PAX S920 User manual

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USER MANUAL V1.0
S920 Retail User Manual
Date: 2018-09-17
Version: 1.00

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Preface
S920 User Manual
Version: 20180917 v1.00
Status: ［★］Draft ［］Release ［］Modify
Copyright © 2015-2018 PAX Technology, Inc. All rights reserved
The Programs (which include both the software and documentation) contain proprietary information;
they are provided under a license agreement containing restrictions on use and disclosure and are also
protected by copyright, patent, and other intellectual and industrial property laws. Reverse engineering,
disassembly, or decompile of the Programs, except to the extent required to obtain interoperability with
other independently created software or as specified by law, is prohibited.
This document is provided to you for informational purposes only. All features and specifications are
subject to change without notice. If you find any problems in the documentation, please report them to
us in writing. This document is not warranted to be error-free. Except as may be expressly permitted in
your license agreement for these Programs, no part of these Programs may be reproduced or
transmitted in any form or by any means, electronic or mechanical, for any purpose.
Security Notice: No part of this publication may be copied, distributed, stored in a retrieval system,
translated into any human or computer language, transmitted, in any form or by any means, without the
prior written consent of PAX Technology, Inc.
PAX is a registered trademark of PAX Technology Limited in China and/or other countries. All other
trademarks or brand names are the properties of their respective holders.
Technical Support
If you encounter a problem while installing, registering or operating this product, please make sure that
you have read the documentation. If you cannot resolve the Issue, please contact us.
PAX support operates 24 hours a day, 7 days a week. Your level of access to this Service is governed by
the support plan arrangements made between PAX and your Organization. Please consult this support
plan for further information about your entitlements, including the hours when telephone support is
available to you.
Technical Support Contact Information:
Phone: [phone]
Email: suppo[email protected]
URL: www.pax.us

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Revision History
Date Version By Description
20180917 V1.00.00 Shoap Technical
Services Original Release

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Table of Contents
1INTRODUCTION ............................................................................................................................................. 1
1.1 PURPOSE .........................................................................................................................................................1
1.2 SUPPORTED DEVICES .........................................................................................................................................1
1.3 INTENDED AUDIENCE .........................................................................................................................................1
1.4 ABBREVIATIONS ................................................................................................................................................1
2PAX S920 TERMINAL OVERVIEW.................................................................................................................... 2
2.1 KEY DEFINITIONS...............................................................................................................................................2
Screen and Keypad Layout.......................................................................................................................2
2.2 IDLE SCREEN.....................................................................................................................................................3
2.3 STATUS INDICATORS ..........................................................................................................................................3
3LOADING AN APPLICATION AND ACCESSING MANUAL SETTINGS.................................................................. 5
3.1 LOADING AN APPLICATION ..................................................................................................................................5
3.2 ACCESSING MENU OPTIONS AFTER DOWNLOADING AN APPLICATION .........................................................................6
4RETAIL ENVIRONMENT MANUAL SETTINGS................................................................................................... 7
4.1 MAIN MENU OPTIONS.......................................................................................................................................7
4.2 SYSTEM CONFIGURATION ...................................................................................................................................8
System Setting .........................................................................................................................................9
Media.....................................................................................................................................................13
Wireless..................................................................................................................................................16
WiFi ........................................................................................................................................................18
XCB Service.............................................................................................................................................28
Reset Configuration ...............................................................................................................................28
Remote Load..........................................................................................................................................29
Save Log.................................................................................................................................................29
Power Saving .........................................................................................................................................30
Auto U-Disk Load ...............................................................................................................................32
4.3 MODULE TEST ................................................................................................................................................33
Card Readers..........................................................................................................................................34
Communication......................................................................................................................................35
User Interface ........................................................................................................................................36
Battery ...................................................................................................................................................36
App List ..................................................................................................................................................37
4.4 U-DISK LOAD .................................................................................................................................................37
4.5 TERMINAL INFORMATION .................................................................................................................................38
4.6 SYSTEM REPORT .............................................................................................................................................40
4.7 PED .............................................................................................................................................................41
4.8 SECURITY INFORMATION...................................................................................................................................42
5RETAIL ENVIRONMENT MANUAL OPTIONS ................................................................................................. 43
5.1 FUNCTION MENU OPTIONS...............................................................................................................................43
5.2 REPORT.........................................................................................................................................................44
5.3 BATCH ..........................................................................................................................................................44
5.4 REVIEW.........................................................................................................................................................45
5.5 FIND.............................................................................................................................................................46
5.6 COUNTER TIP .................................................................................................................................................46

