Nab QT850 User manual

Page 1 of 10
How to process a Refund
Step 1
Press on “Merchant Menu” on screen, select “Transactions” and
select “REFUNDS”.
Step 2
Enter the refund password and press ENTER key or press
“Continue” on screen.
Step 3
Enter the Refund amount using number keys on PINPAD.
Step 4
Press ENTER key or press “Refund amount” on screen.
Step 5
Ask the card holder to TAP, INSERT or SWIPE.
Step 6
On PIN entry screen, ask the customer to enter PIN and press
ENTER.
Step 7
Once processed, terminal will display response (Approved/
Declined) on screen.
Step 8
Terminal will print Merchant receipt with a prompt to print
customer copy.
How to complete a Sale
Step 1
Enter the sale amount using the number keys on PIN-PAD and
press ENTER key or press “Proceed to pay” on screen to continue.
Note: For correction, press “←” key to clear the value or “X” to
cancel.
Step 2
Making sure that the cardholder can read the transaction, ask
the cardholder to TAP, INSERT, or SWIPE their card on Terminal.
Note: Card can be tapped on the screen or inserted into the
reader on the bottom of the terminal or swiped across the reader
on the top of the terminal above the printer.
Step 3
For insert & swipe cards, cardholders will be prompted to select
the account selection if applicable or account type (Cheque,
Savings and Credit).
Step 4
Cardholders would be required to enter PIN & press ENTER.
Note: Contactless cards do not require PIN or signature for
amount below $100. Some cards allow bypass of PIN and ask for
Signature.
Step 5
Once processed, terminal will display response (Approved/
Declined) on screen. Remove the card if inserted.
Step 6
Terminal will print Merchant receipt with a prompt to print
customer copy.
Getting Started
Turn on: Ensure the terminal is charged and keep the “Enter” key pressed until
the screen turns on.
Turn o: Select “Merchant Menu” > “Settings” > Scroll down to “Power o”.
Menu: Select “Merchant Menu” for refunds, settlement and settings.
Schemes supported: Visa, Mastercard, epos, Amex, UnionPay
Network: 4G and WiFi
Quick Reference Guide
NAB QT850 Terminal
Release 1.3

Page 2 of 10
How to view/print previous transaction receipt
Description
View the previous 10 transactions processed on the terminal.
This includes both approved and declined transactions.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Transactions” and press “Past Transactions”.
Step 3
Transactions can be viewed in the Past Transaction screen as
below.
Step 4
Select one of the transactions with an option to reprint
the receipt.
How to reset password
Description
Refund transactions are protected with a password to protect
you against fraud. You can reset this password on the terminal
or call the Merchant Service Centre.
Note: It’s a good idea to change your password regularly
Step 1
Press on “Merchant Menu” on screen.
Step 2
Select “Settings” and “SET-UP”.
Step 3
Enter the current password and press ENTER key or “Continue”.
Step 4
Enter the new password and press “Set passcode”.
Re-enter passcode.

Page 3 of 10
How to perform a manual Purchase Key
Entry transaction
Description
Manual Key Entry applies to Visa, Mastercard and Amex.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Transactions”, then “Key Entry Purchase”.
Step 3
Enter Card Number, Expiry Date and CVV.
Step 4
Select a reason if CVV is not entered, then select “Conrm” to
continue or “Back” to Card Number, Expiry Date.
Step 5
Ask the cardholder to sign and verify customer’s signature.
How to perform a MOTO transaction
Description
MOTO applies to only Visa and Mastercard transactions.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Transactions”, then “MOTO”.
Step 3
Enter Card Number, Expiry Date and CVV.
Step 4
Select a reason if CVV is not entered, then select “Next” to
proceed or “Back” to Card Number, Expiry Date.
Step 5
Select MOTO Type, then “Conrm” to proceed to process
payment or “Back” to previous screen.

Page 4 of 10
How to perform manual settlement
Description
Manually perform settlement when required for that day and
view the settlement transactions on terminal.
Step 1
Press on “Merchant Menu”. Select “Settlements”.
Step 2
Select “Manual Settlement”, then “Settle”.
Step 3
If auto settlement is turned o, a message will display with
option to settle and/or print receipt. Press “Clear” on the keypad
to return to previous screen.
Note: If settlement has already happened, “Already Settled” will
display on the terminal screen.
How to view last settlement
Description
View Settlements for the last 30 days.
Step 1
Press on “Merchant Menu”; Select “Settlements”.
Step 2
Select “Last Settlement” and choose a date from the date picker
and press OK to continue or Cancel.
Step 3
Transactions will display on the terminal screen and option to
print Last Settlement receipt.
Step 4
If there’s no settlement happened for the selected date,
“No settlement to display for this date!” will display on the
terminal screen.
If auto settlement is turned on, please turn this o before
proceeding with manual settlement. Refer to “How to enable/
disable auto settlement” for more information.

