layout page.
Video Quality Selection
There are 5 options for video quality: Medium, Standard, Good, Detailed, and Excellent. Different
video quality selections result in different sized JPEG files. The table below is an example.
Video Quality JPEG File Size
Medium 9.3 KB
Standard 11.15 KB
Good 13.76 KB
Detailed 16.35 KB
Excellent 20.3 KB
Image Size Selection
There are 5 options for selecting image sizes:
Video Size (unit: pixels) NTSC PAL
Half 176 Ч 112 176 Ч 112
Half Ч 2 352 Ч 240 352 Ч 288
Standard 352 Ч 240 352 Ч 288
Standard Ч 2 704 Ч 480 704 Ч 576
Double 704 Ч 480 704 Ч 576
Half × 2 consumes the same file size and bandwidth as Half, but has the same resolution as
Standard. For this reason, the visual effect of Half × 2 is worse than Standard. Likewise,
Standard × 2 consumes the same file size and bandwidth as Standard, but has the same
resolution as Double. For this reason, the visual effect of Standard × 2 is worse than Double.
VPort 2140 User’s Manual 3-4