Settings
4
Use this button to change the settings for certain effects, listed below. Press the settings button to cycle
through the available settings. Rotate the system volume knob to change the displayed setting. If you press
this button and the active effect does not have changeable settings, the LCD will display "No settings for this
effect."
Surround Delay—The surround delay setting allows you to adjust the delay of the rear speakers to accommo-
date your rear speaker placement.
Dimension (Dolby
®
Pro Logic II Music only)—Use this setting to adjust the signal toward either the front or rear
speakers to achieve a better sound.
Center Width (Dolby
®
Pro Logic II Music only)—This setting allows improved blending of the center and main
speakers by allowing the adjustment of the signal so that it is heard only from the center speaker, only from
the left and right speakers as a phantom center image, or from combinations of the three front speakers.
Panorama (Dolby
®
Pro Logic II Music only)—Use this setting to extend the front signal to the surround speakers
for a "wraparound effect."
5
Mute
To mute the system volume, press this button. The LCD display will show "Mute on."
6
Level
This feature allows you to adjust the following levels: subwoofer, surround, center, and system volume. Press
the Level button to scroll through the options and use the system volume knob to adjust the levels to your
satisfaction.
7
System volume
While idle, this knob is used to adjust the system volume. This knob is also used to adjust other functions, such
as settings and levels.
Headphone jack
8
To use headphones with your Z-680 system, plug them into this jack. The speakers will mute
automatically for private listening. Control the headphone volume with the system volume knob.
9
Power/Standby
Use this button to turn power on or to place the system in standby mode. The adjacent LED is blue when the
power is on and red when the system is in standby mode. While in standby mode, the system will still con-
sume a small amount of power. To completely disconnect the system from the power source, disconnect the
power cord from the wall receptacle.
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Auxiliary jack
To use your portable audio player with the Z-680 system, plug it into this jack. Note: The Digital SoundTouch
Control Center mixes the auxiliary input with the current input.
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Technical Specifications
• Total RMS Power: 505 Watts
-- Subwoofer: 188 watts RMS into 8 ohms at 100Hz at 10% THD (total harmonic distortion)
-- Satellites: 317 watts RMS (2 x 62 w Front; 2 x 62 w Rear; 69 w Center) into 8 ohms at 1 kHz at 10%
THD (total harmonic distortion)
• Total Peak Power: 1000 Watts at <10% THD
• System sound pressure level (SPL): >115dB
• System acoustic frequency response: 35Hz to 20KHz
• System distortion: Better than 0.11% THD before clipping
Limited Warranty
Logitech warrants that any hardware product accompanying this documentation shall be free from significant defects in material
and workmanship for a period of two (2) years from the date of purchase. Logitech's limited warranty is nontransferable and is
limited to the original purchaser. This warranty gives you specific legal rights, and you may also have other rights which vary under
local laws.
Remedies. Logitech's entire liability and your exclusive remedy for any breach of warranty shall be, at Logitech's option, to: (a)
repair or replace the hardware, provided that the hardware is returned to the point of purchase or such other place as Logitech
may direct, with a copy of the sales receipt, or (b) refund the price paid. Any replacement hardware will be warranted for the
remainder of the original warranty period or thirty (30) days, whichever is longer. These remedies are void if failure of the hardware
has resulted from accident, abuse, or misapplication, or any unauthorized repair, modification or disassembly. Upon request from
Logitech, you must prove the date of original purchase of the hardware by a dated bill of sale or dated itemized receipt.
DISCLAIMER OF WARRANTY. THE WARRANTIES EXPRESSLY SET FORTH IN THIS AGREEMENT REPLACE ALL OTHER WARRANTIES.
LOGITECH AND ITS SUPPLIERS EXPRESSLY DISCLAIM ALL OTHER WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD-PARTY RIGHTS
WITH RESPECT TO THE HARDWARE. NO LOGITECH DEALER, AGENT, OR EMPLOYEE IS AUTHORIZED TO MAKE ANY MODIFICATION,
EXTENSION, OR ADDITION TO THIS WARRANTY. Some jurisdictions do not allow limitations on how long an implied warranty lasts,
so the above limitation may not apply to you.
LIMITATION OF LIABILITY. IN NO EVENT WILL LOGITECH OR ITS SUPPLIERS BE LIABLE FOR ANY COSTS OF PROCUREMENT OF
SUBSTITUTE PRODUCTS OR SERVICES, LOST PROFITS, LOSS OF INFORMATION OR DATA, OR ANY OTHER SPECIAL, INDIRECT,
CONSEQUENTIAL, OR INCIDENTAL DAMAGES ARISING IN ANY WAY OUT OF THE SALE OF, USE OF, OR INABILITY TO USE ANY
LOGITECH PRODUCT OR SERVICE, EVEN IF LOGITECH HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO CASE
SHALL LOGITECH'S AND ITS SUPPLIERS' TOTAL LIABILITY EXCEED THE ACTUAL MONEY PAID FOR THE LOGITECH PRODUCT OR SERVICE
™
GIVING RISE TO THE LIABILITY. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages,
so the above limitation or exclusion may not apply to you. The above limitations will not apply in case of personal injury where
and to the extent that applicable law requires such liability.
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