Power works Optimow 10 Operator's Manual page 16

Installation
EN
16
POWERWORKSTOOLS.COM
Insert both ends of the boundary wire as well as the end of the guide
wire into the splice and guide wire connector. Check that the wires are
fully inserted into the splice and guide wire connector so that the ends
are visible through the splice and guide wire connector.
Squeeze down the button on top of the splice and guide wire connector
fully using a polygrip until you hear a click.
Secure the splice and the boundary and guide wires either using pegs
or by burying.
Connect the guide wire to the charging station as follows:
1 Remove the protective cover on the charging station and thread
G
the guide wire behind the tabs into the channel leading to the
terminals.
2 Connect the guide wire to the contact pin on the charging station
that is labelled G.