②Deepswitch
⑧MODEkey
⑦UPKEY
⑥DOWNKEY
④RESETKEY
⑨SIGNALTerminal
①Inputterminal
②Settingscreendisplayingunit
⑩Loadterminal
loadterminal
SIGNALTerminal
inputterminal
settingscreen
displayingunit
③Overcurrentcompensatingvolume
⑤Selectionkey
①LEDindicator
③internalvolume
④toggleswitch
andresetkey
Inputsignal
FNDdisplay
①LEDdisplay
②Settingkey
andvolume
③Modedisplaying
7segmentLED
④Setvaluedisplaying7segmentLED