The information contained here are property of DIGITAX Automotive Electronics Italy, and extremely confi dential.
Any disclosure, copying, distribution to third
party is strictly prohibited.
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Programming Keys
Service Programming Keys
The M1 MDT taximeter has 5 types of diff erent “Service Programming Keys”. Depending on what have to be modifi ed or
programmed it may be used one of these six keys.
Each key is inden fi ed with a label: “SProgK(X)” where X is the number of the key for its own purpose as detailed in this
document. Is not possible to use a programmed key for its own purpose to be use for another kind of service.
All these 5 types of Service Programming Keys are inserted in the same connector that is mechanical sealed as shown in the
picture below and as explained in page 5 of this technical manual. So to insert whatever key is necessary to break fi rst the
mechanical seal.
Here following is detailed the use for each key:
Service Programming Key 1 – SProgK1 Service Programming Key 2 – SProgK2
Func on:
- Clock se ng
- K-Constant Calibra on
Func on:
- Tariff Programming (Manually)
- Counters / Memories Reset
Service Programming Key 3 – SProgK3 * Service Programming Key 4 – SprogK4
(Black Programming Key)
Func on:
- Tariff Set Up Download
Func on:
- Serial Port Remote Tariff / Bios Upload Enabling
Service Programming Key 5 – SProgK5 *
Func on:
- Download Printer Texts
* Service Programming Keys 3 / 5: Set up are included in the general tariff checksum
d Enabli