Warning Displays; Precautions When Turning The Power Switches Off And On - FUTABA 3PDF Instruction Manual

When the transmitter battery voltage drops to 8.7 volts or less. A audible alarm will
sound and the message "Low Batt" will appear on the display screen. Replace or
recharge the batteries when you hear this alarm.
LCD Screen:
Warning
When the low battery alarm is heard, immediately stop operating the model. Retrieve
the model and turn off the power switches in the proper order (Receiver then Transmit-
ter).
A discharged battery will no longer operate the transmitter and cause loss of control.
If the data is destroyed for any reason an audible alarm will sound. The message
"MEMORY ERROR" will appear on the display screen as a warning.
LCD Screen:
Warning
When a memory error is generated immediately stop operating the system and request
repair by the Futaba service center.
If you continue to operate the system control may be erratic and cause of control is highly likely.

Precautions when turning the power switches off and on.

If the power switches are turned off within 2 seconds after the data has been changed
by using the edit keys or trim levers. The information may not be retained by the
memory.

Warning Displays

Low Battery Warning
Memory Error
Audible Alarm:
Continuous Tone will sound.
Audible Alarm:
Continuous Tone will sound.