Marten (AA6E) wrote:
-No main Rx signal (normal noise, however). Sub Rx is fine on same VFO
and same antenna input. No change in main Rx noise with preamp or
attenuator settings. Main Rx hears nothing on either antenna input or
on Rx ant.
-No Tx level. (normal CW sidetone, however) When you key the rig, the
Amp Key output is asserted and the panel meter goes to zero. There is
no RF out.
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This is a "normal sign" of the Orion V1.373bX firmware failing in a "lock-up"
mode. There are a number of actions that can get you into this state. As
indicated earlier, using the spectrum display can create the conditions that
lead to the failure of the Orion in this mode (Often other
functions of the radio do work - like tuning the VFO and seeing the dial
change). Another cause can be from using a logging program, or other programs,
that "poll" the Orion for frequency. Even polling the Orion slowly can create
the conditions for this failure. Another cause, one that happens to me
occasionally, is the use of the digital voice recorder. I use it in chasing DX
and sometimes it "locks up" the firmware - preventing both receive and
transmit. You can sometimes "fiddle the knobs" and get the functions to resume
- but it is "hit and miss." Usually you have to power off and back on to get
things working.
V1.373b5 has great radio functionality - filters really remove the unwanted
signal from the IF bandpass so the AGC isn't affected by them,
has maybe the best speech processing of any radio commercially built, has very
good NR functions with different filters for different receive situations, has
excellent monitor audio that appears to really reproduce the audio as heard on
the air, has AM receive that works correctly with the right IF bandpass, has
great audio equalization - much different then V2 where the equalization seems
to change with the mode, etc.
V2 has been reported to be stable. And although apparently the ARRL tripped
over some stability bugs in their test of the Orion II, it is preferred by many
Orion users that prefer stability to some of the above radio performance
features. Too bad we have to choose between DSP functionality and stability.
73,
Merle - W0EWM
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