EXPLANATION OF COMPONENTS OPERATION SETTING SWITCH This switch (3) is used to set or clear the mode selected by the mode selector switch. DEPTH DISPLAY This monitor (4) shows the depth of the bucket from the ground level. When the bucket is above the ground level, UP is always dis- played. If a height lower than the ground surface is set as the standard surface (when in the depth display 0 set mode), the depth from the standard surface is displayed. DEPTH MODE INDICATOR This lamp (5) lights up when the amount the boom can be low- ered is set. It lights up when the mode selector switch is set to DEPTH, and shows that the boom lower amount is set.
HEIGHT MODE INDICATOR This lamp (6) lights up when the amount the boom can be raised is set. It lights up when the mode selector switch is set to HEIGHT, and shows that the boom raise amount is set. 3-10