If you turn on the payment terminal for the first time or after it was off for a long time, it may make a maintenance call to synchronize the configuration and update the software which can take 10 to 20 minutes.
Turn on the terminal:
Connect the terminal to a power supply.
During startup, the display turns on and off a few times.
Reboot the terminal:
1. Go to Settings and select Power.
2. Enter your passcode.
3. Select Restart and confirm.
Turn off the terminal:
Disconnect the terminal from the power supply.
M400 - Table of Contents
M400 - Getting Started
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