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Re: PA100D / TRX2 and UCXLog + PA100D

Hi, Erich, I use two USB-RS232 convertors, one uses the Prolific chipset, the other uses the FTDI chipset, and both of these have worked perfectly. As for commercial brand names, that is a problem because there are so many different ones available. I can say that the convertor using the Prolific HXD...
by 5B4AIY
04 Jul 2014 05:54
 
Forum: Juma Discussion
Topic: PA100D / TRX2 and UCXLog + PA100D
Replies: 8
Views: 10611

Re: PA100D / TRX2 and UCXLog + PA100D

Good Morning, Erich, There may be a number of reasons why you are unable to communicate with the TRX-2. First, the KX3 USB cable (Elecraft reference: KXUSB) does not use standard RS-232 voltage levels. The RS-232 standard defines logic 1/Mark as a voltage between -3V and -18V; it defines logic 0/Spa...
by 5B4AIY
15 Jun 2014 06:33
 
Forum: Juma Discussion
Topic: PA100D / TRX2 and UCXLog + PA100D
Replies: 8
Views: 10611

Re: Which software version next?

Hi, Petr, I did extensively modify the software for the Juma TRX-1, but I have not attempted to port the receiver code to the RX-1. It would certainly be possible, but, as I do not have a RX-1 on which to develop the code, I would have to modify it 'blind' and then look for someone to try it out and...
by 5B4AIY
23 May 2014 06:29
 
Forum: Juma Discussion
Topic: Which software version next?
Replies: 5
Views: 7917

New Firmware - Juma TRX-2 & PA-100D

There is now new firmware available for both the Juma TRX-2 and the companion PA-100D linear amplifier. The TRX-2 firmware significantly improves the main loop cycle time, and fixes some minor quirks. The PA-100D also has completely revised main loop code, but the major improvement is the fix for th...
by 5B4AIY
30 Apr 2014 17:07
 
Forum: Juma Discussion
Topic: New Firmware - Juma TRX-2 & PA-100D
Replies: 1
Views: 3391

New Firmware For TRX-2

There is a new version of the firmware for the Juma TRX-2, version 1.10m, which slightly modifies the way an existing feature operates, and adds a couple of minor features. Please see the section of this website related to my firmware.
73, Adrian, 5B4AIY
by 5B4AIY
28 Mar 2014 09:47
 
Forum: Juma Discussion
Topic: New Firmware For TRX-2
Replies: 0
Views: 3421

Re: Which software version next?

Hi, Saku, You are more than welcome to try my latest software for the Juma, and, if you do not like it, then you can always go back to the original whenever you like. As for 1.10h being 'the last error free version' this causes me some amusement, no complex piece of software is ever completely error...
by 5B4AIY
11 Mar 2014 15:02
 
Forum: Juma Discussion
Topic: Which software version next?
Replies: 5
Views: 7917

Bug Fix for Juma TRX-2

There is now a new version of the firmware for the Juma TRX-2, version 1.10k Build 4 that fixes a major bug that has been lying around hidden for some time. Please see the section of the website for my firmware for details. To all users who have updated to earlier versions, please update to this ver...
by 5B4AIY
10 Mar 2014 17:06
 
Forum: Juma Discussion
Topic: Bug Fix for Juma TRX-2
Replies: 0
Views: 3490

Re: Juma TRX-2 v1.10k

Hi, Laurent, many thanks for spotting this bug! It has now been fixed in Build 4. The Rapid Band Switch function is deliberately inhibited when the Split mode is selected. To use this feature, select either VFO-A or VFO-B and then use the RBS to select a band. My reason for inhibiting RBS when the S...
by 5B4AIY
10 Mar 2014 17:02
 
Forum: Juma Firmware by 5B4AIY
Topic: Juma TRX-2 v1.10k
Replies: 3
Views: 6017

New Firmware - Juma TRX-2 v1.10k

There is now a new version of the firmware for the Juma TRX-2 which revises the way the User Interface operates. I had received requests from some users who were having difficulty with the previous two-handed operation required for certain functions. I have addressed their concerns, and the operatio...
by 5B4AIY
06 Mar 2014 07:34
 
Forum: Juma Discussion
Topic: New Firmware - Juma TRX-2 v1.10k
Replies: 0
Views: 3423

Juma TRX-2 v1.10k

This version of the firmware, v1.10k Build 4, fixes a major bug spotted for me by Laurent Labourie, and modifies the way certain functions operate from the user interface. BUG FIX When using the W command in the TRX-2 protocol an Address Trap error was provoked. This was caused by a typographical er...
by 5B4AIY
06 Mar 2014 07:23
 
Forum: Juma Firmware by 5B4AIY
Topic: Juma TRX-2 v1.10k
Replies: 3
Views: 6017
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