Manitowoc Published 11-20-19, Control # 234-19 3-41
MLC300 OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Item Name Description
1 Power Switch
The power switch has the following positions:
•OFF (A): maintained position that turns off the
remote control’s internal power circuit.
•ON (B): maintained position that turns on the remote
control’s internal power circuit.
•Start (C): momentary position that starts the engine.
When released, the switch spring returns to the ON
(B) position.
See Startup Procedure on page 3-63
for engine start precautions.
2 Communication Switch
Press and release the button to TURN ON communication between the remote
control and the transceiver. The communication light (27) will flash green.
Press and release the button again to TURN OFF communication between the
remote control and the transceiver. The communication light (27) will turn off.
3 Horn Switch
PRESS and hold to TURN ON the crane’s horn.
RELEASE to TURN OFF the crane’s horn.
4 Receptacle
The remote control can be operated without an electric cable (wireless) if job
site conditions allow transmission of a wireless signal.
If you are unable to get a wireless signal, the electric cable (A) supplied by
Manitowoc can be connected between the remote control receptacle (4) and the
transceiver receptacle (B).
5-6 Not Used
7 Speed Switch
Rotate CLOCKWISE to INCREASE engine speed (high).
Rotate COUNTERCLOCKWISE to DECREASE engine speed (low).
8 Emergency Stop Switch
When this button is depressed, the engine shuts off and all functions come to a
complete stop and are inoperable.
For normal engine shut down, use the external engine switch (6, page 3-38
).
NOTE The button must be pulled up before the engine can be restarted.
9 Function Light
Glows GREEN to indicate which setup function (10 through 25) has been
selected.
Table 3-15. Identification and Operation of Remote Controls