Digital centre
Note: The firmware of your Zimo loco
decoder can be updated very conve-
niently via the programming track.
To do this, use the Z21 Maintenance
Tool. You can download it here:
www.z21.eu/en/downloads/software-
tools
Warning: Only one loco can be on the
programming track at a time.
Note: When setting the length of the
programming track, take the longer
tenders of steam locomotives into
account!
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2.7 Programming Track
You can use any partial section of your layout as a programming track – simply isolate it on both ends with
insulated rail connectors (Art. Nos. 42611, 61192, 6433 or 9403) or separator rails and then connect it to a
power supply element (Art. No. 61190) at the "Prog Track" socket of the Digital Centre.
To program a loco, simply drive it to the corresponding track section. Then change your Z21 App to program-
ming mode for details, see www.z21.eu/en/z21-system/z21-app/tutorials.
The Z21 XL Series now switches the track automatically into programming mode.