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LED INDICATORS
D1 (SOIRX)
This indicator will flash when RS422 data is being
received from the remote control port.
D2 (SIOTX)
This indicator will flash when RS422 data is being
transmitted to the remote control port.
D3 (DAT2)
This indicator will flash when network data is being
received from the RollCall
remote control port.
D4 (DAT1)
This indicator will flash when network data is being
transmitted to the RollCall
remote control port.
D5, D6, D7 & D8
These indicate that the -6 V, +5 V, +6 V and -5 V power
supplies are present.
D9 (INPUT)
This indicator will illuminate if the input is present.
D10 (REF)
This indicator will illuminate if the reference signal is
present.
D11 (ERROR)
This indicator will illuminate if an error is detected
e.g. selected input is missing or selected reference is
missing or the wrong standard.
D12 (EDH)
This indicator is non-operational.
D13 (SCL) and D14 (SDA)
These are internal status indicators
D15 (ILF)
This indicator will flash if an internal load fault is
detected; continious illumination indicates a faulty unit.
SECTION 4
Operation
MDD550050398
Software Version 1.3.1 onwards 4.4