roco Z21 Signal Decoder User Manual

Model Railway Control Unit
WWW.Z21.EU
52
• Number = 2: The green LED lights up; the red and blue LEDs are off
• Number = 3: The green + red LEDs light up; the blue LED is off
• Number = 4: The green + red + blue LEDs light up
4. The number of signals can now be changed as often as desired by pressing the programming button briey. The
LEDs change accordingly.
5. After you have selected the desired number, hold down the programming button for at least 3 seconds until the blue “Status”
LED and white “Program” LED begin to ash together. Then release the programming button. You will then nd yourself in
“Conguration mode, Option 3”, see next section, step 4.
Factory setting: 2 signals.
6.1.3 Option 3 – Set addressing mode
This option is used to select between the “ROCO” or “RCN-213” addressing modes.
Preparation, if not already carried out:
1. Keep the programming button held down for at least 3 seconds until the white “Program” LED begins to ash. Then release the
programming button. The white “Program” LED will then ash normally once (short, pause; short, pause; etc.), and the green
LED will be lit continuously. The signal decoder is then in “Conguration mode, Option 1”.
2. Keep the programming button held down for at least 3 seconds again until the blue “Status” LED and white “Program” LED
begin to ash together. Then release the programming button again. The white “Program” LED will then ash normally twice
(short, short, pause; short, short, pause; etc.). The signal decoder is then in “Conguration mode, Option 2”.
3. Keep the programming button held down for at least 3 seconds again until the blue “Status” LED and white “Program” LED
begin to ash together. Then release the programming button again.
Changing the conguration mode:
4. The white “Program” LED will then ash normally three times (short, short, short, pause; short, short, short, pause; etc.). The
signal decoder is then in “Conguration mode, Option 3”. The current addressing mode is displayed by the red LED for
“ROCO” or the green LED for “RCN-213”.
5. The mode can now be switched over by briey pressing the programming button. The LEDs change accordingly.
6. After you have selected the desired addressing mode, hold down the programming button for at least 3 seconds until the blue
“Status” LED and white “Program” LED begin to ash together. Then release the programming button.
The new setting is then applied and conguration mode is exited. The white LED goes out and the blue LED indicates normal mode.
Factory setting: "ROCO".
INFORMATION: Use the “RCN-213” setting for operation on control centres from other manufacturers, see also section Oper-
ation on control centres from other manufacturers.

roco Z21 Signal Decoder Specifications

General

Brand	roco
Model	Z21 Signal Decoder
Category	Media Converter
Language	English