14 V-MAC Co-Pilot Operator’s Manual INDICATORS, LIGHTS AND DASHBOARD SWITCHES Cab and Dashboard Switches Various functions of the vehicle management and control (V-MAC) IV system are controlled by the operator through switches located on the dashboard (CHU/CXU/ GU model shown in Figure 8). These functions include:
• Cruise Control • Daytime Running Lights Overrides (Optional) • Engine Brake Operation (Optional) • Engine Speed (RPM) Control • Exhaust Aftertreatment System • Fan Override (Optional) • Idle Shutdown Override Operation (Optional) • Integrated Temp-A-Start™ (Optional) • PTO Operation Cruise control and engine speed control functions are explained in this manual in “CRUISE AND ENGINE SPEED CONTROL”, page 42. In addition to these operator-selectable switches, additional switches provide information to the Vehicle Electronic Control Unit (VECU) through normal driving activities such as applying the service brakes, parking brakes or disengaging the clutch. The location of these switches is as follows:
• Clutch pedal position (CPP) switch • Parking brake switch, located in line within the parking brake circuit • Service brake switch, located in line within the brake system