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5.7 REPRINT ........................................................................................................................................................47
Last Customer Receipt ...........................................................................................................................47
Any Receipt ............................................................................................................................................48
5.8 VOID ............................................................................................................................................................49
5.9 RETURN ........................................................................................................................................................50
5.10 TIP REPORT....................................................................................................................................................50
6RETAIL ENVIRONMENT TRANSACTIONS....................................................................................................... 52
6.1 RETAIL TRANSACTION OVERVIEW .......................................................................................................................52
6.2 TRANSACTIONS ...............................................................................................................................................52
6.3 MANUALLY INPUTTING CARD NUMBER ...............................................................................................................53
Over the Phone Transaction...................................................................................................................53
Manual Input Prompts...........................................................................................................................53
6.4 RETAIL CREDIT CARD TRANSACTIONS ..................................................................................................................56
Credit Sale ..............................................................................................................................................56
Credit Forced..........................................................................................................................................60
Credit Return..........................................................................................................................................64
Credit Auth .............................................................................................................................................68
Credit PostAuth ......................................................................................................................................73
Credit Void .............................................................................................................................................78
Credit Balance Inquiry............................................................................................................................85
Credit Tokenize.......................................................................................................................................87
6.5 DEBIT TRANSACTIONS ......................................................................................................................................90
Debit Sale ...............................................................................................................................................90
Debit Return...........................................................................................................................................95
Debit Balance Inquiry...........................................................................................................................100
Debit Void ............................................................................................................................................103
6.6 ELECTRONIC BENEFITS TRANSFER (EBT) TRANSACTIONS.......................................................................................106
EBT Sale................................................................................................................................................106
EBT Return ...........................................................................................................................................111
EBT Withdrawal ...................................................................................................................................115
EBT Balance Inquiry .............................................................................................................................119
EBT Void ...............................................................................................................................................123
6.7 GIFT TRANSACTION .......................................................................................................................................126
Gift Sale................................................................................................................................................126
Gift Return ...........................................................................................................................................129
Gift Add Value......................................................................................................................................131
Gift Activate .........................................................................................................................................134
Gift Unload...........................................................................................................................................136
Gift Balance Inquiry .............................................................................................................................139
Gift Void ...............................................................................................................................................141
Gift Deactivate .....................................................................................................................................143
Gift Issue ..............................................................................................................................................146
Gift Cashout.....................................................................................................................................148
APPENDIX A. TROUBLESHOOTING.................................................................................................................. 151
A.1 GENERAL TROUBLESHOOTING..........................................................................................................................151
A.1.1 Serial Number Location........................................................................................................................151
A.1.2 User Password Forgotten or Lost.........................................................................................................151
A.1.3 Terminal Appears Locked.....................................................................................................................151

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APPENDIX B. ERROR CODES ........................................................................................................................... 152

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1Introduction
This user manual provides a description of the S920 mobile point of sale terminal and its transaction
functions.
1.1 Purpose
This user manual describes transaction functions for the retail market. If you have a custom application,
perform any modifications to your application in BroadPOS, or manually modify terminal settings, some
of the options and screens as described in the manual may be different.
1.2 Supported Devices
PAX S920 mobile point of sale payment terminal.
1.3 Intended Audience
This manual is intended for use by point of sale clerks needing a portable terminal.
1.4 Abbreviations
Name
Description
AID
Application Identifier
AVS
Address Verification System
BSSID
Basic Service Set Identifier – access point’s MAC address
CAPK
Certification Authority Public Key
CID
Card Identification Number
CVC
Card Verification Code
CVV
Card Verification Value
EBT
Electronic Benefit Transfer
ESSID
Extended Basic Service Set Identifier – consists of all the BSSs in the network;
interchangeable with SSID
KMS
Key Management System
LKI
Local Key Injection
PAN
Primary Account Number
PDK
PAX Platform Development Kit
PIN
Personal Identification Number – 4 to 16- digit confidential codes used by cardholders to
identify themselves as the proper users of a credit or debit card to the Host computer
POS
Point of Sale
RKI
Remote Key Injection
SAM
Secure Access Module; interchangeable with SIM
SDK
Software Development Kit
SSID
Service Set Identifier – name of the network
TM
Terminal Management
TMS
Terminal Management System

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2PAX S920 Terminal Overview
The S920 is a mobile point of sale terminal with wireless connectivity options including 4G LTE, 3g
(WCDMA), WiFi and Bluetooth. The terminal accepts contactless, chip, and magstripe transactions.
2.1 Key Definitions
The following table provides a brief description of the keys on the S920 keypad.
Name Description
Number
Keys
0-9 Number Keys
Enter any numeric value or press twice to enter alphabetic characters.
ALPHA
Press this to switch between alpha and numeric key entry.
ENTER
Complete and submit the current entry.
CANCEL
Cancels the current transaction or backs out one menu level. Holding the CANCEL key
turns the terminal on and off.
CLEAR
Deletes the character to the left of the cursor.
FUNC
Opens the Function Menu.
Screen and Keypad Layout
The following figure shows an S920 terminal screen and keypad.

