SEPURA SRG3900 and HBC console issue - does not work!

[AnRegs]

Hi all!

They won’t work together for some reason. When HBC is connected, SRG3900 radio goes in mode with slow blinking LED on the body and nothing. LCD remains dark, and controls doesn't work.

HBC is gen. 1 (not HBC2!) and brand new in box.

10.22 firmware in the body. HBC P/N is 300-00668, connected via 300-00670 interface box. Programmed via RM2.2. CC Display Option is set to Monochrome.

Any ideas?

[AnRegs]

Issue solved. HBC1 has been actually discontinued in 10.22, but officially reported only in 10.24. So, the last version of release that supports HBC1 is 10.21.