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Juma TRX-2 Firmware v6.00a

There is now a new version of the firmware for the Juma TRX-2 transceiver. This version adds the feature that allows adjustment of the Low-Voltage Pre-Limit trip value. Previously it was fixed at 100mV higher than the final limit value. NOTE: BECAUSE THIS FIRMWARE USES AN ADDITIONAL WORD OF EEPROM M...
by 5B4AIY
15 May 2020 10:46
 
Forum: Juma Discussion
Topic: Juma TRX-2 Firmware v6.00a
Replies: 0
Views: 371

Juma TRX-2 Firmware v6.00a

THIS VERSION OF THE FIRMWARE WILL CAUSE A CHECKSUM ERROR ON INITIAL START-UP AFTER LOADING. THIS IS BECAUSE THE EEPROM MAPPING HAS CHANGED. MAKE SURE YOU RECORD YOUR CALIBRATION AND CONFIGURATION DATA PRIOR TO LOADING. There are pages at the back of the User Manual set aside for this. This version ...
by 5B4AIY
15 May 2020 10:38
 
Forum: Juma Firmware by 5B4AIY
Topic: Juma TRX-2 Firmware v6.00a
Replies: 0
Views: 550

Juma PA-100D Firmware Update

There is now a new version of the firmware for the Juma PA-100D linear amplifier, version 4.00a Build 4. This new version adds some additional features. The amplifier can now communicate with a transceiver using the Yaesu 5-Byte Binary command protocol. The Low-Voltage Pre-Limit warning threshold is...
by 5B4AIY
07 May 2020 11:29
 
Forum: Juma Discussion
Topic: Juma PA-100D Firmware Update
Replies: 0
Views: 389

Juma PA-100D Version: 4.00a

NOTE: AS THIS VERSION USES AN ADDITIONAL WORD OF EEPROM, IT WILL CAUSE A CHECKSUM ERROR ON INITIAL POWER-UP! MAKE SURE YOU NOTE YOUR EXISTING CALIBRATION AND CONFIGURATION DATA PRIOR TO LOADING. This version of the firmware introduces three new features: 1. The Low-Voltage Pre-Limit is now adjustab...
by 5B4AIY
07 May 2020 11:19
 
Forum: Juma Firmware by 5B4AIY
Topic: Juma PA-100D Version: 4.00a
Replies: 0
Views: 335

Juma PA-100D Updated Firmware

There is now an updated version of the firmware for the Juma PA-100D. Whilst this version does not add any new features, it does fix a very minor and subtle bug as well as optimizing some code. Yes, I know, I'm probably going to be accused of being obsessive/compulsive, but with the COVID-19 lockdow...
by 5B4AIY
27 Apr 2020 10:11
 
Forum: Juma Discussion
Topic: Juma PA-100D Updated Firmware
Replies: 0
Views: 406

Juma PA-100D v3.0c Build 7

This update fixes a very minor and subtle bug, as well as optimizing the fan speed control code. The bug was that in the Calibration & Setup the number of words saved and the CRC was not sent when a serial terminal was connected. As for optimizing the Fan Speed code, as a result of the enforced ...
by 5B4AIY
27 Apr 2020 10:07
 
Forum: Juma Firmware by 5B4AIY
Topic: Juma PA-100D v3.0c Build 7
Replies: 0
Views: 288

Re: Juma PA100-D auto band tracking

Hi, Guntram, Glad that your problems are sorted, that was a nice Xmas present for you. Also, just to say that even though the Juma TRX-2 and PA-100D have now been 'retired' I will still be providing technical and software support. You now have the latest version for the PA-100D, I do not envision an...
by 5B4AIY
28 Dec 2019 14:14
 
Forum: Juma Discussion
Topic: Juma PA100-D auto band tracking
Replies: 5
Views: 2483

Re: Time goes by

Hi, Matti, I have to say that I am really sad that the Juma TRX-2 and PA-100D are now being retired. I well understand the commercial aspects of producing these kits, and, to be honest, I had rather hoped that there would be a TRX-3 with improved DDS chip as well as a couple of other hardware improv...
by 5B4AIY
13 Dec 2019 09:47
 
Forum: Juma Discussion
Topic: Time goes by
Replies: 7
Views: 1935

Re: New to me TRX2 - Advice needed regarding updates

Hi, Christoph, Welcome to the world of Juma Radio! Hardware Upgrades Spur Elimination Module Your main board, revision 'B' will need the Spur Elimination Module if you are to take advantage of the improved receiver performance that accompanies this modification. The later board, revision 'C', incorp...
by 5B4AIY
18 Aug 2019 07:30
 
Forum: Juma Discussion
Topic: New to me TRX2 - Advice needed regarding updates
Replies: 2
Views: 1731

Juma TRX-2 Firmware

There is now an updated version of the firmware for the Juma TRX-2 transceiver. This update, Version 5.00a Build 8, improves the serial port mode selection by adding a DISABLED choice to ensure that stray characters are rejected. This version can be safely loaded over a previous version 5, but if yo...
by 5B4AIY
04 Jul 2019 07:12
 
Forum: Juma Discussion
Topic: Juma TRX-2 Firmware
Replies: 0
Views: 1621
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