Honeywell VX3Plus, Reference Manual, Page: 23 / 282

Note: The backup battery should only be changed by authorized service personnel.
Audio Interface
An interface is available for headset operation. When a headset is plugged into the audio jack on the endcap, the main speaker
is disabled.
PCMCIA and CF Slots
Use and operation of the Personal Computer Memory Card International Association (PCMCIA) device (e.g. PC card) is
dependent upon both the type of device installed and the application(s) running on the computer. Make sure the proper software
is pre-loaded and PC cards are properly configured.
PCMCIA – Network or SRAM Cards
When removing or installing the network card, protect the internal components and the network card from electrostatic
discharge.
The VX3Plus has one internal PCMCIA slot that conforms electrically to PCMCIA 2.1 specifications. The PC Slot supplies
0.75 of an amp at 5Volts or 3.3Volts. Battery voltage is supplied through unused pin 35 to support a WAN client device in the
slot. The PC slot is accessible by the use of a Phillips screwdriver to first loosen the endcap. It accepts Type I or II cards only.
Slot 0 accepts PCMCIA 802.11 network cards or SRAM/Flash memory cards.
CF – CompactFlash Card
The VX3Plus has one internal CompactFlash card port that supports Type I and II CF+ cards. The slot is accessible when the
endcap has been loosened.
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