TGA300 Rev180405
9
SILENCE Button
Suppresses audio alarms. Used when accessing program features.
MENU Button
Used to access detailed information and program features. The detailed information 
includes the exact measure and units for monitored functions. Each time the MENU 
button is pressed the display scrolls to show the next value
CHECK ENGINE / STOP ENGINE LEDs
Repeats the engine warnings from the cab.
Engine Oil Pressure LED Display
Shows pressure in safe range with green LEDs. The  LEDs  ash  red  when  the 
pressure is low.
Engine Coolant Temperature LED Display
Shows temperature in safe range with green LEDs. The LEDs ash red when the 
temperature is high.
Pump Transmission Temperature LED Display
Shows temperature in safe range with green LEDs. The LEDs ash red when the 
temperature is high.
Battery Voltage LED Display
Shows voltage in safe range with green LEDs. The LEDs ash red when the voltage 
is outside normal limits.
Figure 1.  Controls and Indicators
PUMP 
DISCHARGE 
Display
CHECK ENGINE/
STOP ENGINE 
LEDs
Governor Controls
TGA300: IDLE, PRESET, INC, and DEC buttons
TGA400: Control Knob, IDLE and PRESET buttons.
MENU 
Button
RPM 
Button and 
LED
PRESSURE 
Button and 
LED
RPM 
Display
Message 
Display
SILENCE 
Button
Battery 
Voltage 
Display
Transmission 
Temperature 
Display
Engine 
Temperature 
Display
Engine Oil 
Pressure 
Display
PUMP 
INTAKE 
Display