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2.2 Idle Screen
After the terminal is powered on, it performs a self-test, checks for a wireless connection, tries to
configure itself online and then displays the Idle Screen. The idle screen also displays after performing
transactions and functions. It can be customized and may look different than what is shown below:
2.3 Status Indicators
The status indicators located at the top of the terminal screen provide a visual indication of various
terminal activities. The icons change color from gray to blue when that function is active.

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The following table describes each indicator.
Indicator Function Description
SIM card present
Terminal contains a 4G LTE or 3G SIM card.
Card input
Briefly activates when a card is successfully swiped.
Stays active while a chip card is inserted.
Wireless connection
Wi-Fi connection is in use and displays the signal
strength.
Battery status
Displays the level remaining for the internal battery or
indicates the battery is charging.
Scroll up available
Indicates additional content available above the screen
currently viewed.
Scroll down available
Indicates additional content available below the screen
currently viewed.

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3Loading an Application and Accessing Manual Settings
This section describes where to review the download instructions and download an application to the
terminal for the first time.
1. Ensure you use a functioning wireless internet connection.
2. Set up your wireless connection using the Main Menu.
3. Ensure that the AC Adapter is plugged into a known good AC outlet. Plug the other end of the AC
Adapter cable into the terminal’s power cable connection.
3.1 Loading an Application
As already stated, this manual is built around BroadPOS applications built for the following environment:
Retail.
Custom applications or modifications made in BroadPOS impact the screens and options displayed in
this manual.
Quite often, the only steps you need to take to download an application are to ensure that the terminal
is connected to the network and that power is supplied to the terminal. However, the S920 terminal
should already be configured for the business upon arrival.
If you have issues or questions, email PAX support at suppo[email protected]s.

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3.2 Accessing Menu Options After Downloading an Application
If you need to perform any administrative activities to the terminal after downloading an application,
you may need to access the menu options.
NOTE
To avoid potential issues, changes to the terminal
should be managed through the application in
BroadPOS, not in the terminal.
To access the menu options,
1. Restart the terminal.
2. At the Self-Test screen, press the number 2 key.
3. The Main Menu displays. Navigate through the options and make changes as needed.
NOTE
System Config requires that you input the Main Menu
password before changing any parameters.

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4Retail Environment Manual Settings
This section describes terminal options that you can set manually in the retail environment. However,
PAX recommends that changes to terminal options be made by your administrator in BroadPOS and
downloaded in the application. Any changes made manually are overwritten by a BroadPOS update or
download.
4.1 Main Menu Options
Access the menu options as shown in Section 3.2 Accessing Menu Options After Downloading an
Application on page 6. The Main Menu displays a total of seven options. Use the arrows to navigate
through the options.
System Config
Use the System Config option to set the terminal configuration: System
Setting, Media, Wireless, WiFi, XCB Service, Reset Config, Remote Load,
Save Log, Power Saving, and Auto U-Disk Load.
Module Test
Use the Module Test option to detect the functions of the card reader,
communication module, user interface, battery status, and application.
U-Disk Load
Use the U-Disk Load option to download files, such as application or data,
from the USB flash drive.
Terminal Info
Use the Terminal Info option to view the terminal’s QR code and software
and hardware information.
System Report
Use the System Report to export the Crash Report, Tamper Report, and
Diagnosis to a USB flash drive.
PED
Use the PED option to perform key injections: RKI, Cert Init, Cert Info, RKI
Version, LKI, KI Link, and KI Setting.
Security Info
Use the Security Info option to view the terminal’s security information.

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4.2 System Configuration
The Main Menu password is needed to access the System Config menu. The default password is 123456.
The default password can be changed using the System Setting option.
The System Config menu contains a total of ten functions:
System Setting
Use the System Setting option to set the date, time, language, UI color, and
Administrator password.
Media
Use the Media option to set the terminal brightness and volume and enable
or disable the keytone or key backlight.
Wireless
Use the Wireless option to set the mobile wireless options.
Wi-Fi
Use the Wi-Fi Info option to set the internet wireless options.
XCB Service
Use the XCB Service option to manage the XCB client.
Reset Config
Use the Reset Config option to restore all system parameters to the default
values.
Remote Load
Use the Remote Load option to load the system parameters.
Save Log
Use the Save Log option to open or close the log.
Power Saving
Use the Power Saving option to set the screen saver, sleep time, and sleep
delay.
AutoUDiskLoad
Use the AutoUDiskLoad option to enable or disable auto-loading from an
inserted USB flash drive.

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System Setting
Select the System Setting option to view the following options:
•Date&Time
•Language
•UI Layout
•Password
Date&Time
Set the date and time for the terminal.

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4.2.1.1.1 Date
Set the terminal date.
4.2.1.1.2 Time
Set the terminal time.

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System Language
Set the language for the terminal. The asterisk (*) indicates the current setting.
UI Layout
Set the color scheme for the terminal. The asterisk (*) indicates the current setting.

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Password
Set the Main Menu password. Enter the current case sensitive password, then a new case sensitive
password. Re-enter the new password. If the passwords match, the password is changed.