TM 5-3805-293-10
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MESSENGER DISPLAY CONTINUED
Service Menu
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The Service menu (Figure 7) has two main sub-menus, Diagnostics/Events and Service Parameters, and numer-
ous sub-sub-menus under Service Parameters for service parameters, system tests, system information, service
tests, calibration, and tattletale.
Figure 7. Service Menu.
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The following option is available through the Diagnostics/Events sub-menu:
VIEW DIAGNOSTICS. Select this option to view diagnostics/events logged by the monitoring system. A pass-
word is required to change any settings in this menu.
System Parameters Sub-Menu
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a. The following options are available through the Monitoring system sub-sub-menu:
(1) BATTERY VOLTAGE. When scrolling to this option, display shows available battery voltage.
(2) FUEL LEVEL. When scrolling to this option, display shows fuel tank fill level.
(3) ALTERNATOR STATUS. When scrolling to this option, display shows status of alternator.
b. The following options are available through the Engine sub-sub-menu:
(1) ENGINE RPM. When scrolling to this option, display shows engine speed in revolutions per minute.
(2) DESIRED ENGINE RPM. When scrolling to this option, display shows desired engine speed in revolu-
tions per minute.
(3) ENGINE OIL PRESSURE. When scrolling to this option, display shows engine oil pressure.
(4) ENGINE COOLANT TEMPERATURE. When scrolling to this option, display shows engine coolant
temperature.
(5) FUEL PRS. When scrolling to this option, display shows fuel pressure.
(6) AIR PRS. When scrolling to this option, display shows intake manifold air pressure.
(7) AIR TEMP. When scrolling to this option, display shows intake manifold air temperature.
(8) ATMOSPHERIC PRS. When scrolling to this option, display shows atmospheric pressure.
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