TM 9-2350-247-20-1INTRODUCTION STE/ICE–R (SIMPLIFIED TEST EQUIPMENT FOR INTERNALCOMBUSTION ENGINES-REPROGRAMMABLE) PROCEDURES—Continued0107 00Vehicle Test Meter (VTM)The VTM is the diagnostic meter of STE/ICE–R used for testing electrical and mechanical components of the M548A1 orM548A3 engine. The VTM consists of three switches, a readout display, flip cards, and four cable connectors.a. SWITCHES.The three switches are a PUSH ON/PULL OFF switch, TEST SELECT switch andTEST button. The PUSH ON/PULL OFF switch is used to control power to theVTM from the power source. The TEST SELECT switch are two ten-positionswitches used to select the test to be performed. The TEST button has twofunctions: (1) when pressed and released, it initiates selected test; (2) when pressedand held, it initiates an offset test.b. READOUT DISPLAY.The readout display gives five different types of messages during testing and up to amaximum of four characters per message. The readout display messages can befound on (WP 0107 00). The types of messages are:• error,• status,• numerical,• prompting, and• confidence test error.c. FLIP CARDS.The flip cards, attached to the front of the VTM, provide a quick but limitedreference for the operator. These flip cards list test numbers, messages, and someprocedures. Test limits are also provided for some vehicles.0107 00-2
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