TANDBERG D50104-15 用户手册

46

Health Care System III

General Use

* - Optional feature.

Duo Video is useful if you want to display live video from your document camera or another camera in
addition to live video of yourself.

•  Alt.1: Press any other video source than MainCam during a call. This will open Duo Video directly if the

far end supports the automatic Duo Video functionality (requires also ‘Duo Video Mode: Auto’ in
‘Presentations’).

•  Alt.2: To open Duo Video (also older versions of Duo Video), press C

 during a call. This will bring

up the following menu:

•  Select ‘Add Duo Video’. The following menu will be displayed:

• Select video source to transmit on Duo Video.

• Press C

 to add Duo Video.

 

HANDLES

 D

UO

 V

IDEO

 

WITHIN

 

THE

 

SAME

 

CALL

. I

T

 

IS

 

NOT

 

NECESSARY

 

TO

 

MAKE

 

A

 

NEW

 

CALL

 

AND

 

THE

 

CONNECT

TIME

 

DECREASES

 

A

 

LOT

. D

UO

 V

IDEO

 

BORROWS

 

BANDWIDTH

 

FROM

 

THE

 

MAIN

 

CONNECTION

. W

HEN

 D

UO

 V

IDEO

 

IS

 

CLOSED

, 

THE

BANDWIDTH

 

IS

 

RETURNED

 

TO

 

THE

 

MAIN

 

CONNECTION

. T

HIS

 D

UO

 V

IDEO

 

IS

 

ALSO

 

UNI

-

DIRECTIONAL

 

AND

 

HENCE

, 

EASIER

 

TO

 

USE

. W

HEN

 

IN

AN

 M

ULTI

S

ITE

 

CALL

, 

THE

 M

ULTI

S

ITE

 

CAN

 

TRANSMIT

 

THIS

 D

UO

 V

IDEO

 

TO

 

THE

 

OTHER

 

PARTICIPANTS

 

SUPPORTING

 

THIS

 D

UO

 V

IDEO

VERSION

.

I

F

 

THE

 

FAR

 

END

 

SUPPORTS

 D

UO

 V

IDEO

, 

BUT

 

NOT

 

THE

 

AUTOMATIC

 D

UO

 V

IDEO

, 

PRESS

 ‘Q

UALITY

’ 

TO

 

SELECT

 

EXTRA

 

BANDWIDTH

 

TO

 

BE

USED

 

BY

 D

UO

 V

IDEO

. A

N

 

EXTRA

 

CALL

 

WILL

 

BE

 

MADE

 

AND

 D

UO

 V

IDEO

 

WILL

 

NOT

 

BORROW

 

BANDWIDTH

 

FROM

 

THE

 

MAIN

 

CONNECTION

.