Icom IC-718 Quick Start Manual page 22

'Initial Set' mode – Auto TS p. 45
One uses the [ Up ]
to Auto TS
Rotating the main tuning
OFF = 2.5Khz / revolution of tuning dial
On = 50.0 Khz / revolution
Default is 'On'
& [ Dwn ] Buttons to navigate to navigate
knob to set Off or On.