•While a call is not in progress, the PTT button is used to make a new call (see Making a Radio Call on page 18).
Depending on programming, if the Talk Permit Tone or the PTT
Sidetone 
is enabled, wait until the short alert tone ends before talking.
During a call, if the Channel Free Indication feature is enabled on your radio (programmed by your dealer), you hear a short alert tone the moment the target radio (the radio that is receiving your call) releases the PTT button, indicating the channel is free for you to respond.
You will also hear a continuous talk prohibit tone, if your call is interrupted, indicating that you should release the PTT button, for example when the radio receives an Emergency Call.
Switching Between Conventional Analog and Digital Mode
Each channel in your radio
can be configured as a Channel Selector Knob
conventional analog or conventional digital channel. Use the Channel Selector Knob to switch between an analog or a digital channel.
When switching from digital to analog mode, certain features are unavailable.
Your radio also has features available in both analog and digital mode. However, the minor differences in the way each feature works does NOT affect the performance of your radio.
NOTE: Your radio also switches between digital and analog modes during a dual mode scan (see Scan on page 24).
Identifying Radio Controls
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