Verifying Terminal Status; Entering System Mode - VeriFone MX 900 Series Reference Manual

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Verifying Terminal Status

The MX 900 Series terminal you are working with may or may not have an
application program running on it. After you have set up the terminal and the
terminal is turned on, use the following guidelines to verify terminal status
regarding software and current operating mode.
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Entering System Mode

With an application loaded, use the following procedure to enter System Mode.
Note:
1. With the application running, push a paper clip into the small recessed
Recessed Button
If there is no application program loaded into terminal flash, the terminal
enters the System Mode screen.
If an application program is loaded into terminal flash, an application-
specific prompt appears. The application runs and the terminal is in
normal mode.
Before entering System Mode and selecting the function(s) to perform,
verify that the MX 900 Series terminal has been installed as described in
the MX 900 Series Installation Guide. Make sure that the terminal is
connected to a power source and is turned on.
button on the bottom near the serial number. The three blue LEDs light.
Release the button. Alternatively, pressing the '1', '5', '9' keys at the same
time will cause the terminal to go into System Mode.
MX 900 Series Reference Manual
September 14, 2012