Canon HF M31 - Manual (Page 148)

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Additional Information
• Using focus assistance will not affect the recordings. It will be cancelled
automatically after 4 seconds or when you start recording.
[Auto Slow Shutter]: The camcorder automatically uses slow shutter
speeds to obtain brighter recordings in places with insufficient lighting.
• Minimum shutter speed used: 1/25; 1/12 when the frame rate is set to
[D PF25].
• The auto slow shutter can only be activated when the recording pro-
gram is set to [ A Programmed AE], but the setting will not change even
if you set the camcorder to mode.
• If a trailing afterimage appears, set the slow shutter to [B Off].
• If Y (camcorder shake warning) appears, we recommend stabilizing
the camcorder, for example, by mounting it on a tripod.
• When the recording program is set to [ r Underwater] or [s Surface],
the auto slow shutter is automatically set to [B Off].
[Wind Screen]: The camcorder automatically reduces the background
sound of wind when recording outdoors.
• Some low-frequency sounds will be suppressed along with the sound
of wind. When recording in surroundings unaffected by wind or if you
want to record low-frequency sounds, we recommend setting the wind
screen to [B Off Z].
[Microphone Attenuator]: Helps prevent audio distortions due to high
audio recording levels.
• Set the microphone attenuator to [A On V] when the audio
recording level ( 0 77) is set correctly but the audio still sounds dis-
torted. When the microphone attenuator is activated, V appears on
the screen.
• When the recording program is set to [ r Underwater] or [s Surface],
the microphone attenuator is automatically set to [B Off].
[Surround Mic Directionality]: Sets the directionality mode of the optional
SM-V1 Surround Microphone.
[z Surround]: Records 5.1ch surround sound.
[w Zoom]: Records 5.1 audio channels. Additionally, the audio is linked
to the zoom position. The larger the subject appears on the screen, the
louder the sound will be as well.
[x Shotgun]: Records monaural audio with a highly directional setting
that is most sensitive to sound coming directly from the front of the cam-
corder/microphone.