Futaba 4PL 2.4GHz FHSS - Manual (Page 101)

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Power off forgotten warning
If the T4PL is not operated for 10 minutes, an audible
alarm is sounded and "OPE WARN" is displayed on
the screen. The audible alarm stops when the steering
wheel, throttle trigger, and any dial, switch, or edit but-
ton is operated. If you are not going to use the trans-
mitter, turn the power off. (Setting can be reset at the
system menu on page 93.)
Audible alarm:
Tone sounds (7 times) and stops (repeated)
LCD screen:
MIX Warning
When the power switch is turned on while the idle-up,
preset (engine cut) or neutral brake function switch is on,
an audible alarm will sound and "MIX WARN" will be
displayed on the LCD. When that function switch is turned
off, the alarm will stop. LCD screen:
Audible alarm:
Tone sounds (7 times) and stops (repeated)
High voltage alarm
If a battery exceeding 8V is used with the T4PL, an au-
dible alarm will sound and "BATTERY HIGH VOLT-
AGE" will be displayed on the LCD screen.
Immediately remove the battery because it may cause
the T4PL to malfunction.
LCD screen:
Audible alarm:
Tone sounds (7 times) and stops (repeated)
Memory Error
If the data in the transmitter is not transferred normally
when the power is turned on, an audible alarm will
sound and "MAIN MEMORY ACCESS ERROR" will
be displayed on the LCD.
- To stop the alarm, turn off the power.
- Turn the power back on. If the alarm is not generated again, there
is no problem.
LCD screen:
Audible alarm:
Tone sounds (7 times) and stops (repeated)