GFK-2721A
Chapter 1 Introduction
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MAINT LED
The MAINT LED indicates whether or not the VersaMax PNS is in Maintenance Mode. The
MAINT LED blinks amber (0.5 seconds ON/0.5 seconds OFF) when the PNS is in Maintenance
Mode. The LED is OFF when the PNS is working normally. For details on Maintenance Mode
operation, see chapter 5.
COMM LED
The COMM LED is OFF when a USB connection is not established and ON when the link with a
computer is ready. The COMM LED flashes green when there is traffic such as Winloader
activity on the port.
MAINT Switch
The MAINT pushbutton switch can be used to place the VersaMax stick in Maintenance mode.
This switch is located behind the door on the front panel of the PNS to prevent accidental
operation.
To change from Normal Mode to Maintenance Mode, press and hold the MAINT pushbutton for
at least 3 seconds. To exit Maintenance Mode and re-enter Normal Mode, press and hold the
for at least 3 seconds. The new mode will be entered while the pushbutton is depressed. the
MAINT LED indicates when the new mode is active. Any single press of the pushbutton causes
only a single Mode change, regardless of how long the pushbutton is depressed. The PNS does
not change its mode of operation until the pushbutton has been released for at least 0.5
seconds before it is pushed down for another 3 seconds. For details on Maintenance Mode
operation, see chapter 5.
