Icom IC-PAC

Description:
The IC-PAC and IC-PAC-6 interface cables providing DC power and control between the radio and the autotuner. Available in both long (IC-PAC-6) and short lengths (IC-PAC).

Supported Radios:
IC-7000, IC-7200, IC-706, IC-707, IC-718, IC-725, IC-728, IC-736, IC-738, IC-746, IC-756, IC-765, and IC-775 (this interface will work with any ICOM radio that supports the ICOM AH-3 or AH-4 Tuner).

Functionality:
Pressing the tune button quickly on the radio by-passes the tuner. Pressing and holding the tune button on the radio or tuner starts the tune process.

Note:
If you are using this cable with the IC-718, be sure to set the tuner menu to "4". THe LDG tuner and interface cable emulates the Icom-AH-4 tuner.

http://www.ldgelectronics.com/c/252/products/19/23/1