1-22 Chapter 1: Product Overview
Operator Display
18004
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The7454isavailablewithtwoLCDtypes
• 12.1‐InchTFT(activematrix)800x600with64Kcolors
• 15‐inchTFT(activematrix)1024x768with262K+colors
Contrastcontrolissetbysoftware,usingadigitalpotentiometeronthe
ProcessorBoard.Theterminaldoesnothavea
user‐accessiblecontrast
adjustment.SoftwarecansetadefaultvalueafterreadingthePanelID.
Displaycontrastchangeswithtemperature.
LCD Adapter Board
ThesignalsfromtheLCDheaderontheProcessorBoardarebrought
totheLCDonaharness.Sincetherearemultiplepinconfigurations
andconnectortypesbeingusedontheLCD,asmalladapterboardis
usedtoreceivetheLCDharnessandmapthesignalsintothecorrect
pinout
fortheLCDpanel.Thisboardhasaconnectorthatplugs
directlyintotheLCDpanel.