Hi > On Mar 4, 2018, at 10:30 PM, Joe Hobart <[email protected]> wrote: > > > Mark, > > When I press "D" Lady Heather replies: > > Manual disciplining not supported by this receiver....press ESC > > > Questions about the Z3801A: > > Does the oscillator have an adjustment? If so, is this somewhat accessible
Yes, if you dig deep enough > without destroying the assembly? Depends on how good you are at ripping into things > Are there pictures of the oscillator assembly? I believe there are in the archives > > Is there an adjustment for temperature? Yes, by changing the select resistor > Is this accessible? Yes, once you have the inside oven board out of the enclosure. Accessible is a relative term. I would not dig that deep. Others on the list seem to be happy going that far into the assembly. Bob > > Thanks, > Joe, W7LUX > > > Lady Heather has a command that lets you set the DAC voltage. It's in the "D" > menu. Depending upon the firmware, you may need to disable disciplining > first > (also in the "D" menu). If the DAC command works to change the OCXO freq, > the > osc EFC and DAC are probably OK. If it does not, I'd suspect the DAC or the > osc EFC input... or perhaps your firmware does no support the DAC setting > command. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
