DNF Controls 2034CL-MAV-PBIO - Manual (Page 22)

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23. TROUBLESHOOTING
ST420 TROUBLESHOOTING
a.
All keys are RED - No communication with ST300.
b.
All keys are dark - No communication between the ST300 and the Video Server.
c.
The version of the ST420 must comply in the software version with the ST300 it is
connected to.
To determine the software version of the ST420 do the following:
1) Press [SHIFT] + [STOP] + [PLAY].
The key that displays the current version is RED.
2) The ST420 displays:
“SELECT ST300 V2.1 or V2.0 or V3.0.”
Press the key for the software version of ST300 you are using. Please refer to the ST300 to
determine the Version if needed.