How to set start up volume control

What os? Go to start or the start orb, then go to all programs, then accessories, then system tools, and then volume control, mic setting should be here click mute- you could also go to the control panel for the volume control, or you could search for "volume control" depends on your so and level of experience, you can also double click the speaker icon in the right hand lower corner of your desktop, either way once you get there mute the mic--Good Luck.

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Your problem is VERY common. It's defective, get a replacement.

"http://alatest.com/user-reviews/other-home-audio/klh-sequel-e-series-dvz-2500/pu3-38645822,106/?sid=230492&sort=-source-rating&limitstart=10

2.0 out of 5 stars Not bad for price $70+$30 S&H, October 20, 2003 By A Customer
This review is from: KLH DVZ-2500 DVD Home Theater System (Electronics) I read alot of the recent reviews before purchasing this system. I wasn't going to buy it because of the volume problem (too loud) but some people said that this could be lowered in the 'audio properties > dynamics' setting.
Sure enough, there is a setting, but it does NOT lower the volume level at all. So, I rang the toll free 888 number and this audio level problem is a defect. However, the dynamic setting is purely to make some sounds softer, not to lower volume. I was told to get a replacement. The replacement is the exact same way ... defective. Buy this system if you only want to hear _DVDs_ with all speakers, because there are no inputs. And the radio, CD is at best stereo,
AND
if you don't mind the fact that it will be too loud, if at any stage you want a normal listening level. I gave 2 stars because I was able to watch a DVD ok with volume level one.

Ensure your webcam mic is set as default
Vista
TEST SPEAKERS
Right click on speaker icon in System Tray or from Control Panel
Select "Playback Devices"
The speaker icon ( checked as working) and volume level graph should be visible
Right click on the volume graph and click "Test"
Left hand speakers followed by right hand should be heard

SET DEFAULT & TEST MIC
Click "Recording" tab.
To set required (webcam) mic as default - click on mic font to highlight and click "Properties"
In lower dropbox display "Use this device enable" click 'OK'
Click "Levels" tab and ramp up sliders ( adjust to suit later)
Return to "Recording". Test mic by speaking and make sure volume graph displays

Restart computer

If the problem is due to feedback try using a set of headphones

On the TV-use your finger to adjust the volume level, about midway, then use the remote to shut off the tv, then turn on tv with remote. Volume level should be better! If still not loud enough...using your finger on the tv...turn up volume & repeat remote steps.

Right-click on the speaker icon in the lower right of your screen and choose Open Volume Control and check all volume levels (make sure they are not set to high). If this doesnt work then when you right-click, choose Adjust Audio Properties and search around for volume controls (maybe try the Speaker Volume button).

The KAC-8401 has a bass boost switch. Be sure that is on +6dB setting.
Secondly, LPF (low pass filter) should be selected, with the crossover cutoff set to 60Hz.


Follow the instructions on this site for accurate tuning....
http://trussinme.com/Apps/audio/voltagecalc/default.asp



