Upgrading Of Analogue Locomotives; Resetting The Z21 Digital Centre; Update Of Z21 Digital Centre - roco Z21 Benutzerhandbuch

2.5 Upgrading of Analogue Locomotives

Locomotives and components without decoder cannot be used in the
Due to the entirely different 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 refitted with loco decoders and so made suitable for use
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on your layout. With locomotives with a free slot and an operational digital interface, this is very
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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 flawlessly, please reset your
setting as follows:
▶ Press the stop key on the front of the unit.
▶ Keep the key depressed for 5 seconds. The LED light starts flashing in purple.
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This shows the Digital Centre has been reset to the factory setting. If the digital system still does
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not operate flawlessly, 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 firmware in the "Updates" section of software updates at the AppStore and Google Play.
The www.z21.eu website also contains a Z21 maintenance tool with which you can perform advanced
settings in addition to the updates.
8041500920.indd 43
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Digital System.
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Digital Centre to the factory
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Digital centre
Warning: Locomotives and compo-
nents without decoder cannot be used
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on the Digital System.
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Note: You can have your locomotives
converted in a professional workshop.
For a list of recommended suppliers,
see www.roco.cc
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14.12.2017 09:48:44