## About USB Driver

### IM3523

Before connecting the instrument by USB, perform the following procedure to install the USB driver.

Download now

HiokiUsbCdcDriver.msi

### IM3523A

When the instrument is connected to a computer, the USB driver is automatically installed.

Since the OS standard driver is installed, it is not necessary to install another driver.

## Installing the USB Driver (IM3523 ONLY)

Perform the installation with administrator privileges.

1. RunHiokiUsbCdcDriver.msi

Depending on the environment, the dialog box may take some time to appear so please wait till it does so.

2. Click [Next].

3. Click [Next].

When you want to change the installation destination.

Click [Browse...] to change the folder to install into.

Normally, there is no need to change.

4. Click [Next] to start installing.

Installing

When a dialog box requesting your permission to continue the program appears, click [Yes].

Sometimes another dialog box requesting your permission to install the software may appear. When it does, check [Always trust software from "HIOKI E.E. CORPORATION"] and click [Install] to continue.

5. When installation is completed and the dialog box appears, click [Close] to exit.

This completes the driver installation.

## Connecting the Instrument and Computer

The first time you connect the instrument and computer, perform the following procedure to enable the computer to recognize the instrument.

The instrument is recognized automatically, and the preparation to use the device completes.

## Uninstalling the USB Driver (IM3523 ONLY)

When the USB driver is no longer needed, uninstall it with the following procedure.

1. From the Windows Start menu, select the [Control Panel].

2. Click [Add or Remove Programs].

3. From the list of installed programs, select [HIOKI USB CDC Driver], and remove it.