jcb 457 Operator's Manual page 30

5. Front work lamps switch: The button turns on the machine's high-intensity front work lamps. If additional
front work lamps are installed a second press will turn these on. A subsequent press will turn off all front
work lamps.
5.1. The indicator lamps on the button will illuminate to indicate that the first and second sets of lamps
are on.
6. Rear work lamps: The switch function operate when the road lights are turned on. The button turns on the
machine's high-intensity rear work lamps. If additional rear work lamps are installed a second press will
turn these on. A subsequent press will turn off all front work lamps.
6.1. The indicator lamps on the button will illuminate to indicate that the first and second sets of lamps
are on.
7. Rear wash/wipe switch: The button turns on the rear wiper. A second press will turn off the wiper. Pressing
and holding the button will wash and wipe the window.
8. Heated rear screen switch: The button turns on the heated rear screen and heated mirrors if installed. The
output will turn off automatically after few minutes as specified or if the button is pressed for a second time.
Duration: 10min
9. Secondary steering switch: The button operates the electric backup steering system when the machine is
not moving. Use this function to test that the system can successfully pressurise the machine's steering
circuit. When pressure is detected in this circuit the secondary steer indicator lamp on the dashboard will
illuminate.
10. Engine mode switch: The button cycles through the available engine operating modes. Use this function to
increase efficiency by using the most appropriate mode for the current machine duty. Available modes are
normal for increased fuel economy and power for maximum performance.
10.1. The indicator lamp on the button will illuminate to show the power mode has been selected. Normal
mode is selected when the lamp is off.
11. Transmission auto mode switch: The button turns on the transmission auto shift mode. With auto mode
turned on the machine will select the most appropriate gear automatically to improve driveability and
efficiency.
12. Not used.
13. Torque converter lockup switch: The button turns on the automatic lockup mode. With auto lockup mode
turned on the machine will couple the engine directly to the transmission, bypassing the torque converter
and improving performance and increasing efficiency.
14. Auto differential lockup switch: The button turns on the automatic front axle differential lock. With auto
differential lock mode turned on the machine will lock the two front wheels together, reducing wheel slip
and improving traction in slippery conditions.
15. ICCO (Intelligent Clutch Cut Off) switch: The button turns on the ICCO function. With this function turned on
the machine will intelligently reduce drive from the transmission when the brakes are pressed increasing
efficiency of the machine and diverting all available power to the hydraulics.
16. Constant flow switch: The button turns on the constant flow function available on both auxiliary services.
Constant flow allows the auxiliary hydraulics to be operated without the need for keeping a hand on the
control lever. This is particularly useful when operating attachments for long periods of time.
17. Fan reverse switch
18. SRS (Smooth Ride System) switch: The button turns on the automatic SRS. Smooth ride mode provides
more comfort to the operator when travelling on an uneven surface and will activate automatically above
a set speed. A second press will turn off the SRS.
19. Detents switch: The button turns on the loader controller detent functions. The detents hold the loader
control in operation until the arms / shovel reach the return to dig, float and boom kick out positions. A
second press will turn off the function.
19 9821/3700-4
About the Product
Console Switches
19