36 DDJ-T11 2 3 4ABCDEF1 2 3 46. SERVICE MODE6.1 OUTLINE OF SERVICE MODE[Operation Check of Each Operating Element]Operation check of the following operating elements cannot be performed in Service mode.Connect the unit with a PC then check that the TRACTOR software operates properly, using each operating element.Operating Element DECK MIXER FXFILTER CONTROLVolumeFaderRotary encoder AUTO LOOP CONTROLTEMPOFADER A to DCROSS FADERDRY/WET CONTROLEFFECT 1 to 3 CONTROLGAIN CONTROL A to DEQ HI A to DEQ MID A to DMAIN VOLHEADPHONE MIXHEADPHONE VOLThe following test modes are prepared for this machine.1 Check of operator input and a display function.It is the mode which checks each input and display function of buttons, JOG dials, encoders, slide switches andneedle pads.2 Quality judging of JOG dial load.It is the mode which judges the quality of the load when rotating JOG dial.3 Error display.Error detection and its display method of a device are shown.4 Firmware update.Explanation of the method of firmware update.Refer to the "8.3 UPDATING OF THE FIRMWARE."