PAGE 9 OF 9
NOVEMBER 2001
IM-261101-CWC-R0
Trouble Shooting
Problem
Possible Problem
Possible Solution
Batteries on Visor are installed
incorrectly.
Reinstall batteries correctly. Make sure the (+) and (-) signs on the
batteries line up with the signs on the inside of the battery
compartment.
Batteries are dead
Install new batteries
CardTool is not
working
Visor hardware failure
Contact Handspring Technical support at
www.handspring.com
CardDemo not configured with
appropriate data decoding
algorithm
Check CardDemo configuration via the main menu and ensure
decode algorithm is appropriate for card. Note: Additional decode
algorithms available to developers using System Development Kit
(SDK).
Magnetic Card may be damaged
Visually inspect magnetic stripe to ensure there is no obvious
mechanical defects. Test card in another reader to ensure card has
not become partially or totally demagnetized.
CardTool is damaged
Run diagnostics item from main menu. If still experiencing problems,
contact TokenWorks technical support.
CardDemo is
not decoding
card data -
"decode error-
swipe again"
Magnetic Card may be mis-
aligned during cardswipe
Ensure card is being held flush to base of card track during swipe.
Try swiping at different speeds, in a different direction, holding the
card at different locations, or changing the orientation of the
Handspring.
Visor powers off
during operation
The auto time off setting is turning
off the Visor to save batteries.
Change the auto time off to the longest value or just turn the unit
back on. Application designers should take this into consideration
when developing programs.
Appendix A Magnetic Stripe Encoding of Financial Cards
Track Name
RECORDING
DENSITY
(bits per inch)
CHARACTER
CONFIGURATION
(including parity bit)
INFORMATION CONTENT
(including control characters)
0.110" Track 1 IATA
210BPI
7 BITS PER CHARACTER
79 APHANUMERIC CHARACTERS
0.110" Track 2 ABA
75BPI
5 BITS PER CHARACTER
40 NUMERIC CHARACTERS
0.110" Track 3 Thrift
210BPI
5 BITS PER CHARACTER
107NUMERIC CHARACTERS
