Sony CA-TX7/TX7P Operating Instructions Manual page 8

Location and Function of Parts
6 MIC IN +48V (CH1/CH2) switch
Selects whether or not to supply power to a
microphone connected via the MIC IN CH1 and CH2
connectors.
ON: Supplys +48-V power to microphone.
OFF: Do not supply power to microphone.
Leave this switch in the ON position when using a
microphone of phantom powering
7 UHF portable tuner taps
When using an optional WRR-810A UHF Portable
Tuner, attach the holder and bracket (supplied with
the WRR-810A) for the portable tuner mounting
adapter.
For details of attaching and using the WRR-810A, see the
Operating Instructions for the WRR-810A.
8 CURSOR switch (for DXC-D30/D30P)
Selects whether or not to display a box cursor in the
DXC-D30/D30P Color Video Camera's viewfinder.
B: Displays box cursor B.
A: Displays box cursor A.
OFF: No box cursor is displayed.
Note
No cursor is displayed in the viewfinder when using a
DXC-637 series camera.
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1) Phantom powering: Powering method for operating
condenser microphones by supplying power via a bias
power source and an amplifier. Because no DC voltage
is present in the audio channel, it is called "phantom
powering".
8
1)
type.