Yaesu SCU-20 User manual

1
SCU-20 PC Connection Cable
Driver Installation Manual
Installing the SCU-20 PC Connection Cable driver software on a computer makes possible data
transmission and updating the transceiver rmware.
Please read this entire manual carefully. If you agree to the content of this manual, download and
install the SCU-20 PC Connection Cable driver.
Operating Environment
Supported Operating Systems
・Microsoft®Windows®10
・Microsoft®Windows® 8.1
・Microsoft®Windows®8
・Microsoft®Windows 7® (Service Pack 1 or later)
Installing the SCU-20 Driver
Caution: Do not connect the transceiver to the computer via the SCU-20 PC Connection
Cable until the driver installation process has been completed. Connecting the
SCU-20 to the computer before installation has been completed may result in
the wrong driver being installed, preventing proper operation.
Install the driver, which matches to the operating system in use.
Windows®10 .......................................................................................................................................2
Windows® 8.1/8 ..................................................................................................................................4
Windows®7 .........................................................................................................................................6
When the Driver Installation Fails ......................................................................................................8
How to Uninstall the PC-Connection Cable Driver ...........................................................................9

2
Driver installation (For WinDoWs®10)
Before installing the driver, make sure that the SCU-20 PC Connection Cable is disconnected
from the computer.
Installation
1. Start up the computer as an “Administrator”
user.
2. Double check and ensure the SCU-20 PC
Connection Cable is not connected to the
computer.
3. Unzip the downloaded (SCU-20_PC_
Connection_Cable_Driver.zip) le.
4. Double click the left mouse button on
[PL2303_Prolific_DriverInstaller_
v1.8.0.exe].
5. When the [User Account Control]dialog
box opens, click the left mouse button on
[Yes].
6. The dialog box, which is shown below, will
open. Click the left mouse button on [Next],
to initiate the installation of the driver.
7. When the installation is nished, the dialog
box shown below will open. Click the left
mouse button on [Finish], to complete the
installation of the driver.
8. Connect the SCU-20 PC Connection Ca-
ble to the USB jack on the computer. The
SCU-20 PC Connection Cable will be rec-
ognized automatically.

3
Conrmation
1. Click the right mouse button on [Start but-
ton].
2. Click the left mouse button on the [Device
Manager].
3. When the [User Account Control]dialog
box opens, click the left mouse button on
[Yes].
4. Open the [Device Manager] dialog box,
then double click the left mouse button on
[Ports (COM&LPT)].
5. When the “Prolific USB-to-Serial Comm
Port (COM X)” (X: Comm Port Number)
is displayed, the SCU-20 PC Connection
Cable is functioning normally.
à

4
Driver installation (For WinDoWs®8.1/8)
Before installing the driver, make sure that the SCU-20 PC Connection Cable is disconnected
from the computer.
Installation
1. Start up the computer as an “Administrator”
user.
2. Double check and ensure the SCU-20 PC
Connection Cable is not connected to the
computer.
3. Unzip the downloaded (SCU-20_PC_
Connection_Cable_Driver.zip) le.
4. Double click the left mouse button on
[PL2303_Prolific_DriverInstaller_
v1.8.0.exe].
5. When the [User Account Control]dialog
box opens, click the left mouse button on
[Yes].
6. The dialog box, which is shown below, will
open. Click the left mouse button on [Next],
to initiate the installation of the driver.
7. When the installation is nished, the dialog
box shown below will open. Click the left
mouse button on [Finish], to complete the
installation of the driver.
8. Connect the SCU-20 PC Connection Ca-
ble to the USB jack on the computer. The
SCU-20 PC Connection Cable will be rec-
ognized automatically.

5
Conrmation
1. Move the mouse cursor to the top right of
the screen.
2. Click the left mouse button on [Settings]
on the charm bar.
3. Click the left mouse button on the [Control
Panel].
4. Click the left mouse button on [System &
Security], then click the left mouse button
on [Device Manager].
5. When the [User Account Control]dialog
box opens, click the left mouse button on
[Yes].
6. Open the [Device Manager] dialog box,
then double click the left mouse button on
[Ports (COM&LPT)].
7. When the “Prolific USB-to-Serial Comm
Port (COM X)” (X: Comm Port Number)
is displayed, the SCU-20 PC Connection
Cable is functioning normally.
à

6
Driver installation (For WinDoWs®7)
Before installing the driver, make sure that the SCU-20 PC Connection Cable is disconnected
from the computer.
Installation
1. Start up the computer as an “Administrator”
user.
2. Double check and ensure the SCU-20 PC
Connection Cable is not connected to the
computer.
3. Unzip the downloaded (SCU-20_PC_
Connection_Cable_Driver.zip) le.
4. Double click the left mouse button on
[PL2303_Prolific_DriverInstaller_
v1.8.0.exe].
5. When the [User Account Control]dialog
box opens, click the left mouse button on
[Yes].
6. The dialog box, which is shown below, will
open. Click the left mouse button on [Next],
to initiate the installation of the driver.
7. When the installation is nished, the dialog
box shown below will open. Click the left
mouse button on [Finish], to complete the
installation of the driver.
8. Connect the SCU-20 PC Connection Ca-
ble to the USB jack on the computer. The
SCU-20 PC Connection Cable will be rec-
ognized automatically.

7
Conrmation
1. Click the left mouse button on the [Start] button in the tool bar, then click the right mouse but-
ton on the [Computer].
2. Click the left mouse button on the [Property], then click the left mouse button on [Device
Manager].
3. When the [User Account Control] dialog box opens, click the left mouse button on [Yes].
4. Open the [Device Manager] dialog box, then double click the left mouse button on [Ports
(COM&LPT)].
5. When the “Prolic USB-to-Serial Comm Port (COM X)” (X: Comm Port Number) is displayed,
the SCU-20 PC Connection Cable is functioning normally.

8
When the Driver Installation Fails
The driver installation may fail when:

The installation wizard is canceled during the installation.

The SCU-20 PC Connection Cable is connected to the computer before installing the
driver.
When the installation of the driver fails:
1. Open the [Device Manager] dialog box, as described in the “Conrmation” instruction section of
each Operating System.
2. Click the left mouse button on the “device” which is appended to the “!” or “?” icon, then click
the right mouse button on [Uninstall], to uninstall the driver.
3. Retry the installation of the driver.

9
How to Uninstall the PC-Connection Cable Driver
If you wish to uninstall the SCU-20 PC Connection Cable driver, perform the following procedures
(The illustration is a Windows® 8 screen):
1. Disconnect the SCU-20 PC Connection
Cable from the computer.
2. Click the left mouse button in one of the
sequences shown below:
Windows® 8:
Charm bar [Settings]
[Control Panel]
[Uninstall a program]
3. The dialog box shown to the right will
open. Click the left mouse button on “PL-
2303 USB-to-Serial”, then click the left
mouse button on [Uninstall].
4. The dialog box shown to the right will
open. Click the left mouse button on [Yes]
to uninstall the SCU-20 PC Connection Ca-
ble driver.
5. When uninstall is nished, the dialog box
shown to the right will open. Click the left
mouse button on [Finish]to complete the
removal of the SCU-20 PC Connection Ca-
ble driver.

Copyright 2017
YAESU MUSEN CO., LTD.
All rights reserved.
No portion of this manual may be
reproduced without the permission
of YAESU MUSEN CO., LTD.
YAESU MUSEN CO., LTD.
Tennozu Parkside Building
2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan
YAESU USA
6125 Phyllis Drive, Cypress, CA 90630, U.S.A.
YAESU UK
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K. 1705-C