Mod-1 1258MkII - Ground problems at COM2 (very early units)

A very few sets of the first production batch from 2009 had this error, and all customers which had units with this error are informed individually by email.
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We have found out that in one batch of the RRC-1258MkII there has been
an error in the SMD process (Surface Mount Devices).

The 0 ohm jumpers (R18 resp R40) which should connect COM-2 Pin 5
to electrical ground is exchanged between the Control and Radio, meaning that Pin5 is not
connected to electrical ground in either Control or Radio Box.

In most cases COM-2 is working anyway, it has to do with how the grounding is done in the
equipment connected to the RRC:s

Anyway the solution is very simple and I recommend everyone who use COM-2 to make the modification

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1. In control RRC

Solder a short wire in place of missing zero ohm surface mount resistor, marked R40 in the picture below.

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2. In Radio RRC

Solder a short wire in place of missing zero ohm surface mount resistor, marked R18 in the picture below.

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 To conclude

- R18 should be mounted in Radio RRC

- R40 should be mounted in Control RRC

- Both can also be mounted without problem

R40 should be mounted in



lmost everyday I got emails about why Remoterig do not support IC-7000 with detached control panel in the same way as for the IC-706. The answer is simple: It's not possible because the information presented on the IC-7000 display is transferred to the control panel as a analogue video signal. To transfer a analogue video signal over the Internet needs lot of bandwidth so it's not realistic.

The IC-7000 can be remote controlled via the CI-V Interface in the same way as almost all other ICOM equipment, but then you need a PC at the control end. At the Radio end only a RRC-1258 is needed. For more information about remote control IC-7000 see under ICOM in General.