Hi Kaan,

1)

Have you selected the right COM port?number? in HRI?, check with Computer management, Device Manager, Ports,COM port number

2)

Choose address 00 ( works with M700 Pro, M710, and M710 RT? or 02 for the M710

Choose the COM port, which you have checked in 1)

3)

Is the d-sub-9 serial to USB?connector connected the? Remote d-Sub connector at the backside of the M710?

4)

Is your interface set to the DB9 port on the IC-M710?

you can check with:

<func> + <1> + <power> on

Menu REMT - IF ( choose with the left?Group Channel selector Knob)

interface d-Sub or Pin, choose d-Sub

then power off, power on

Good luck,

Rene, PA7R