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.
Thank you for your manual It has the basic things to and i use the Oszi for Longer Time.
THX
Text excerpt from page 9 (click to view)
When used in the extraction mode the cooker hood ducting must not be connected to a flue which is used for exhausting fumes from appliances supplied with energy other than electric such as a central heating flue or water heating flue.
When installed, the hood must be positioned at least 65cm above a cooking appliance.
Never do flambè cooking under this cooker hood. When using a gas hob in conjunction with this cooker hood never leave the burners of the hob uncovered while the hood is in use, or when the pans have been removed. Switch off the gas before removing the pan, or for just short periods and never leave the hob unattended.