Manual For Download:
http://inform3.kenwoodusa.com/manuals/KAC8401.pdf

There is so much bad information and VOODOO going around the internet about how to set car audio amplifier gain controls that I thought I better write this. Gain controls on an amplifier are basically just small potentiometers (variable resistors) or volume controls if you will, that allow you to adjust the incoming signal to the amplifier so the amplifier works well with your headunit of choice or to match the level of other amplifiers in your system.
Its not rocket science to set the gains. Gains are like little volume controls, (I don't know why so many installers are taught that gains are NOT volume controls, when in fact that is EXACTLY what they are!) its super simple to just set them where the level sounds good to you.
With one amplifier its desirable to have a nice swing on your headunits volume control. Let me try to clarify this a little.
If we hook up a head unit with a 8volt (or more) output to an amplifier, then the volume will get loud very fast when we start to turn it up...In other words if our digital volume control goes from 1-30, then a HIGH VOLT output to an amplifier might make the amplifier reach full power at 5 on the volume scale... That kinda sucks cause it would be nice if you had a little more swing in your 1-30 range!
And by the same token a headunit with a LOW VOLT output might have to be turned up all the way to 30 and might still not quite drive the amplifier to full power... That sucks too!
A gain control in this case will allow you to adjust the amplifier so it allows the volume of a headunit to control the amplifier so it will get loud at a desirable point in the 1-30 swing... Usually about 3/4 the way up. We don't want it to get loud too fast as we wont have a good control as music levels differ. And we don't want it to have to be turned up all the way to get loud either, because since different music may be recorded at different levels if we set the gains for max output with one music source it might not get loud with a music source recorded at a lesser level.
So, by setting the gains so 3/4 turn of the headunits volume knob gets it LOUD gives you plenty of control and some extra above the 3/4 mark in case you get some music that's recorded at a lesser level...
To do this its easiest to do it by ear. No need to drag out the TEST TONES and OSCILLOSCOPES! They will do you absolutely no good.
One MYTH is how the gain controls will help to prevent amplifier distortion and amplifier clipping... That's simply not true, UNLESS you set the gains at a level where the headunit cannot possibly drive the amplifier to full power.. And even if you were to find this magic spot for your gain controls then (A) you would have to turn that volume control FULL SWING to get your system loud and (B) since many music sources (or disks) are not all recorded at the same level, its likely that if you have a disk recorded lower then you cant get it loud at all! and if you have a disk recorded louder then you can still surpass your magic spot... So in reality searching for this magic spot is fruitless! Dont waste your time...
In the early 80s when high fidelity car amplifiers were just starting to make the scene I worked with a pretty crazy installer that was kind of legendary around these parts... I wont mention his name but he was pretty highly respected at the time.. Well anyway, this crazy installer had heard that the amplifier gain control was to prevent amplifier clipping.. (still widely heard today).. Well this crazy installer set up EVERY CAR WE DID to the point where the gain control was so LOW that if you turned the head unit all the way up the amplifier WOULD NOT DISTORT.. And of course if you did turn the headunit all the way up the system would just be getting loud...
Customers would find that some cassettes would be recorded at a lower level and the music just wouldn't get loud enough... The Crazy installer would FLIP OUT and tell the customer that a REAL AUDIOPHILE doesn't want his music to distort or be that loud! The customers were NOT HAPPY and came to me to say "Gee Eddie, I don't want to make the other guy mad but can you adjust my system so it sounds good and please dont tell the other guy? Of course I said yes, and some of those customers from back in the early 80s are still my customers and they are sending sending their children to me for work as well.
SO, you see the only way the gains can be used to eliminate clipping or distortion will also limit your top end volume! And for most of us it is NOT DESIRABLE to do so.
As long as this is not done, it is just as possible to turn your system up to FULL power and beyond to clipping no matter where the gains are set....

try pressing the reset button on the lower right corner of the face. should set it back to default and when you turn it on it should start of at 10

There is no fix to this problem. I emailed GBX, who makes the same stereo (same model number) and they said it is a factory setting that can't be overridden or changed. I bought mine for work and my office is made up of open cubicles - I'll be returning it tomorrow.

When did this start? Did it ever work right?

How's the sound from your TV speakers by itself and from DVD? The same? Problem's in the TV.

If it's just the receiver doing it from both sources that's where we start.

Check the settings for dynamic range (ratio of loud sounds to soft sounds) in both your receiver and your cable TV tuner. Many devices have a setting sometimes called "MidNight Mode" to be used in the event you're listening while someone else might be sleeping or otherwise would be disturbed by the TV volume.

The assumption is that you will turn the TV down but that normally means you would lose the quiet programming in the background nosie of your home. Through the magic of dynamic compression the quiter sounds are raised to audibility while loud things like explosions and fanfares will be limited in volume. Depending on the design and whatever the broadcaster is doing to the sound themselves this could be anywhere from pleasingly effective to aggravatingly inconsistent with odd variations in the levels.

Hope this helps.