2. Rotate the retaining ring counterclockwise while pulling it upward, and
unmate the DC plug.
CAUTIONCAUTION
When batteries are not installed in the Network Master, When batteries are not installed in the Network Master, turn it off beforeturn it off before
disconnecting the AC adapter. disconnecting the AC adapter.
When the Network Master is running on the AC adapter, When the Network Master is running on the AC adapter, disconnecting the ACdisconnecting the AC
adapter may damage the Network Master.adapter may damage the Network Master.