Philips VideoTracer VTR8400, Руководство пользователя, Страница: 77 / 90

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(3)Code Rate
The higher the code rate, the better the video quality and
the higher the power and data consumption. The user can
choose to click the white box to set the code rate according
to real uplink broadband and resolution. 300kb is recom-
mended for 320X240; 700kb is recommended for 640X480.
(4)Video Packet Loss Prevention
Click this function when the light goes on. When using public
internet you are advised to active this function. 15% in packet
loss ensures smooth image and 30% in packet loss ensures
reasonable video quality.
(5)Packet loss redundancy
There are five options for packet loss redundancy. Enter the
sub-menu and slide the screen to choose the options you
want: 1,2,3,4 and 5. The higher the value is, the stronger
the anti-packet loss capability is. However, higher value also
means more broadband width. The default value is suggested.
(6)Photo Resolution
Click the function and enter the sub-menu. The higher the
resolution the better clarity the image is. The three available
options include 1920X1080, 1280X720 and 640X480.
(7)Use USB Camera
Click this function and the video transmission mode will shift
to the USB Camera Channel.
15.3 General Setting
(1)Automatic Answering
Whenever there is an incoming call, the device answers
automatically.
(2)No Disturbance
All incoming calls will be rejected.
(3)PTT Button
Press PTT button to start PTT voice chat.
(4)Volume Amplifier
Amplifier can increase the speaker volume.
(5)Horizontal Screen
The horizontal screen mode is turned on during video call.
(6)Encrypted Call
You need to re-log in in order to make a call. The data trans-
mission is encrypted to ensure data security.
(7)No Messages Mode
No reminder on messages received.
(8)Full Screen
The Full Screen is chosen to play the video.
(9)Automatic Start
If chosen, automatic start upon the booting of the device.
15.4 SOS Message Setting
You can set the content of the SOS message here.