Emerson 250, 350 operation manual Menu Structure and Features, Pushbutton Operation

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Section
7	Menu Structure and Features
	Menu Structure and Features

7.0 Pushbutton Operation

The menu structure and pushbutton operation of the LTM series transmitters is simple and user-friendly. The electronics module has 3 pushbuttons (from left to right):

↑: This button is used to increment values and change “Yes” to “No” and “No” to “Yes”.

↓: This button is used to decrement values and change “Yes” to “No” and “No” to “Yes”.

←: This is the enter button used to execute functions and enter/exit into or out of submenus.

The pushbuttons are timed not pressurized. It does not matter how hard/firm you press them. The buttons depend on the length of time they are pressed. The longer you hold the button the faster it will increment/decrement values. Hold the enter button down for 2 seconds to enter the configuration menus and 1 second for all subsequent menus.

2 pins on the left	2 pins on the right

Figure 15. Front Panel of Electronics Module

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Contents Instructions Table of Contents Icon Key LTM-350 has Hart ProtocolWarranty WarrantyGeneral Description Transmitter ConfigurationsTransmitter Overview Product IdentificationGage Mounted Transmitter Standalone TransmitterTransmitter with a Stilling-well Transmitter Description Detailed DescriptionTechnology Theory of Operation Configuration options must be chosen at quoting stage Basic Transmitter Block DiagramStandalone Installation InstallationGage Mount Installation General Installation GuidelinesPossible transmitter configurations Clamps do not have to meetPage When insulating gages Insulation against extreme heat/coldField Wiring Recommended Loop WiringFollowing is the Hart Topology Area Classification Installation Safety Sensor Probe Specifications Transmitter SpecificationsElectronic Specifications Hazardous Locations / General RatingsMenu Structure and Features Pushbutton OperationMenu Structure Main Screen scrollingFollowing is the LTM-250/350 LCD Menu Flowchart Menu Structure … Change Range Select AlarmDescription Select PV LCD Menu examples G R n g e Select Lower Range Value LRVOffset DescriptionTrim Sensor M S n s r F sExit Description Trim Digital-Analog-Converter DACTest Loop LCD Menu examples I m D a C T L o o p I t ?Features Scroll or Level or IntrfaceMA Out Or % Range Features Exclusive to the LTM-250/350 models Following is a flow chart of the advanced menusFeatures Exclusive to the LTM-250/350 models Features Exclusive to the LTM-250/350 models Features Exclusive to the LTM-250/350 models Features Exclusive to the LTM-250/350 models Transmitter Calibration LTM TroubleshootingTroubleshooting CalibrationPower Supply Troubleshooting General TroubleshootingPhysical and water damage are not covered under warranty LTM-350 has Hart Protocol Hart Protocol General InformationHart Protocol Menus and Flowchart … USLWhen Interf is PV, Interf is displayed

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350, 250 specifications

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