Komatsu D375A-5 Operation & Maintenance Manual page 48

OPERATION
If the base machine or operator are in danger, do as follows.
Emergency stop
When this switch is pressed, the engine stops and all output matching the operation of the levers is also stopped.
(The hydraulic pressure of the valve unit is blocked, and all operations, including the horn, become ineffective.)
The parking brake is applied.
To start the engine again, pull the emergency stop switch, turn all the transmitter switches OFF, set the engine
speed to idling, and return all levers to neutral.
Check that the situation is safe, then start the engine.
Key switch OFF
The power supply for the transmitter is turned OFF, and the engine stops after approx. 3 seconds.
Item
Emergency stop
Transmitter power OFF
Tilt stop
Reception error
Lack of battery capacity
Engine All valves
Stops Stops
Stops Stops
Stops Stops
Stops Stops
Stops Stops
10. HANDLING RADIO CONTROL
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