OPERATION OPERATION CHECKING WITH MACHINE MONITOR (Monitor panel specification) 1. Turn starting switch (1) to the ON position. 2. Check that all monitor lamps light up for 3 seconds, the warning lamp lights up for 2 seconds, and the alarm buzzer sounds for 1 second. REMARK If the lamps do not light up, there may be a failure or discon- nection in the monitor, so please contact your Komatsu distrib- utor. 3-45