8 Getting StartedGetting StartedThis section provides a brief description of your radioāsbasic operation. If you need further information, contactyour radio provider.RadioControlsThe radio controls are the PTT key, volume control, on/off key, channel selection keys and function keys. Somekeys may have functions assigned to both short and longkey presses. A short key press is defined as less than onesecond and a long key press is more than one second.The radio controls and their functions are summarized inthe diagram and table on the following page.