Fujitsu ECLIPSE CD8455 Owner's Manual page 164

How to operate the Sound Adjustment Mode
[SEL] button
Turn the [SEL] button to select the cut-off frequency.
When the button is turned, the frequency changes in the
following order.
Speaker layout: 3-way speaker system
Hi / M-LPF:
200Hz ↔ 250Hz ↔ 315Hz ↔ 400Hz ↔ 500Hz ↔ 630Hz ↔
800Hz ↔ 1kHz ↔ 1.25kHz ↔ 1.6kHz ↔ 2kHz ↔ 2.5kHz ↔
3.15kHz ↔ 4kHz ↔ 5kHz ↔ 6.3kHz ↔ 8kHz ↔ 10kHz
M-HPF / Low:
63Hz ↔ 80Hz ↔ 100Hz ↔ 125Hz ↔ 160Hz ↔ 200Hz
Speaker layout: 4-speaker system
Front/Rear:
63Hz ↔ 80Hz ↔ 100Hz ↔ 125Hz ↔ 160Hz ↔ 200Hz ↔
250Hz ↔ 315Hz ↔ 400Hz ↔ 500Hz ↔ 630Hz ↔ 800Hz ↔
1kHz ↔ 1.25kHz ↔ 1.6kHz ↔ 2kHz ↔ 2.5kHz ↔ 3.15kHz ↔
4kHz ↔ 5kHz ↔ 6.3kHz ↔ 8kHz ↔ 10kHz
Woofer:
63Hz ↔ 80Hz ↔ 100Hz ↔ 125Hz ↔ 160Hz ↔ 200Hz
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