开云体育

Summary: NO FIX.


Reporting test and debugging actions taken:

1) Put hand controller and Gemini 2 box on the bench at home, connected them, supplied power, and verified that problem still existed, unchanged.

2) Power off, disconnected everything, carefully opened hand controller and removed auxiliary board containing screen so as to access SD card on motherboard underneath. SD card appeared well-seated in slot -- both tabs holding it in place were engaged. Cautiously wiggled SD card in its slot (retention tabs allowed about 1 mm of movement). Did not attempt to remove SD card. Reassembled hand controller, connected everything and powered up. NO FIX -- problem unchanged.

3) Power off, disconnected everything, carefully opened Gemini 2 case and removed faceplate bearing silkscreened text so as to access SD card on main board. SD card appeared well-seated in slot -- both tabs holding it in place were engaged. Cautiously wiggled SD card in its slot (retention tabs allowed about 1 mm of movement). Did not attempt to remove SD card. Connected everything and powered up before reassembling. NO FIX -- problem unchanged.

4) Powered down. The on-board battery in the Gemini 2 case was a CR 2450. I did not have any on hand, but I removed the existing battery, checked its output voltage with a digital volt meter, and got 3.01 Volts. Looks good to me. Replaced the battery.

5) Reassembled Gemini 2 case, connected everything and powered up. NO FIX -- problem unchanged.

6) Tried connecting to the Gemini 2 via Ethernet. On plugging the unit into my home's modem, the modem appears to indicate that it has identified the cable -- one light showing at the connector on the modem side -- but no use of ipconfig, ifconfig and so on on a computer on my home network could identify the Gemini 2. Connecting to " turns up nothing, not surprising since the route would have been through the modem. Connecting to " got Losmandy's web site, not the Gemini 2 box. I tried connecting a laptop (Macintosh) to the Gemini 2 by direct cable, but when I did so, " reports no connection to anything. Not sure whether any of this is normal behavior or an indication of a problem.

For these tests and the in-the-field tests that I have previously described, the hand controller was indeed connected to the "HC" port, at lower left on the faceplate of the Gemini 2 box. For tests where I mentioned using the GPS unit, that unit was connected to the "Serial/GPS" port, just above the "HC" port. For the tests described above, nothing was connected to the ports for the right-ascension and declination motors.

For the record, I do not have a Windows box and have not run one in decades. I am not personally acquainted with anyone who has a Gemini 2. I am located in southern California, about an hour's drive northwest of Los Angeles in light traffic (as if ever...). I could get to Pasadena as some have suggested, but Losmandy is closer, so my present plan is to contact them tomorrow and ask advice.


I would welcome other suggestions, and express much thanks for all the assistance so far.


-- Jay Reynolds Freeman
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Jay_Reynolds_Freeman@...
(personal web site)