PostFinance PAX A77 User manual

Contents: Overview of the device
Delivery contents
Setup
Accepting payments
Further settings
PAX A77
User Manual
User manual for the basic functions of the PAX A77

With the PAX A77, you have chosen a top-quality terminal based on Android that offers you numerous
possibilities with intuitive operation. With its integrated reader for contactless payment methods, card reader,
cameras and much more, the lightweight terminal is the perfect choice for accepting modern payment
methods in your business.
Overview of the device
Tab for opening the
battery compartment (15)
Reader for contactless
payment methods (12)
Battery compartment (14)
with battery and slot for
SIM card and microSD card
Pogo Pin Connector (16)
Speaker (1)
Reader for
magnetic stripe (11)
Rear camera with
LED ash (13)
Headphone port (9)
Quick Scan Button for
the barcode scanner (4)
Volume control (6)
Volume down / Volume up
Light sensor &
Front camera (3)
Barcode Scanner (2)
Power on/off Button (5)
Touch screen (7)
Reader for cards with chip (8)
USB-C charging port (10)

Delivery contents
Device
PAX A77
Adapter + cable
USB-C / USB
The initial setup and installation of your new PAX A77 is very simple.
In just a few steps, your device is ready to handle your payment transactions. If you have any questions during
setup, our support team will be happy to help.
Setup
4G data connection
All PAX A77 are equipped with a SIM card,
already installed in advance and thus ready for
use immediately when switching on. Therefore,
you can also use the mobile data connection for
activation.
1. Charging the device
Before using the unit for the rst time, it should be
fully charged. To do this you can charge the terminal
directly via the USB cable supplied. Use the the
USB-C port on the top side of the unit (10).
2. Switching the device on / off
Press and hold the Power on/off button (5) for
2 seconds. To switch the unit off again, press the
same button until you see a button until you see
a selection menu with four options (Flight mode,
Silent mode, Restart, Power off) and select the
option „Power off“.
3. Set up Wi-Fi®/ WLAN
Once your device is fully charged and switched on,
you must rst set up your Wi-Fi®connection before
you can you can enter the activation code (step 4).
– Select the settings icon in the upper left corner
– Select „Device settings“ and enter your
merchant password if necessary
– Select „Conguration WiFi“
– Select your Wi-Fi®/ WLAN network, enter the
password of your of your network and conrm
– Once you are connected to your WLAN, return to
the start screen and return to the home screen
and continue with the activation of your account
(step 4).
4. Activate account
As soon as you have a WIFI connection (or mobile
data connection), you can activate your account.
Return to the the start screen and enter the activa-
tion code that you will receive from PostFinance. You
will nd this code in your „Space“ in the checkout
back-ofce-tool under „Terminals“. The current
conguration will automatically be loaded onto the
device. Please do not interrupt this process until you
see the start screen again. If you have any questions
our support team will be happy to help you.
Perfect!
You have completed the initial setup of your PAX
A77 and can now start using your terminal to accept
modern payment methods.