Page 5 of 10
How to view pre-settlement transactions
Description
View/Print totals for transactions processed from last settlement
to current time. This will not settle the terminal.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Settlements” and press “Pre Settlement”.
Step 3
Transactions will display on the terminal screen and option to
print Pre Settlement receipt.
How to enable/disable auto settlement
Description
Enable or disable auto-settlement and congure auto settle time
on the terminal.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Settlements”; then “Auto Settlement”.
Step 3
You can turn on (enable) or o (disable) auto settlement.
To enable, select “Choose a dierent time” to set a time.
Merchant Choice Routing (MCR)
Description
Merchant Choice Routing applies to Visa/Mastercard (debit).The
thresholds are setup in TMS (Terminal Management System).
Step 1
Merchant Choice Routing applies to Visa/Mastercard (debit).
To set up the thresholds, call the Merchant Service Centre.
When MCR is enabled, “Merchant Choice Routing Enabled” is
displayed on the terminal.”
Step 4
Once auto settlement is enabled, all terminals under the same
Merchant ID will have the same settlement time.
Note: Once auto settlement is enabled, all terminals under the
same Merchant ID will be having settlement at around the time.

Page 6 of 10
How to charge terminal
Step 1
Connect the power adaptor to the terminal USB type-C connector located on the le-hand side of the terminal.
Step 2
Connect the power adaptor to the supply mains network.
Step 3
Check the battery charging icon on the status bar at the top right of the device to ensure terminal is getting charged.
How to change paper roll
Step 1
Open the paper compartment located at top of the screen by holding the terminal and liing sides of printer lid upwards and back.
Step 2
Insert the paper roll in compartment. When the paper roll is in place, ensure paper feeds from the bottom of the roll and towards the
terminal screen.
Step 3
Pull the paper up towards the top of the terminal & hold. Close the lid until you hear a “click” sound to ensure lid has been closed
properly.
Note: An “Alert - Out of paper” will appear on the terminal screen if paper runs out whilst printing the receipt. Load paper and press
“Continue”.
Press “Merchant Receipt” to print/reprint the merchant receipt or “Skip” to skip printing the merchant receipt.
Press “Customer Receipt” to print the customer receipt or “Skip” to skip printing the customer receipt.
How to connect to WiFi
WiFi can be set up through status bar or through Android settings.
1. Swipe from the bottom of screen upwards, and press on the “.” (dot) and click on Launcher.
2. Press “Settings” and press “Network & internet”.
3. Press “WiFi”.
4. From the WiFi settings turn on WiFi, your device will automatically search for available WiFi network.
5. Select the name of the WiFi network that you want to join. Enter network’s password (if applicable) and press Connect.

Page 7 of 10
How to refresh terminal conguration
Description
Performing a manual refresh to the latest terminal conguration – update of conguration of a feature. E.g. Turn on or o MOTO in TMS
(Terminal Management System).
Step 1
Press on “Merchant Menu”.
Step 2
Select “Settings”, then “Refresh Terminal Cong”.
Step 3
Message “Updating terminal cong …” will appear on the screen.
Step 4
Message “Terminal Cong Updated” will appear on the screen once the update is completed.
How to power o terminal
Description
Power o the terminal via the payment app.
Step 1
Press on “Merchant Menu”.
Step 2
Select “Settings”, then “Power O”.
Step 3
An alert will appear on the screen. Select “Power O” and the terminal will be switched o. To go back, press “No” .

Page 8 of 10
How to perform a manual soware update
Description
Performing a manual update to the latest terminal soware.
Step 1
Press on “Merchant Menu” and select “Settings”.
Step 2
If there are no updates to the soware, the following message “You are already on the latest version” will be displayed at the bottom of
the screen.
Step 3
Select “Update Soware”. The screen will navigate to the “DMG Updater” menu and check for the latest soware.
Step 4
Select “NAB Payment App” to download the latest version. The terminal will restart aer the update is completed.

Page 9 of 10
Automatic soware update
Description
Note: Terminal must be charging and the battery level must be more than 20%.
Step 1
A pop-up message with timer (remaining seconds) “A scheduled soware update will be initiated in 60 seconds. If you do not wish to
update now, please press Skip.
Auto soware update will take place aer 60 seconds and the terminal will restart.
Conrmation of a successful update will appear at the bottom right of the screen (e.g. S/W 1.x.x).

Page 10 of 10
Icons & Keys
Icons
Battery Charging
WiFi
Bluetooth
Settings
SIM Card
Launcher
Do not Disturb
Troubleshooting
Issue Next Steps
For printing issues • Open the paper compartment & ensure there is no paper jam and it’s been placed correctly.
• If the paper is damaged for any reason, replace with a new paper roll.
• If the printing issue persists, please contact our support team.
If terminal is frozen • Swipe up from the bottom of the screen.
• Press on the “.” (dot) and click on the Launcher.
• Select DMGNAB App again to reopen the app.
• Alternatively press and hold DMGNAB and drag the app to “App info”.
• Click on “Force Stop” to restart the app.
• If the problem persists, please contact our support team.
Support details
For help, please reach out to our Merchant Service Centre.
Phone: [phone] and Select Option 1.
Keys
Press Xto cancel the action
Press to clear
Press Oto Clear
Merchant Menu
©2023 National Australia Bank Limited ABN 12 004 044 937 AFSL and Australian Credit Licence 230686 A172237-0823