Dell Axim X51 Owner's Manual page 130

Controls and Lights
Navigation
Buttons:
Lights:
Expansion Slots
Secure Digital memory card
CompactFlash card
Ports and Connectors
Infrared
Cradle/synchronization connector 36-pin connector
Audio
130
Appendix
5-way navigation button
four program buttons: Calendar, Contacts,
Messaging, Home
power on/off
on/off button for WLAN/Bluetooth
wireless technology
voice record button
reset button
lock button
synchronization/communication
event notification
charge status
one Secure Digital memory card slot (3.3v)
supports 1-bit and 4-bit SDIO card
one CompactFlash Type II card slot (3.3v)
standard v1.2 (115 kbps)
stereo headphone with mono microphone
supported connector
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