7. Setting key lock
7-1 Press down SET button for 3 seconds.
7-2 Press the SET button several times until
the "Lo ON" or "Lo OFF" is displayed on
screen.
(1)press ▲:Lo ON -- the receiver panel key
functions are locked; To unlock,
press "SET" button for 3 second
("Lo ON" is displayed on screen).
Press▼ to unlock.
(2)press ▼: Lo OFF -- Unlock.
(3)Press SET key to save the setting.
LOCK
GROUP
SQ.
CH
LOCK
LOCK
LOCK
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