Fix The Non-Working Keys in Your Controller – South Plains Astronomy Club
My Autostar 497 hand controller has blank/garbled characters display but other functions are working fine. - Meade Computerized Telescopes - Cloudy Nights
NOS Meade Autostar 497 Hand Controllers $65, just updated to 43Eg | Astromart
Washinglee 505 Control Cable for Meade HC Autostar/Audiostar/497, Built in FTDI Chip, USB Firmware Upgrade Cable, for ETX127 ETX125 ETX-90 LXD75 LX80 LX90 and ETX 80. (6 FT / 1.8M) : Amazon.ca: Electronics