![]() Then the software can drive the scope correctly. In effect you pick ETX-90 then change the values to the drive ratio's of the ETX-60. You can "hack" the handset software to make it operate, it is a simple change to 2 values that define the ratio of the 2 drives. I have two 494 and two 497 handsets and the ETX-60/70 does appear on either 497 to be selected. I know the Meade Autostar #497 manual says all ETX models but I do not think it is correct. Still not sure it will do any use, the ETX-60 came out with the 494 handset and, as far as I know, the 497 does not have the ETX-60 or ETX-70 as an option when selecting the scope model. One aspect is to drop the USB port speed down. They prefer the old serial port, some USB-Serial connectors will work, others fail. You need the latest loader off of the Meade Support site, as well as the relevant firmware and several pages of instructions. ![]() ![]() You can update the 497, although it depends on whether it is Ver1 or Ver2 as to what firmware will load. ![]()
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