OM3223 Operation - Section 32 Operator Cab and Controls Page 32-11 INSTRUMENT PANEL AND INDICATOR LIGHTS CONTROL SYMBOLS Many control functions are identified with international symbols that the operator is to learn to recognize immedi- ately. The operator must understand the function and operation of each instrument and control. This knowledge is essential for proper and safe operation of the machine. The following symbols are general indicators and may appear in multiple locations and combinations on the instru- ment panel. This symbol may be used alone or with another symbol. This symbol identifies the OFF posi- tion of a switch or control.
This symbol when it appears on an indicator or control identifies that this indicator or control is NOT used. This symbol may be used alone or with another symbol. This sym- bol identifies the ON position of a switch or control. This symbol identifies a rotary control or switch. Rotate the knob clockwise or counterclockwise for functions. This symbol identifies the PUSHED IN position of a push- pull switch or control. This symbol identifies a switch used to test or check a function. Press the switch on the side near the symbol to perform the test. This symbol identifies the PULLED OUT position of a push- pull switch or control.
INSTRUMENT PANEL The operator must understand the function and oper- ation of each instrument and control. Control func- tions are identified with international symbols that the operator should learn to recognize immediately. This knowledge is essential for proper and safe operation. Items that are marked optional do not apply to every truck.