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´s for your help, I already recived these manual from you
Text excerpt from page 19 (click to view)
THE GRILL
USES OF THE GRILL
CAUTION - ACCESSIBLE PARTS MAY BECOME HOT WHEN THE GRILL IS IN USE. CHILDREN SHOULD BE KEPT AWAY. The grill is a dual circuit grill which means that the full area of the grill can be used or for economy purposes the centre section only can be used when cooking smaller quantities of food.
SELECTING THE GRILL
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Push in and turn the grill/top oven temperature control clockwise past the maximum oven temperature to the settings that control the grill. The first three settings control the full area at ¼, ½ and full power. Set to full power at first, then turn down as necessary. The fourth setting is for the centre section of the grill only. This section operates at full power.
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To insert the handle, press the button on the handle with the thumb and pivot the handle slightly upwards inserting the lip into widest part of the bracket. Move the handle towards the left, lower into position and release the button. Ensure the handle is positively located. When removing the handle, press the button on the handle with the thumb and pivot the handle slightly upwards and towards the right to remove from the bracket. Ensure your hand is protected when removing the grill pan handle as the grill element can become very hot. ALWAYS REMOVE THE GRILL PAN HANDLE DURING GRILLING.
NOTE THE GRILL DOOR MUST BE LEFT OPEN DURING GRILLING. The cranked shelf MUST only be used in the grilling compartment, but a straight shelf from the oven may be used to provide alternative positions. Some smoke from fat splashes may be evident as the grill cleans itself. The grill neon will illuminate when the second oven control is turned past the maximum temperature and will stay ON until the grill is turned OFF.
THE GRILL PAN AND HANDLE
The grill pan is supplied with a removable handle.