Upgrading Of Analogue Locomotives; Resetting The Z21 Digital Centre; Update Of Z21 Digital Centre - Roco Z21 Manuel D'utilisation

2.5 Upgrading of Analogue Locomotives

Locomotives and components without decoder cannot be used in the Z21 Digital System.
Due to the entirely diff erent voltage supply, the use of a non-decoder loco results in a highly irritating
high-frequency noise. In addition, there is a risk that the motors will be damaged.
However, many analogue models can be refi tted with loco decoders and so made suitable for use
on your Z21 layout. With locomotives with a free slot and an operational digital interface, this is very
simple and easy because as a rule, the decoder merely needs to be plugged into a free socket.

2.6 Resetting the Z21 Digital Centre

If your digital system no longer operates fl awlessly, please reset your Z21 Digital Centre to the factory
setting as follows:
▶ Press the stop key on the front of the unit.
▶ Keep the key depressed for 5 seconds. The LED light starts fl ashing in purple.
This shows the Z21 Digital Centre has been reset to the factory setting. If the digital system still does
not operate fl awlessly, contact your dealer.

2.7 Update of Z21 Digital Centre

When your smartphone or tablet PC is connected to the Internet, you can search for apps and the
Z21 fi rmware in the "Updates" section of software updates at the AppStore and Google Play.
Z21-Gebrauchsanleitung-A5quer_06052012_v20.indd 43 Z21-Gebrauchsanleitung-A5quer_06052012_v20.indd 43
Digital centre
Warning: Locomotives and com-
ponents without decoder cannot be
used on the Z21 Digital System.
Note: You can have your locomotives
converted in a professional workshop.
For a list of recommended suppliers,
see www.roco.cc/en/service-partner.
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