Lowrance HDS Live Operator's Manual page 170

The keys can at any time later be configured to match the user's
preferences.
Ú Note:
Batteries must be inserted in the remote, and the units
must be closer than 30 m (98 ft) to configure the remote.
Select a key configuration from the drop-down list for each of the
keys you want to configure.
Operating the LR-1
Press the dedicated key on the LR-1 to remotely control the MFD.
A green LED on the remote flashes for each key press to indicate
that the remote is connected and working.
170
Remote control of the MFD| HDS Live Operator Manual