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• TOTAL KEYPAD LOCKOUT — When op-
tion switch #3 is in the total keypad lockout
position (ON), programs cannot be altered
and all buttons are disabled.
Programming should be completed, desired
system operation should be selected (HEAT,
COOL, or AUTO), and battery should be in-
stalled before changing option switch #3.
Total Keypad Lockout (ON)
Switch #1 set at installation (DO NOT CHANGE)
Switch #2 set at installation (DO NOT CHANGE)
Switch #3 ON
Switch #4 OFF
Switches #1 and #2 are set at installation
and should not be changed. To enable total
keypad lockout, move option switch #3 to
ON (ensure that option switch #4 is OFF).
To disable total keypad lockout, move op-
tion switch #3 to OFF.
• PARTIAL KEYPAD LOCKOUT — When
option switch #4 is in the partial keypad
lockout position (ON), programs cannot be
altered. All buttons except and
are disabled.
Programming should be completed, desired
system operation should be selected (HEAT,
COOL, or AUTO), and battery should be in-
stalled before changing option switch #3.
NOTE
ON
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NOTE