5GENERALINFORMATION2. Controls2.1 FRONT PANELThe front panel provides a power switch, ten control buttons, and Vacuum Fluorescent Display(VFD).ADJUSTMODEL 6400DISPLAYPOWER/AUX TORQUE SPEEDPOWER UNITS TORQUE UNITS AUX SETUP CLEAR MEM SETUP SHIFTTARE UNITS DISPLAY DISPLAY STORE RECALLPOWERFigure 2–1 Front Panel2.2 FRONT PANEL CONTROLS AND BUTTONSThe front panel controls and buttons, from left to right, are:• Power switch• Five double-function control buttons:noitcnuFyramirP noitcnuFyradnoceSERAT STINUREWOPYALPSIDSTINU STINUEUQROTYALPSID PUTESXUAEROTS MEMRAELCLLACER PUTES• SHIFT button (enables secondary functions printed in blue above control buttons)• Four ADJUST buttons:• Left Arrow W• Right Arrow X• Up Arrow S• Down Arrow T2.2.1 E NABLING S ECONDARY FUNCTIONSTo enable the secondary function of the double-function control buttons:1. Press and release the blue SHIFT button. The word “SHIFT” appears in the display.2. Press any control button to enable the function shown in blue letters above the button (POWERUNITS, TORQUE UNITS, AUX SETUP, CLEAR MEM or SETUP).3. Press and release the SHIFT button to exit the secondary functions and return to the mainmenu.