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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
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I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
To replace the memory back up battery 1 Switch the power of the calculator off. 2 Slide the battery compartment cover on the back of the unit in the direction indicated by the arrow. 3 Remove screw B from the battery holder. 4 Remove the old battery. 5 Wipe off the surfaces of a new battery with a soft, dry cloth. Load it into the calculator so that its positive + side is facing up. 6 Replace the battery holder and fasten it in place with screw B. 7 Replace the battery compartment cover, sliding in the direction opposite that indicated by the arrow. 8 Switch the power of the calculator on and check for proper operation. Battery holder Screw B
[Important] * Do not remove the main power supply and the memory back up batteries from the unit at the same time. * If you should remove the main power supply and the memory back up batteries, you must then perform the all reset operation after you reload batteries. * Replace the memory back up battery at least once every year, regardless of how much you use the calculator during that time.
s About the Auto Power Off Function The calculator switches power off automatically if you do not perform any key operation for about 6 minutes. To restore power, press AC/ON on.
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