7
SECTION 3. OPERATION
ACTIVE INTERFACE
This reader communicates either via the Bluetooth interface or via the USB interface. When it
first powers up, if the USB cable is attached, it is receptive to commands on both interfaces.
Once it receives a command on one interface, that interface becomes the Active Interface and the
other interface is disabled. The Active Interface stays active until the reader is disconnected
from the USB cable or a
Relinquish Interface
command is received. A
Relinquish Interface
command allows both interfaces to be receptive to commands again. Only the SPP version of
the BulleT can receive commands over Bluetooth. The keyboard version can’t receive
commands over Bluetooth. The keyboard version can only send card data over Bluetooth.
If the reader is connected to a USB cable and the Active Interface is Bluetooth, any event that
would cause the reader to power down if it were not connected to the USB cable will have the
same effect as a
Relinquish Interface
command.
The intention here is to allow the user to communicate with the reader using whichever interface
is convenient while giving the user a method to enable the other interface at any time. For a
more detailed description of the USB interface, refer to the
MagTek Technical Reference Manual
for Dynamag MagneSafe Swipe Reader
(99875482). The full USB communication command set
can be found in the
MagTek Communication Reference Manual for USB MagneSafe V5 Readers
(99875475)
USER SWITCH
The User Switch, or Power Switch, is located on the side of the reader. Pressing the User Switch
when the reader is off will turn the reader on. The reader will stay on for a predetermined
amount of time (the default is 120 seconds) or until the completion of a card read transaction.
Pressing the User Switch and holding for approximately one second when the reader is on will
extend the Activity Timer to its full period, avoiding having the reader turn off due to inactivity.
If the power is already on, pressing the User Switch and holding it for three seconds will turn the
reader off.
LED INDICATOR
The LED indicator will be either off, red, green, or amber (see table below). When the reader is
not powered and not connected to USB/power supply, the LED will be off.
When the BulleT reader is first turned on, the LED will flash amber, turn momentarily red and
then go to rapidly flashing green unless the battery power is too low, in which case it will be red
for two seconds then turn solid green. The LED will continue rapidly flashing green until either
a valid host connection is made or the reader times out. When the LED shows a solid green, the
reader is either awaiting Authentication (if configured to require Authentication) or armed to
read (if configured NOT to require Authentication).
When the BulleT reader is attached to a USB cable or other 5 volt power source, the battery will
begin charging. The LED will
slowly
blink amber while the battery is charging and then turn
solid amber when the battery is fully charged. If the battery voltage is too low, the LED will
