Contents 
 
viii    M370430-01 Rev F 
3  LOCAL OPERATION ...................................................................................... 3-1 
INTRODUCTION ................................................................................................. 3-2 
CONFIGURING SETTINGS FROM THE FRONT PANEL ............................................. 3-2 
Using the 9-Position Mode Control ......................................................................... 3-2 
Using the Rotary Adjust/Enter Control .................................................................... 3-2 
Coarse and Fine Adjustment Modes ...................................................................... 3-3 
NAVIGATING THE MENU SYSTEM ........................................................................ 3-4 
Setting VOLTS and AMPS Modes .......................................................................... 3-4 
Normal Display Mode and Inactivity Timeout ......................................................... 3-6 
DISPLAY MESSAGES ON THE FRONT PANEL ........................................................ 3-8 
STANDARD (LOCAL) OPERATION ...................................................................... 3-10 
Operating Modes .................................................................................................. 3-10 
Shipped Configuration (Local Operation) ............................................................. 3-16 
ENABLING THE OUTPUT ................................................................................... 3-16 
ENABLING THE AUXILIARY OUTPUT ................................................................... 3-17 
OUTPUT AUTO START MODE (AUTO RESTART) ................................................. 3-17 
AUXILIARY AUTO START MODE ........................................................................ 3-18 
CONSTANT POWER MODE (VERSION 2.21 AND HIGHER) ..................................... 3-18 
ALARMS AND ERRORS ..................................................................................... 3-20 
Clearing Alarms .................................................................................................... 3-21 
Front Panel ALARM LED ...................................................................................... 3-22 
Alarm Masking ...................................................................................................... 3-23 
Alarm Output Latching .......................................................................................... 3-24 
SETTING FOLDBACK MODE .............................................................................. 3-25 
Resetting Activated Foldback Protection .............................................................. 3-26 
USING OVER VOLTAGE PROTECTION (OVP) ..................................................... 3-27 
Defining the OVP Set Point .................................................................................. 3-28 
USING UNDER VOLTAGE PROTECTION (UVP) ................................................... 3-29 
Defining the UVP Set Point ................................................................................... 3-29 
OVER CURRENT PROTECTION (OCP) ............................................................... 3-30 
USING OVER TEMPERATURE PROTECTION LOCK (OTP) .................................... 3-31 
Defining the OTP Mode ........................................................................................ 3-31 
Resetting in Latch Mode ....................................................................................... 3-31 
USING THE EXTERNAL SHUTDOWN FUNCTION ................................................... 3-32 
Activating the External Shutdown Function .......................................................... 3-32 
Controlling the External Shutdown Function ........................................................ 3-32 
Defining the Polarity of the External Shutdown Signal ......................................... 3-33 
LOOP PROTECTION (VERSION 2.21 AND HIGHER) ............................................... 3-33 
Setting up Loop Protection ................................................................................... 3-34 
INTERLOCK FUNCTION ..................................................................................... 3-35