●Setup operation for Echo Canceller (Echo Canceller Effect Level Control)
The effect of Echo Canceller (the amount of echo erase) is set up.
Indicator | Echo Canceller | Sound Quality | Remarks | |
Level | ||||
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OFF | OFF | – | No Echo Canceller processing | |
Green |
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LOW | High | When the effect of echo is small, this position is selected. | ||
Yellow |
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MID | Normal |
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Red |
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HIGH | Low | When the effect of echo is large, this position is selected. This | ||
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| setting is default. (*1) |
*1: If the contents of conversation are difficult to get, set up the echo canceller level to MID.
●Setup operation for DNR Level (Digital Noise Reduction Effect Level Control)
The effect of DNR (Digital Noise Reduction) (the amount of noise reduction) is set up.
Indicator | Noise Reduction | Sound Quality | Remarks | |
Level | ||||
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OFF | OFF | – | No DNR processing | |
Green |
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LOW | High | For relativity quiet environment. | ||
Yellow |
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MID | Normal | For a general environment. This setting is default. | ||
Red |
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HIGH | Low | This feature is useful under very noisy environment. | ||
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| In this setting, one may feel that the sound of conversation is | |
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| unnatural. | |
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