Section 4. USB Communications
memory so it will not change when the unit is power cycled. The value of this property, if any,
will be sent to the host when the host requests the device’s USB endpoint descriptor. When this
property is changed, the unit must be power cycled to have these changes take effect for the USB
descriptor. If a value other than the default value is desired, it can be set by the factory upon
request. Examples follow:
Example Set POLLING_INTERVAL property Request (Hex):
Cmd Num Data Len Prp ID Prp Value
01 02 02 0A
Example Set POLLING_INTERVAL property Response (Hex):
Result Code Data Len Data
00 00
Example Get POLLING_INTERVAL property Request (Hex):
Cmd Num Data Len Prp ID
00 01 02
Example Get POLLING_INTERVAL property Response (Hex):
Result Code Data Len Prp Value
00 01 0A
TRACK_ID_ENABLE PROPERTY
Property ID: 3
Property Type: Byte
Length: 1 byte
Get Property: Yes
Set Property: Yes
Default Value: 95 (hex)
Description: This property is defined as follows:
id 0 T
3
T
3
T
2
T
2
T
1
T
1
Id 0 – Decodes standard ISO/ABA cards only
1 – Decodes AAMVA, CA DL/ID and 7-bit cards also
T
#
00 – Track Disabled
01 – Track Enabled
10 – Track Enabled/Required (Error if blank)
This property is stored in non-volatile EEPROM memory so it will not change when the unit is
power cycled. When this property is changed, the unit must be power cycled to have these
changes take effect. If a value other than the default value is desired, it can be set by the factory
upon request.
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