
User Manual Service and Maintenance 17
To replace the secondary fuse
1 Access the circuit board as described earlier.
2 Replace the fuse with one of the same size and rating.
DMX MODE
• You can switch between DMX modes 1 and 2 by setting or removing the
jumper between pin 1 and 2 on PL113 as shown.
CPU SOFTWARE
The RoboColor III control software can be updated when new features become
available. Software can be supplied by your Martin dealer as P/N 62122026.
Please check with your Martin dealer to find out if the software upgrade requires
any mechanical changes to the RoboColor III system.
To update software
Important! To avoid damaging the CPU by electrostatic discharges, touch the
heat sink of the voltage regulator (IC102) before and when removing
or inserting the CPU.
1 Access the circuit board as described earlier.
2 Remove the existing CPU (IC101) from the PCB.
F202, 3.15AT/250V (slow blow)
PL113
1
Set jumper between
pin 1 and 2 to
enable extended
DMX mode
(mode 2).
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