Prochips Inc PCA-3202 Manual Do Utilizador

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7.
Questions and Answers
 
Q & A
What is USB?
-  USB (Universal Serial Bus) is the data transmission method of a new standard.
It is designed to resolve the problems such as insufficient ports and random
interface development by unifying the interfaces among different devices into
one. The connection among USB devices has a tree structure, and up to 127
devices can be connected theoretically. One USB cable consists of two data
lines and two power lines. It is designed to generate the transmission speed of
12 Mbps and the serve channel speed of 1.5 Mbps. It supports the
transmission of both synchronized and asynchronized data.
What are required to use the USB Camera?
-  First, PC with the USB port installed is necessary. It means that it is necessary
to install the USP port to PC. The USB port is basically installed in Pentium II
PC, and MMX PC also supports USB.
-  The operating system supporting the USB is necessary. Windows 98 basically
supports USB.
-  The start-up driver and the application software to start up USB PC camera
are required. The driver of the USB PC camera is provided by the camera
manufacturer. For the Prochips USB Camera Rookie, the start-up software
that is easy to install and use is provided to the users. Any existing application
software with the functions of capturing and picture communication can be
used as the application software. The software with these functions from any
camera manufacturer can be also used.
What are the reasons that USB Camera is not recognized?
-  BIOS should be set up properly to allow PC to recognize the USB Camera.
USB should be enabled in  the CMOS setup. The USB function setup items
can be different depending on BIOS. However, in general, those items may be
classified into the I/O related items.
-  If the driver is not installed properly, it is possible that USB Camera cannot be
recognized. The method and procedure of installing Prochips USB Camera
Rookie is easily and simply provided in the “Installation and Software
Installation” of the user’s manual.
-  The manufacturer of the main board VIA chip using the VIA chip USB
controller has distributed the modified driver. Download the relevant driver
from the Prochips homepage and install it.
7.
Questions and Answers (Q & A)