COVER-BASE 2592358 - Caterpillar

Tattletale Mode (Mode 3)
This mode is useful for monitoring the ranges of the engine systems operation. The information can be used for management and maintenance of the engine.Note: The following information is not included with the values of the tattletale: date, time and duration of the occurrence.The main display module records the extreme value for each engine system that is monitored. A value for a system is updated when a more extreme value occurs. These values are ignored for a short period of time after each engine start-up. This allows the engine systems to stabilize before the old values can be updated with new values. To initiate Mode 3 operation, hold the "CLEAR/MODE" switch in the "MODE" position until “-3-” appears on the LCD.All of the gauges will display values that have been attained for the corresponding subsystems of the engine. The highest gauge readings are for values that abnormally increase. The lowest readings are for values that abnormally decrease.The values of the gauges can be more accurately displayed with the LCD. Advance the LCD to the first value by using the "SCROLL" switch. The instrument panel will show the following displays:
An identifier for the subsystem of the engine will be displayed. The LCD will momentarily identify the gauge with a number “-GA-1-”.
The value for the tattletale will be displayed.
The corresponding gauge needle is activated. All of the other gauge needles default to the minimum position.Press the "SCROLL" switch again in order to review the other tattletales.The values of the tattletales are retained until the information is cleared from the main display module's memory.To clear all of the tattletales from the memory, push the "MODE/CLEAR" switch to the "CLEAR" position while “- -” is displayed on the LCD. After the information is cleared, all the tattletales are reset to a nominal value. Then new extreme values can be recorded.To clear an individual tattletale, push the "MODE/CLEAR" switch to the "CLEAR" position while the value is displayed on the LCD.Units Mode (Mode 4)
This mode is used to change the LCD between metric units and English units. To initiate Mode 4 operation, hold the "CLEAR/MODE" switch in the "MODE" position until “-4-” appears on the LCD.When Mode 4 is activated, the LCD will indicate the current units.
“SI” is displayed when metric units are selected.
“US” is displayed when English units are selected.To toggle the units between “SI” and “US”, press the "SCROLL" switch. Harness Code Mode (Mode 5)
This mode displays the machine code for the engine model. The machine code is a two-digit representation of the harness code. The code must correspond to the sales model of the monitoring system's engine. An incorrect code will result in incorrect operation of the monitoring system. This could result in the generation of excessive diagnostic service codes.To initiate Mode 5 operation, hold the "CLEAR/MODE" switch in the "MODE" position until “-5-” appears on the LCD. The machine code will automatically be displayed.The machine code for the 3500B Locomotive Engine is "35".Warning Operation
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