Carrier Elite Plasma Green 53QHET12-708J Owner's Manual page 26

USE OF REMOTE CONTROL (Cont.)
LOCK Function
1. Use LOCK function when you want to prevent settings
from being changed accidentally.
2. When you press TEMP. ▲and ▼ buttons as the same
time, all current settings are locked in and the remote
control does not accept any operation except that of the
LOCK.
3. A LOCK symbol
hand sides of the remote control display when the LOCK
function is activated.
4. If you want to cancel LOCK function,
Press again TEMP. ▲and ▼ buttons as the same time.
will appear on the bottom right
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