ACS ACR3901U-S1 User manual

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User Manual V1.00
ACR3901U-S1
Bluetooth Contact Card
Reader

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Table of Contents
1.0. Introduction ...............................................................................................................3
2.0. For iOS .......................................................................................................................4
2.1. Installing the application ........................................................................................................4
2.2. Using the application .............................................................................................................5
2.2.1. Connecting the reader ..................................................................................................5
2.2.2. Getting the device information......................................................................................7
2.2.3. Getting the battery status..............................................................................................8
2.2.4. Getting the ATR ............................................................................................................9
2.2.5. Transmitting command APDU ....................................................................................12
2.2.6. Executing escape command.......................................................................................14
3.0. For Android..............................................................................................................16
3.1. Installing the application ......................................................................................................16
3.2. Using the application ...........................................................................................................19
3.2.1. Connecting the reader ................................................................................................19
3.2.2. Getting the device information....................................................................................21
3.2.3. Getting the battery status............................................................................................22
3.2.4. Getting the ATR ..........................................................................................................23
3.2.5. Transmitting command APDU ....................................................................................24
3.2.6. Executing escape command.......................................................................................26

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1.0.Introduction
ACR3901U-S1 Bluetooth Contact Card Reader combines the latest technology in the world of smart
card readers with Bluetooth connectivity. This compact and wireless smart card reader brings together
sophisticated technology with fresh design to meet different requirements in various smart card-based
applications using Bluetooth-enabled devices, such as smart phones and tablets.
This document contains information regarding the installation and workflow of demo included in the
Android™and iOS library of the ACR3901U-S1 Bluetooth Contact Card Reader.

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2.0.For iOS
2.1. Installing the application
1. Download the device library from ACS website under ACR3901U-S1 category.
2. Using XCode application, open the BTDemo.xcodeproj.
3. Transfer the BTDemo.xcodeproj to your mobile device by choosing your mobile device and
then clicking the play button.
Note: Make sure that your mobile device is connected to your computer.

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2.2. Using the application
This section provides a simple step-by-step procedure on how to use the ACR3901U-S1 Bluetooth
Card Reader using the BT Demo application.
2.2.1. Connecting the reader
1. Enable your iOS device’s Bluetooth by going to Settings > Bluetooth.
2. Enable ACR3901U-S1’s Bluetooth mode by switching the toggle to the right.
3. Open BT Demo application.
4. Tap Select.
5. Choose the reader to pair your iOS device with, then tap Done.

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6. A Bluetooth Pairing Request message will be displayed. Tap Pair to continue.
7. A prompt will be shown that the pairing was a success. Tap OK to close the prompt.

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2.2.2. Getting the device information
To get the reader’s information, tap Device Information.

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2.2.3. Getting the battery status
To get the battery status:
1. Tap Get Battery Status.
2. Battery status will be displayed.

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2.2.4. Getting the ATR
To get the ATR of the card:
1. Insert smart card into the ACR3901U-S1 reader.
2. Tap Authenticate Reader to validate device.

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3. A prompt will be shown that the authentication was a success. Tap OK to close the prompt.
4. Tap Power On Card.

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5. Card’s ATR will be displayed.

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2.2.5. Transmitting command APDU
To transmit APDU command:
1. Insert smart card into the ACR3901U-S1 reader.
2. Tap Authenticate Reader to validate device.
3. Tap Transmit APDU.

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4. Response APDU will be displayed.
*Note: User could edit the APDU command by tapping Command APDU.

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2.2.6. Executing escape command
To execute an escape command:
1. Insert smart card into the ACR3901U-S1 reader.
2. Tap Authenticate Reader to validate device.
3. Tap Power On Card, and then Transmit Escape Command.

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4. Escape Response will be displayed.

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3.0.For Android
3.1. Installing the application
1. Connect your mobile device to the computer.
2. In the internal storage of your device, create a folder where the ACR3901U-S1 BTdemo will
be placed.
3. Download the device library from ACS website under ACR3901U-S1 category.
4. Copy the BTDemo.apk file from the downloaded ACR3901U-S1 Android library into the
previously created folder.

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5. Disconnect your mobile device from the computer, and then locate the BTDemo.apk using a
file manager application.
6. Tap the BTDemo.apk file to start the installation process.

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7. Complete the action using Package Installer.
8. A prompt will ask for hardware control access. Tap Install to proceed.
9. Once the installation is complete, you may now open the BT Demo application.

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3.2. Using the application
3.2.1. Connecting the reader
1. Enable your Android device’s Bluetooth by going to Settings > Bluetooth.
2. Enable ACR3901U-S1’s Bluetooth mode by switching the toggle to the right.
3. Open ACS BT Demo application.
4. Choose the reader to pair your Android device with, then tap Done.

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5. Click Connect at the right top corner, and ACR3901U-S1 and mobile device will start bonding.
6. Once the bonding is complete, ACR3901U-S1 is now ready to be used with the mobile device.