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 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
