7197 Owner’s Guide Chapter 4: DiagnosticsNovember 2002 51Receive Buffer Size OptionThis function allows the user to set the buffer size to a single line or a 4 K buffer.Press the Paper Feed Button for the option you want.** SET RECEIVE BUFFER SIZE ?YES -> Long ClickNO -> Short Click4K Buffer* -> Long ClickOne Line -> Short ClickNote: Press the Paper Feed Button for at least one second to validate the selection.Save ParametersThis function allows to save the selected communication settings or return to thecommunication settings to select additional options.Press the Paper Feed Button for the option you want.Save new parameters ?YES -> Long ClickNO, MODIFY -> Short ClickDiagnostic ModesThis function allows the user to put the printer into the following diagnostic modes: OFF, Normal Mode: this is the normal operating mode of the printer. Datascope Mode: the receipt printer prints incoming commands and data inhexadecimal format. Receipt Test Mode: the receipt printer prints two code pages.The diagnostic modes are enabled or disabled by using the Configuration Menu. See“Configuration the Printer,” for instructions on how to enter the Configuration Menu.Press the Paper Feed Button for the diagnostic mode you want.** SET DIAGNOSTICS MODE ?YES -> Long ClickNO -> Short ClickOFF, Normal Mode* -> 1 ClickData Scope Mode -> 2 ClicksReceipt Test Mode -> 3 ClicksEnter code, then hold Button DOWNAt least 1 second to validateEnter code, then hold Button DOWNAt least 1 second to validate