HP Remote Graphics Software (RGS) Uživatelský manuál stáhnout pdf (Strana 68)

4. In the key created in Step 3, create a string value (REG_SZ) named Mode:

HKLM\System\CurrentControlSet\Services\hprpusbh\Parameters\Device

\Vid_1234&Pid_5678\Mode

5. Set the Mode data value to one of the following:

default—Allows the device to work in local, then remote mode.

local—Allows the device to be used on the local computer only.

remote—Allows the device to be used on a remote computer only.

auto—Allows the device to be used on the local computer until there is a connection to a remote

computer. Once the connection has been made, the device will be removed from the local computer and

remoted to the remote computer.

Supported USB devices

RGS supports all USB transfer types (bulk, isochronous, interrupt and control). This support means that a

wide range of USB devices will work remotely with RGS.

RGS works very closely with the Windows USB driver stack. Any USB device that exclusively uses the Windows

USB driver stack for functionality should work with RGS. The less a USB device's driver complies with the

Windows USB driver stack, the less likely it will work with RGS.

NOTE: Devices that adhere to the USB standard should work. Because RGS is a remote graphics protocol

and is emulating the USB protocol over a network, devices that are sensitive to timing may not work at all.

This includes USB devices with security and encryption mechanisms built into them. The additional network

delay could be looked at as a threat. Other devices that are known to break the USB standard, such as

webcams, may also not function at all. Performance of USB devices over RGS will not be equal to that of a

locally connected device. File copies may take longer due to the additional overhead of the network protocol

sitting on top of the USB protocol.

HP recommends that customers thoroughly test any USB device they are considering to use with RGS as

Hewlett-Packard cannot certify and or guarantee it will work over a Remote USB protocol. Because many USB

vendors do not support their devices over any Remote USB protocol, HP recommends that you contact the

USB vendor for support concerns first.

Remoting USB microphones

The Remote USB driver (on the local computer) supports the USB isochronous data type, which is commonly

used for streaming data such as that generated by audio and video devices. This enables certain isochronous

USB microphones to be accessed directly by the remote computer in the same manner as other USB devices.

To remotely attach USB microphones to the remote computer, either of these Remote USB Configuration

settings can be selected:

●

USB devices are Remote—If selected, a USB microphone can be accessed anytime by the remote

computer.

●

USB devices are Local/Remote—If selected, how the USB microphone can be accessed by the remote

computer depends on when the microphone is connected to the local computer relative to

establishment of the RGS connection:

◦

If the microphone is connected to the local computer after establishment of an RGS connection,

the microphone will be a remote device only and can be accessed directly by the remote computer.

TIP: The Windows Recording devices dialog in the remote computer allows the user to set the

default sound recording device (microphone).

56 Chapter 8 Advanced RGS features

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