Last week I bought a second hand Panasonic AG-7500 SVHS Hi-Fi Video Cassette Recorder. It is a professional machine with many video and audio options. I feared it would be a huge quest to find a manual. I was delighted when I found owner-manuals.com. After payment I received the file to download the next day already. The quality is great. I am very happy. Thanks!
The owner's manual/operating instructions that I purchased was the original factory document and it was in at least three and maybe more languages. I no longer have it because I sold the tape recorder and included the owner's manual/operating instructions and a service/repair manual that I bought on ebay for the new owner.
Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
Text excerpt from page 11 (click to view)
Compressor Controls
Figure 2: Compressor Section of the front panel + 0 - THRESHOLD leds:
The �+� led illuminates when the signal is above the OverEasy¨ portion of the compression curve and that the full compression ratio is in effect . If OverEasy¨ is disabled, this led indicates that the signal is above the level set by the Compressor Threshold control and that compression is occuring. The �0� led illuminates when the signal is in the OverEasy¨ portion of the compression curve. In this region the ratio varies as a function of signal level between 1:1 and the ratio set by the Ratio control. This led will not light when the OverEasy¨ function is off. The �-� led illuminates when the signal is below the level set by the Compressor Threshold control. This indicates that the Compressor is not compressing and is operating in its linear region.
THRESHOLD control:
This control sets the level above which compression occurs, and has a 60 dB range.
OverEasy¨ switch:
OverEasy¨ is a feature that provides a softer compression sound than hard knee does. OverEasy¨ smooths the transition from un-compressed to compressed. This smooth transition greatly reduces compression artifacts and allows faster attack times and higher compression ratios while still maintaining the natural characteristics of the signal. The switch lights to indicate OverEasy¨ processing is enabled. When conventional hard knee processing is desired, disable the OverEasy¨ function. See Figure 3 for a comparison of OverEasy¨ and hard knee compression curves.
