See also:

Deactivating the REV alarm system
To deactivate the REV indicator light and buzzer functions of the REValarm system, set the thousands place of the alarm-level engine speed to “–”. ...

Dimensions
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“up” and “down” switch
With radio mode selected Press the switch to the “” or “” side briefly to skip to a preset channel. Press the switch to the “” or “” side for more than 0.5 second to seek the next receivable ...