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Initial setup and usage guidelines for the Jotron TR20 radio.
Identification and function of the physical controls on the Jotron TR20.
Instructions for turning the radio on/off and transmitting.
Procedure for safely removing and installing batteries.
Explanation of the operation and functions of the device's keys.
Navigation and options available within the device's main menu.
Scheduled steps for testing radio functionality and performance.
Common problems, their causes, and solutions for the radio.
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