This chapter describes the operating modes, controls and indicators of the ZUP power supply series.Details of local operation via the front panel and various modes of operation are described in thischapter, including remote analog control via the rear panel. For computer control via the Serial port(RS232 or RS485), refer to chapter 5.CHAPTER 4 OPERATING INSTRUCTIONS4.1 INTRODUCTION4.2 CONTROLS AND INDICATORS4.2.1 Front panelFig. 4-1: Front panel controls and indicators22131211103 56478912