Hi Mike,
The bottom most of the column of buttons to the left of the tuning
knob is the one. A short press toggles between standard and slowed
tuning rate, but a long press toggles between locking the keyboard
and unlocking it.
73,
Dave, W7OQ
At 03:38 PM 11/18/2014, you wrote:
>Which key will lock the controls on the TS590?
>
>I keep forgetting it is not the zero key like it is on the 570.
>
>--
>Mike Duke, K5XU