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DCR-HC17E/HC19E/HC21/HC21E/HC22E/HC32/HC32E/HC33/HC33E
4.
Overall Noise Level Check
Mode
Recording and playback (PLAY/
EDIT mode)
EDIT mode)
Signal
No signal:
Audio left and right terminal of A/V
jack
Audio left and right terminal of A/V
jack
Measurement Point
Audio left or right terminal of A/V
jack
jack
Measuring Instrument
Audio level meter
Specified Value
Below
−
45 dBs
(IHF-A filter ON, 20 kHz LPF ON)
Checking Method:
1) Connect the audio left terminal of A/V jack to GND using a
1) Connect the audio left terminal of A/V jack to GND using a
jumper wire.
Connect the audio right terminal of A/V jack to GND using a
jumper wire.
Connect the audio right terminal of A/V jack to GND using a
jumper wire.
2) Record the signal.
3) Remove the jumper wires.
4) Playback the recorded section.
5) Check that the noise level is the specified value.
3) Remove the jumper wires.
4) Playback the recorded section.
5) Check that the noise level is the specified value.
5.
Overall Separation Check
Mode
Recording and playback (PLAY/
EDIT mode)
EDIT mode)
Signal
400 Hz,
−
7.5 dBs signal:
Audio <right> [left] terminal of A/V
jack
No signal:
Audio <left> [right] terminal of A/V
jack
jack
No signal:
Audio <left> [right] terminal of A/V
jack
Measurement Point
Audio <left> [right] terminal of A/V
jack
jack
Measuring Instrument
Audio level meter
Specified Value
Below
−
40 dBs
< > : Left channel check
[ ] : Right channel check
[ ] : Right channel check
Checking Method:
1) Input the 400 Hz,
1) Input the 400 Hz,
−
7.5 dBs signal in the audio <right> [left]
terminal of A/V jack.
Connect the audio <left> [right] terminal of A/V jack to GND
using a jumper wire.
Connect the audio <left> [right] terminal of A/V jack to GND
using a jumper wire.
2) Record the signal.
3) Remove the input signal, and remove the jumper wire.
4) Playback the recorded section.
5) Check that the signal level of the audio <left> [right] terminal
3) Remove the input signal, and remove the jumper wire.
4) Playback the recorded section.
5) Check that the signal level of the audio <left> [right] terminal
is the specified value.
3. Overall Distortion Check
Mode
Recording and playback (PLAY/
EDIT mode)
EDIT mode)
Signal
400 Hz, –7.5 dBs signal:
Audio left and right terminal of A/V
jack
Audio left and right terminal of A/V
jack
Measurement Point
Audio left or right terminal of A/V
jack
jack
Measuring Instrument
Audio distortion meter
Specified Value
Below 0.4%
(200 Hz to 6 kHz BPF ON)
(200 Hz to 6 kHz BPF ON)
Checking Method:
1) Input the 400 Hz, –7.5 dBs signal in the audio left and right
1) Input the 400 Hz, –7.5 dBs signal in the audio left and right
terminal of A/V jack.
2) Record the signal.
3) Remove the input signal.
4) Playback the recorded section.
5) Check that the distortion is the specified value.
3) Remove the input signal.
4) Playback the recorded section.
5) Check that the distortion is the specified value.
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