Accept a payment
To accept a payment or make a sale on your device
on your device:
– Click on the Card icon on the home screen
– Enter the payment amount and conrm
– If the tip function has been activated, you will see
a second input window in which you can enter
and conrm the tip (optional)
– Now your customer can present the card
or contactless payment method
– The transaction will be completed
Manual entry of payment details (optional)
Accept a new payment by clicking on the Card icon
on the home screen and entering the payment
amount. Then click on „Manual entry“. Your customer
then has the opportunity to enter his card details
(card number, security code CVV, validity). Finally,
the total amount is displayed once again and asked
for conrmation.
The functionality for manual entry is not available
for all payment methods, is optional and must be
activated by PostFinance.
Refund a payment
To refund a payment to an existing card on your
device:
– Click on the menu icon and enter your
merchant password when required
– Select the menu item „Credit“ and enter the
merchant password if necessary
– Enter the total amount to be refunded
– Now your customer can present the card or
contactless payment method to which the refund
should be made
Refund for manual entry (optional)
Click on the menu icon , enter your merchant
password, select the menu item „Credit“ and
conrm again with your merchant password if
necessary. Select „Manual entry“. You can then enter
the card details of the card to which you want to
refund (card number, security code, CVV, validity).
Finally, the total amount will be will be displayed and
you will be asked to conrm.
The functionality for manual entry is not available
for all payment methods, is optional and must be
activated by PostFinance.
Daily closing
You can call up all individual receipts, reports and
much more at any time conveniently in your account
in the
checkout back-ofce-tool . The daily statement
is created on your terminal:
– Select the menu icon
– Now select „Reports“ and then „Daily closing“
The transactions of the day are now sent to the
acquirer and you will see a conrmation on the
display. You can then view the report in the checkout
back-ofce-tool. The reports should be generated
every day.
Cancel the last transaction
The last transaction can be cancelled very easily. To
do this, you need the means of payment with which
the payment was made:
– Select the menu icon
– Select „Cancel“ from the menu
– Enter your merchant password
Many functions on your PAX A77 are intuitive to nd and easy to use thanks to the modern touchscreen.
Below you will nd the basic functions for processing payments directly via the terminal (stand-alone use).
For integration into your POS system, you can obtain application instructions directly from the respective
manufacturer.
Accept payments

Payment reservation (Pre-auth) 1
If required, you can pre-authorise a means of
payment or reserve the payment:
– Select the menu icon
– Now select the area „Reservations“ and then
„Reservation“
– Enter the amount and present the card or contact-
less payment method (or optionally enter the card
details manually, as required).
Adjust a payment reservation (Incremental auth)
1
To adjust an existing payment reservation:
– Select the menu icon
– Now select the area „Reservations“ and then
„Increase Reservation“
– Enter the amount by which you want to increase
the existing reservation
– Now enter the Acquirer Id (Acq-Id) and the
corresponding relevant Transaction Reference
Number (Trx. Ref-No) and conrm
Finalise a payment reservation (Pre-auth compl.)
1
To complete an existing payment reservation:
– Select the menu icon
– Now select the area „Reservations“ and then
„Booking Reservation“
– Enter the Acquirer Id (Acq-Id) and the Transaction
Reference Number (Trx. Ref. No.) of the original
reservation and conrm
Cancelation of a payment reservation
(Pre-auth cancelation) 1
To delete an existing payment reservation:
– Select the menu icon
– Now select the area „Reservations“ and then
„Cancelation Reservation“
– Enter the Acquirer Id (Acq-Id) and the Transaction
Reference Number (Trx. Ref. No.) of the original
reservation and conrm
1Note on Pre-auth functions
The functions for pre-auth / payment reserva-
tions are only available to certain industries, e.g.
hotels, and must be approved by your acquirer.
In order to complete, adjust or cancel the
payment reservation you will need the Acquirer
Id (Acq-Id) and the Transaction Reference
Number (Trx. Ref-No). Make sure that you make
a note of these numbers or that you keep the
receipt of the reservation.

460.280.2 en 03.2022
This document is for information purposes only. PAX and the PAX logo are trademarks or registered
trademarks of PAX Technology Limited in China and/or other countries. Other trademarks or trade
names are the property of their respective companies. © 2022 PostFinance Ltd. All rights reserved.
As at 3/2022. Subject to changes, and errors excepted.
Changing the Merchant Password
If required, you can also change your merchant pass-
word of the terminal directly via the terminal. As a
general rule we recommend that you update your
merchant password via the checkout back-ofce-
tool.
However, to change the merchant password directly
via the terminal proceed as follows:
– Select the settings icon
– Now select the area „Change password“ and
conrm with your current merchant password
– Now enter a new password and conrm by pres-
sing conrm with Enter / the green button
Further Settings
Change language settings
Language settings can be changed in the checkout
back-ofce tool in the terminal congurations if
necessary.
We are available from 8 a.m. to 12 noon and from
1 p.m. to 5 p.m., Monday to Friday, to answer your
questions and enquiries.
Telephone [phone]
(max. CHF 0.08/min. in Switzerland)
E-mail checkout@postnance.ch
Any questions?