34 Basic operationSelecting a channelUsing the Main menu1 Press Menu and select Channels.2 Scroll to the channel you want and press Select.Other ways of selecting a channelYou may also be able to use the following controls toselect a channel:■ function key (see “Accessing frequently usedmenus” on page 30)■ left selection key (see “Using the left selection keyQuick Access menu” on page 31)■ scroll keys (see “Using the scroll key Quick Accessmenu” on page 31).Limiting call timeYour radio may limit the amount of time you can talk(transmit) continuously. This is known as the ‘transmittimer’ or ‘time-out timer’ and allows other radio users tomake calls on that channel.The radio warns you before the transmit timer expiresby beeping three times. The red status LED flashes andthe message Transmit timeout imminent appears inthe display.