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long time ago

- 4-55 received from R&S. USB/LSB demodulation broken. Downgraded to 4.50.
- running 4.56 
- Seldom lock-ups of the receiver, generates humm, no ifpanel or iq streams. Lock-up can be ended with a short test.

2016-03-19

- Downgraded receiver to 4.50.
- Informed R&D Customer Support, promised to send an answer after easter.

2016-04-24

- upgraded to 4.56 again
- internal GUI lost connection to receiver, both run, but manual operation does not go through. Remote GUI still works as normal

2016-05-01

- lock-up again, downgraded to 4.50
- again internal communication loss with error message from gui ;-(

2016-05-05

- CAT5 cable from FP to receiver was not klicked in. Fixed.

2016-05-16

- discovered ftp access in antenna correction factor manual, user: EB500, pwd: EB500
- also works for telnet, then some consolse commands are available, try "help"
- "rld" displays a ramlog, monitoring everything that is going on in the receiver

2016-06-05

- what really happens when the front pannel stalls:
    - the receiver still works without problems from remote
    - the ramlog does not show anything special
    - the front panel display follows the receiver
    - input from front panel is ignored
    - after some time, the input is processed

2016-06-19

- now disassembled also the fronst panel PC, cleaned RJ45 connection with air
- since then, np more drops of eth0 in ramlog, and no more interruptions of internal gui