Cat Monitoring System Numeric Readout Mode Caterpillar


Numeric Readout Mode
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Illustration 1g00299479
Display Area

Numeric readout mode is an operator mode. Numeric readout mode assists service personnel with troubleshooting of sensor inputs. The inputs supply information for the gauges in the quad gauge modules. Numeric readout mode more accurately shows the same information that is shown on the gauges in normal mode. The system identifier and the numeric value for the system scrolls on the six digit display area. The system identifier identifies the system that is currently shown on the six digit display area. See table 1 for "System Identification" and illustration 2 in order to match the system identifier to the appropriate gauge.

Note: Custom applications on some machine models will scroll to system identifiers GA-5 and GA-6. These system identifiers represent machine system information that is only displayed in the six digit display area and is not represented by a gauge.



Illustration 2g00537627
Quad gauge modules


Illustration 3g00299481
This is an illustration of the display area on the Main Display Module that is showing an example of a system identifier.

Table 1
System Identification 
System Identifier  Gauge (System) 
GA-1  Coolant Temperature 
GA-2  Torque Converter Temperature 
GA-3(1)  Air Pressure 
GA-4  Fuel 
GA-5  Engine Oil Pressure 
GA-6  Inlet Air Temperature 
(1) In D6III and D7RII D/S models and 572RII, GA-3 is Hydraulic Oil Temperature

Table 2
Units 
Condition  Units of Measurement 
Temperature  °C 
Pressure  kPa 
Voltage  0.1 volts 
Level  % full 

Only the gauge for the system that is shown on the six digit display area is operational. All other gauges in the quad gauge module are shut off. The gauge needles will move to the far left position.

When you enter the numeric readout mode, the six digit display area is showing information for system GA-1. The display momentarily shows the system identifier. The display then shows the value for the corresponding system on the six digit display area. Scroll through the gauges by momentarily pressing the operator mode switch. Toggle the operator mode switch quickly. When the service input is grounded, all of the systems will scroll on the display. This will show the system identifiers. Removing ground from the service input stops the scrolling, when the desired system is shown. The six digit display area continues to show the system identifier momentarily. The six digit display area then shows the value of the system. The system is now shown on hold. While the system is on hold, the numeric value of the system is continuously updated.

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