Sony CMA-87 Operating Instructions Manual page 50

Internal Switch Function
S8 (Factory setting: C)
Sets the type of the connected camera module.
E: When connecting the XC-7500.
C: When connecting the XC-8500CE.
S9 (Factory setting: +)
Switches the trigger pulse input polarity(+/–).
S10 (Factory setting: EXT)
Inputs the HD signals to the unit (EXT) or outputs the HD
signals from the unit (INT).
S11 (Factory setting: EXT)
Inputs the VD signals to the unit (EXT) or outputs the VD
signals from the unit (INT).
S12 (Factory setting: OFF)
Sets to ON in the high-rate scan mode, sports mode or when
setting the shutter speed for E-DONPISHA from this unit.
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