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Koss KS4102 - Audio Technologies and Radio Features; Surround Sound System Overview; Radio Tuning and Reception

Koss KS4102
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DolbVD_gDi ital Surround
The Oolby Digital Surround system requires connections of all 5 speakers [front lefts, center, front right,
surround right, surround left} for the correct surround sound reproduction. This 5. ! channel digital surround
format enables five individual full-range [20Hz-2OKHz} channels plus an LFE [Low Frequency Effects} channel
for the low-range [20Hz-120Hz} effects, tt creates a realistic sound similar to the theaters and cinemas. A
large proportion of DVD discs use this system for sound.
Delb„ Pre Legit li Surround
The Dolby Pro Logic ttSurround system is the next generation in Dolby Surround decoding, tt creates five full-
bandwidth output channels from two-channe! sources. This is done using an advanced, high-purity matrix
surround decoder that extracts the spatial properties of the original recording without adding any new sounds
or tonal colorations.
3 Steree
3 Stereo produces three channels [front left, center, front right} of sound from a two channels analog signal, tt
is net a surround format so it does not require surround speakers.
Seundfieid Effecl_s
The digital Soundfietd Effects recreates the effects of sounds reflected from wails or ceilings to obtain the
sound presence of real environments.
Stadium: recreates a large stadium using very long reverberation times.
Stage: recreates a stage environment, emphasizing sound from the front speakers.
Hall: recreates a hall using lots of reflections. Suitable for orchestral music such as classical and opera.
Disco: recreates the disco or club music effect, tt is suitable for all types of music that are played in disco.
Live: suitable for all types of music.
Display !rid!cat;ors
Stereo Indicator
I
L_ Sl[,
Tuning
KHz
MHz
I
FM Frequency Indicator
Manually
1. Press TUNER to select tuner mode.
AM Frequency Indicator
.
.
4.
...... %.H. %..;
After two seconds the display will change to show the current band and frequency.
tf necessary, press TUNER again to switch between AM and FM band.
Press <2__L-_ ___-_-_D or ,44 / ,,, on the Front Panel or use the remote'e numeric keys to change the
frequenc)_

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