7.2.1 Control key functions• back to menu selection• Back to parameter selection• Negation of yes-no queries• Cancel• Confirming menu selection• Confirming parameter values• Confirming parameter values• Affirmation of yes-no queries• Menu selection• Parameter selection• Increasing parameter values• Menu selection• Parameter selection• Reducing parameter values• Show / exit INFO menu• Display of current operational states7.2.2 Menu and parameter navigationMain page ZIEHL-ABEGG AGZETADYN 4CS011-DSN: 09229587/0002Phone: +49 794016308- Actuate with any keyMenu section ZETADYN 4->StartupStatisticMemory Card- Select required menuConfirm menu selectionParameter section StartupUSR_LEV Basic->MOT_TYP SM250n 96 rpmParameter selection- Confirming parameter valuesChanging parame-terStartup|-" MOT_TYP SM225|-" SM250Motortype- Enter / select parameter value.- Confirm value7.2.3 The different operating levelsThe firmware of the ZETADYN 4C is divided into two operating levels:Basic-Level• Three menus are available here: Startup, Statistics and Memory Card• Starting up takes place exclusively in the "Startup" menu.Advanced-Level• In the Advanced-Level all parameters as described in chapter 10 "Parameter List" are displayed.• Depending on the parameterisation, unneeded parameters are hidden automatically to give a betteroverview.Information• You can switch between Basic-Level and Advanced-Level by a long press of the key.• The level which is active after the controller start can be set by the parameter LCD &Password/USR_LEV.Translation of the original operating instructionsZETADYN 4C Operation and parameterisingR-TBA12_01-GB 1415 Part.-No. 00163371-GB50/204