Sima VS-502 Bedienungsanleitung PDF herunterladen (Seite 12)

Volume Stabilization Adjustment

Volume Stabilization lets you control the dynamic range of the audio signal to accommodate your needs.

The Volume Stabilizer light must be on for this to function. The numbers show the ratio of the input signal

to the output signal in dB. Thus, the setting in the middle (1:1) means that the input signal is the same as

the output signal. Likewise, if you set Volume Stabilization to the 10:1 setting, it means that a 10-dB

change in the input volume level will result in only a 1-dB change in the output level. This will tend to

keep the volume constant even when the sound changes from soft to loud and back to soft.

Setting Description Use

10:1 Maximum compression

maintains constant volume

level by compressing

dynamic range

Watching movies late at night

Background music

Making tapes for airplane use

2:1 Modest compression Making tapes for automotive use

1.3:1 Slight compression Minimal audio compression

1:1 Normal volume fluctuations Just like bypass (VS off)

1:1.3 Slight expansion Adds some impact to audio sources

1:1.7 Moderate expansion Adds moderate impact to audio

sources

1:2 Maximum expansion

increases dynamic range

Restores dynamics to old recordings

Reduces hiss and noise below noise

“floor”

Can “un-do” compression on tapes

made with 2:1 compression

Hint: If you want the minimal volume changes when changing sources, changing channels or

watching a movie, be sure the Volume Stabilization is set to the 10:1 position and the VS

ACTIVE light is on.

Note: It is normal to notice volume variations even with the VS-502 set to the 10:1

setting. This is due to the fact the human ear is more sensitive to certain frequencies

and these will tend to sound louder. Some commercials on TV have been modified to

sound louder than the normal program. Although the VS-502 will not eliminate all of

these volume fluctuations with these types of commercials; it will help a great deal to

keep the volume level constant.

Caution: Very loud sound levels can result when using the 1:2 expansion mode. Keep

your volume levels low to avoid damage to speakers or amplifiers.

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Sima VS-502 Bedienungsanleitung Seite 12