Before Use
To remove the accessories, pull out the plug (if it is an audio
accessory, remember to loosen the screw first).
Caution: When you are using an external
accessory, waterproof performance of the radio
may get affected.
Status Indication
The top LED indicator will help you easily identify current radio
status.
LED Indicator
Red LED glows.
Red LED flashes.
Green LED glows.
Green LED flashes.
TC- 446S
TC- 446S
Radio Status
Transmitting
Low battery alert
Receiving
Scanning
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