JRC JMA-5912-6 Instruction Manual page 91

Digital information: Tracked target information
①：Tracked target numeric value indication scroll
This function scrolls the target numbers that are indicated in the tracked target information.
Digital information: Navigation information
①：Wind direction / speed numeric value indication true / relative switching
The wind direction / speed numeric value indication is switched to T (true) / R (relative)
whenever this button is clicked.
2.3 Functions of Software Buttons
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