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4 - encoding keys, Methods of encoding, Key fields – Gasboy FMS KE200 User Manual

Page 69: 4 – encoding keys, Methods of encoding key fields, Encoding keys

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MDE-4465A KE200 Key Encoder/Maintenance Terminal Operation Manual · October 2007

Page 63

Methods of Encoding

Encoding Keys

4 – Encoding Keys

Methods of Encoding

Encoding a key involves electronically writing user-identification information for system
access onto a Fleetkey. There are three methods for encoding: from the KE200 keypad, from
the KE200 data terminal using the “EN KE” command, and from the FleetKey system with the
encoding option (refer to the FleetKey Operation Manual for details on encoding with this
option).

Key Fields

The encoded information on the Fleetkeys is broken down into fields, which appear in a set
order with regard to location and length. The system provides up to 20 characters of variable
identification fields (19 numeric for CFN) that allows you to customize the system to your
particular information requirements. The names and sizes of these variable fields were
specified at the time of your system order. You can have any combination of fields totaling up
to 20 characters (19 for CFN). However, the maximum number of separate fields is eight. You
may also specify which key(s) the various information fields are encoded on in a dual key
application, with one exception. In dual key systems where VEH is used as an ID field, this
field must be encoded on the Vehicle key (key type 2).

This section describes the information fields encoded on the keys. You do not have to use all
the fields. If you choose not to use certain fields, you can zero-fill the fields (where allowed)
when you are encoding the key.

Field Name

Size

Field Name

Size

Key Type

1 digit

Odometer Retries

2 digits

System ID

4 digits

Minimum Miles

4 digits

Key Number**

5 digits

Maximum Miles

4 digits

ID Fields (8 maximum)

20 chars. Total

Vehicle Class**

2 digits

19 for CFN ***

Maintenance A Odometer**

7 digits

Expiration Date

4 digits

Maintenance A Date**

6 digits

Product Limit

1 digit

Maintenance B Odometer**

7 digits

Product Authorization

1 digit

Maintenance B Date**

6 digits

Price Level

1 digit

Maintenance C Odometer**

7 digits

Check Digit

1 digit

Maintenance C Date**

6 digits

Previous Odometer

7 digits

PIN

4 digits

Last Odometer

7 digits

CRC*

4 digits

Reasonableness Check Digit

1 digit

-

-

*Calculated by the system. This field is not entered during encoding and is not displayed at the encoder.
**Not used by CFN.
***Numeric