Terminals

Guide to Physical Review and Proper Use

Learn everything you need to set up, use, and maintain your payment terminal securely and efficiently.

Learn everything you need to set up, use, and maintain your payment terminal securely and efficiently.

Last updateNovember 10, 2025

Physical Review and Proper Use Guide

Smart Mobile Payment Terminal
Ecart Pay S.A.P.I de C.V. 

1. What is this guide for?

This guide assists the end user to:

  • Physically check the equipment before using it.

  • Detect possible anomalies or risks.

  • Correctly use your Ecart POS and avoid damage.

  • Perform this check at the beginning of each shift or before using the device.

2. Quick physical review (Checklist)

Before operating the equipment, check the following:

  • Screen and casing

  • Screen free of cracks, scratches, or stains.

  • Casing firm, without dents or loose parts.

  • Payment readers

  • Chip slot clean and unobstructed.

  • Clean magnetic stripe reader.

  • Contactless area free of visible damage.

  • Cameras and scanner

  • Lenses clean and scratch-free.

  • Scanner free of dirt.

  • Security tag

  • Security tag (tamper label) intact and undamaged.

If the label is damaged or altered, DO NOT use the equipment and report it immediately.

3. Checklist

Identify the model of your Ecart POS terminal. The box you just opened should contain the following items:

Ecart POS (A920 Pro)
  • 1 x Smart Mobile Payment Terminal Ecart POS A920Pro

  • 2 x Thermal paper roll

  • 1 x AC power adapter

  • 1 x Battery

  • 1 x Cable

  • 1 x Quick setup guide

Ecart POS mini (A77)
  • 1 x Smart Mobile Payment Terminal Ecart POS A77

  • 1 x AC power adapter

  • 1 x Cable

  • 1 x Quick setup guide

4. Product description

  • Contactless payments

  • Card reader

  • Scanner

  • Magnetic stripe reader

  • Camera

  • Scan button

  • Increase volume (+)

  • Decrease volume (-)

  • Power button

  • LCD screen

  • Chip card reader

5. Proper use of the device

General use

  • Use only the original charger and cable.

  • Do not open or attempt to repair the equipment.

  • Do not force ports or slots.

  • Keep the equipment clean and dry.

  • Using cards:

    • Chip (insert):

      • Insert the card completely.

      • Do not remove it until the equipment indicates.

    • Contactless:

      • Hold the card or phone within 4 cm.

      • Keep the device still during reading.

    • QR / barcodes:

      • Keep the code clean and well lit.

      • Adhere to the recommended distance.

6. Instructions

  • Turn On / Off:

    • Turn On: Press and hold the power button for 5 seconds until the LCD screen lights up.

    • Turn Off: Press and hold the power button for 3 seconds until the shutdown menu appears, select Power Off > Click Power Off. The message Shutting Down (Powering Off). will appear.

  • Contactless transactions:
    Bring a contactless card or smartphone close to the top of the terminal, where the sensor is located (identified by the contactless icon).

  • Chip transactions:
    With the chip facing up, insert the card fully into the corresponding slot.

  • Magnetic strip transactions:
    Option not available.

  • Receipts:
    Detach the receipt at a 45° angle to the paper cutter.

  • Battery charging:
    When the charging cable is connected, the charging status will appear on the screen.

7. Usage tips

  • General

    • Avoid placing the device under direct sunlight for extended periods, or in environments with extreme temperatures, humidity, or dust.

    • Only qualified personnel should repair this product.

    • Before using cards in chip or magnetic stripe readers, ensure they are clean and free of foreign objects.

  • Charging and Battery

    • Charge the equipment when the battery is low.

    • Do not leave it connected for more than 24 hours in a row.

    • Avoid completely discharging the battery frequently.

    • If you do not use the equipment for a long time, charge it at least every 6 months.

  • What NOT to do

    • Do not expose the equipment to direct sunlight for prolonged periods.

    • Do not wet it or use it near liquids.

    • Do not hit or drop it.

    • Do not install unauthorized applications.

8. Important safety warnings

  • Do not expose the terminal or battery to direct sunlight, excessive heat, smoke, dust, or humidity.

  • Do not attempt to disassemble the battery or insert foreign objects into the casing. Never place the battery in fire or on hot surfaces.

  • Avoid strong impacts or falls that may cause leaks or fires in the battery.

  • Keep the battery out of reach of children and animals.

  • Immediately replace any battery that is deformed, swollen or overheated.

  • It is recommended to use only power adapters supplied by Ecart Pay.

    • If you use third-party accessories, make sure they comply with international specifications and regulations.

    • Using incompatible chargers or batteries can cause fires or explosions, and will void the product warranty.

  • Charge the battery when the level is low, but never for more than 24 hours in a row.

  • If the battery is not used for a long time, charge it at least every 6 months to avoid damage from overcharging or discharging.

  • For optimal performance, it is recommended to replace the battery every 2 years of continuous use.

  • Dispose of the device, battery or accessories responsibly and in accordance with local regulations. They should not be thrown away as household waste.

  • Use Ecart Pay adapters and cables for better battery life and device longevity.

  • If the battery has more than 2 years of use, consider replacing it.

9. In case of anomalies

If you detect:

  • Physical damage.

  • Strange messages on screen.

  • Constant failures in payments.

  • Damaged security tag.

Stop using it and report it to the support area.

10. Operating modes

The Ecart Pos terminals A920Pro and A77 have a battery management system (BMS) that protects the lithium battery from overcharges.
The terminal can operate in Desktop mode or Mobile mode.
(Select Settings > Battery > More settings > Power supply mode.

  • Desktop Mode
    The terminal is powered mainly by an external source (charging dock, adapter or wireless charging).

  • Mobile Mode
    The terminal operates mainly on battery power, without connection to an external source.

  • Charging and discharging parameters:

Mode

Full charge

Recharge

Mobile

100%

90%

Desktop

80%

70%

11. Environmental parameters

  • Working environment:

    • Temperature: -10°C to 50°C (14°F to 122°F) (without load).

  • Storage:

    • Temperature: -20°C to 70°C (-4°F to 158°F) (without load).

    • Humidity: 5% – 95% (without condensation).

12. Icons

Dispose of professionally / recycling

Class II equipment

Indoor use only

Energy efficiency marking

AC voltage (~)

DC voltage (DC)

microSD logo

ℹ️ Trademark notice:
The microSD logo is a trademark of SD-3C LLC.

13. Quick setup guide

Ecart Pay reserves the right to modify, at any time, the specifications and/or components of the product, as part of its ongoing commitment to continuous investment to keep its products updated and properly certified.

🏢 Manufactured by: Ecart Pay S.A:P:I de C.V.
📍 Address: Ignacio Morones Prieto 2110, Monterrey, Nuevo León Mexico. C.P: 64710.
📞 Phone: (+52) 81 2352 8962
🌐 Website: https://ecart.com

Proper use of the equipment protects your operations and the security of payments.

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