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41
Preparing the Audio Input System
Chapter 2 Preparations
3
Open the CAC-12 and remove the microphone
adaptor.
When attaching an ECM-673/674/678, use the
microphone adaptor supplied with the ECM-673/674/
678.
4
Place an external microphone (electret condenser
microphone such as the ECM-673/674/678) in the
CAC-12.
5
Connect the microphone cable to the AUDIO IN CH-
1 or CH-2 connector.
6
Set the switches as follows.
• Set the AUDIO IN input selection switch as
indicated below, depending on the type of
microphone used.
- When using a microphone with an internal
power supply, set it to MIC (center).
- When using a microphone with an external
power supply, set it to MIC +48V ON (right).
• Set the AUDIO IN (CH-1/CH-2/CH-3/CH-4) switch
for the channel to which the microphone is
connected to REAR (for CH-1/CH-2) or R (for CH-
3/CH-4).
7
Switch the input level to match the sensitivity of the
microphone used.
Switch the input level by changing the REAR MIC
REF setting on the AUDIO-1 page of the
MAINTENANCE menu (factory default setting is –60
dB).
For more details, see page 119.
• If the input level on this unit is not at an appropriate
setting for the microphone sensitivity, loud sounds may
be distorted, and the signal-to-noise ratio may be
affected.
• In order for the AUDIO IN CH-1 and CH-2 connectors
on the camcorder to be able to provide a phantom 48 V
power supply, female XLR connectors (3-pin) are fitted.
If the microphone cable has a female connector, use an
adaptor.
• When you detach a CAC-12 Microphone Holder once
you have attached to the camcorder, be careful not to
lose the two screws fixing the CAC-12 (in step 1). After
detaching the CAC-12, be sure to put the two screws
back into their original places.
Attaching a UHF Synthesized Tuner
You can record sound by using a wireless microphone
system consisting of the following.
• WRT-804/807S UHF Wireless Microphone
• WRT-822/824 UHF Synthesized Transmitter
• WRR-855/861/862 UHF Synthesized Tuner
For the power source of this wireless microphone system,
use Sony lithium-ion battery packs.
For details on using the wireless microphone system, see
the operating instructions for the microphone and tuner.
Microphone adaptor
Open the CAC-12.
Loosen the screw.
ECM-673/674/678 or
similar microphone
Close the CAC-12.
Tighten the screw.
m
Notes
Note
to AUDIO IN CH-1/CH-2
connector
Monaural microphone
AUDIO IN (CH-1/CH-2)
switches