[chirp_users] Baofeng UV-5RTP BTECH UV-5X3 - both +- in display for offset

[Tom Consodine ND5Y]

Cross mode ust means using different PL tones or DCS codes on transmit 
and receive. There is no  radio menu setting for it.

https://chirp.danplanet.com/projects/chirp/wiki/MemoryEditorColumns

Tom ND5Y

> I guess that Tone Mode is inferred from CHIRP Tone & Tone Sql?
> How is Cross-mode implemented? I don't see a setting for it.