The service manual is as described and received the link to the download sooner than expected. Great service, quality product. This site is a big help in the electronics repair business.
Quick service response. A useful and very rare service manual with all details. I recomend this service.
Text excerpt from page 15 (click to view)
ERROR MESSAGES
Message Memory Full! Meaning Not enough room to store the data you are trying to save. You tried to perform a search operation while there is no data stored in memory. There is no data that matches your search specification. Action Press AC and then delete data you no longer need from memory. Input data before attempting search operations.
No Record!
Not Found!
Press or to recall your search data. You can then edit the previous data or input new data. Input the password correctly.
Password Mismatch!
The password you input to access the secret memory area does not match the one that is registered. The main battery is weak.
Main Battery Getting Weak! Replace it! Invalid Input!
Replace the battery in accordance with the instructions on page 6 of this manual. Press or to display your input and make necessary changes.
A spell check or hyphenation operation cannot be performed because your input is incorrect.