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Operating Instructions
40
• The cables for the external microphone and external speaker must be
shielded, and less than 3 m long. Using nonstandard cables may cause sound
interference due to strong radio waves.
• The external microphone input terminal does not correspond to a line level.
Audio may be distorted when the line level is input. Audio distortion will be
solved if you insert the following circuits. Under no circumstance should high
level audio, such as from a speaker, be connected to this input terminal. Doing
so is likely to damage the camera.
MIC
EXTSP
For Microphone
For Speaker
External Microphone
(Plug-in power +3.3 V)
GND
External Speaker
Not
Connected
Signal
GND
Signal
(Output impedance 560 line level)
3.5 mm mini plug
3.5 mm stereo mini plug
Cable diameter : 2 0.3 mm or below
Camera
External Microphone
Input Terminal
Audio Line
Out
CapacitorResistor
1 F33 K