Futaba 6EX 2.4GHz User Manual
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Transmitter battery voltage
“Battery” icon
In addition to the model type, the LCD screen also displays the transmitter battery voltage.
When the voltage goes below approximately 8.5 Volts the “battery” icon will flash and the low-
battery alarm will continuously beep until the transmitter is turned off. When the low-battery
alarm sounds, land immediately your model before losing control.
Note: If the transmitter ever reaches 8.9 Volts, land as soon
as safely possible. A more reasonable margin of safety would
be to quit flying for the day (or recharge the batteries) when
the transmitter battery reaches 9.4 Volts.
SUGGESTED GUIDELINES
9.4 Volts - No more flying until recharge.
8.9 Volts - Land as soon as safely possible.
8.5 Volts - Emergency- Land immediately!
Mixer alert warning (HELI only)
If the transmitter is turned on with the throttle hold or idle up function switched on, the screen
will show "MIX" and a warning will sound. Please turn the throttle hold and idle up functions off
to precede.
Backup error
The Backup error warning occurs when the transmitter memory is lost for any reason. If this
occurs, all of the data will be reset when the power is turned on again.
When the Backup error occurs, initialization starts from model number 6 to 1.
The model number on the left of the screen changes from 6 to 5, to 4, to 3, to 2, to 1, and
finally the number disappears. The disappearance of the model number indicates that the
initialization has been completed. Now you can turn off the power of the transmitter. Please
do NOT turn off the power during the initialization; otherwise initialization will restart when you
turn on the power.
Do not fly when this message is displayed: all programming has been erased and is not
available. Return your transmitter to Futaba service.