Volvo VNL 780 Operator's Manual page 81

5. Inter-Wheel Differential Lock
6. Inter-Axle Differential Lock
7. VN: Idle Management Indicator
Lamp (ISX ICON) or Optional Switch or
Electronically Controlled Suspension (ECS)
On/Off or Lift Axle #1 (Pusher) VHD: Lift
Axle #1 (Tag or Pusher)
8. VN: Optional Switch or Electronically
Controlled Suspension (ECS) Up/Down
VHD: Lift Axle #2 (Tag or Pusher)
9. Auxiliary #1
10. VN: Auxiliary #2 or Temp-A-Start
(TAS) Indicator Lamps VHD: Auxiliary #2
11. VN: Auxiliary #3 or Temp-A-Start
(TAS) On/Off VHD: Auxiliary #3 or Lift
Axle #3 (Tag or Pusher)
12. Secondary Gauge Cluster
13. Secondary Gauge Cluster
14. Engine Brake or I-Shift Eco-Roll
INSTRUMENTS AND CONTROLS
15. VN: Engine Brake Mode Select (ISX)
or I-Shift Hill Start Assist VHD: Optional
Switch or I-Shift Hill Start Assist
16. VN: 5th Wheel Touch Lock
(Unlock)VHD: Transmission Retarder
17. Marker Interrupt or Secondary Gauge
Cluster
18. Optional Switch or Secondary Gauge
Cluster
19. Traction Control
20. Suspension Dump
21. 5th Wheel Slide or Engine Inside/Outside
Air Control
22. Air Vent
23. Radio
24. Fan Speed
25. Recirculation
26. Air Distribution
27. AC ON/OFF
28. Temperature Knob
29. Trailer Hand Brake Control
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