Doosan DX700LC Operation And Maintenance Manual page 30

Emergency Exit
This machine is equipped with a glass breaking tool. It is behind
the operator seat in the upper right corner of the cabin. This tool
can be used in case of an emergency situation that requires the
breaking of glass to exit from the operator's cabin. Grip the
handle firmly and use the sharp point to break the glass.
WARNING
FG000178
Protect your eyes when breaking the glass.
Figure 13
Safety OP001120
1-24