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.
Actually, I was looking for this information for 3 years!...now thanks to you, the manual is on my hands and of great help, cause I understand now where I was doing wrong connections and wires...excellent, I'll be back to you if in need, thank you.
Text excerpt from page 6 (click to view)
4
Mastering the Calculator using the Sharp EL-531RH
1.2 Sometimes you make an error when typing in a number
If this happens use the and continue. Example If you want to enter 3 + 4 but accidentally type press Now type Note that the Example If I want to add 471 and 575 but I typed key cancels just the last digit. to cancel the 5. key to cancel the number and then type in the correct number
I can cancel 6 by typing
and then typing is used, the last digit is cancelled. key until you are comfortable with its use.
The display should read 1 046. Each time Try practising cancelling with the
1.3 The
Example If you typed: 471 + 566
key is used when you to delete a whole number
but you wanted 471 + 576 press the key. Note the 566 disappears. Press the . key again, the + sign becomes
