. OPERATION EXPLANATION OF COMPONENTS 3 - 50 YELLOW ROTATING LAMP SWITCH (If e quipped) Thi s switch ( 26) is use d to light up. Position (A): Rotating l amp lights u Position (B): REMARK Use the yellow r otating lam p when carrying out operations. Follow the guidance of th e supervisor whe n using. CAB-MOUNTED WORKING LAMP SWITCH (If e quipped) Thi s switch ( 27) is used to li ght up t he cab-mounted working lamp. Position (A): Working l amp lights u Position (B):