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A. Press and hold the [SYS] button to enter the system settings. Press the [PAGE] key to
page to the HARDWARD page, scroll to the bottom of the page, select Battery
calibration, and fill in the actual measured battery voltage.
B. Scroll to RADIO SETUP, and fill in the battery level range in the Battery meter range
as shown below
B. On the current page, turn the scroll wheel to find Battrey low (low voltage alarm),
and fill in the alarm voltage as shown below. When the remote-control voltage is lower
than the current set voltage, the system will play a voice and report that the battery
voltage is low