Lennox L7742U Programming And Application Manual page 12

Options screen Reminders & User Settings
COOLING LIMIT default is 45º; to change to any degree between
45ºF and 99ºF, scroll to COOLING LIMIT; press ENTER. Use arrows to
change to desired temperature; press SAVE.
COOLING LIMIT
DEFAULT(45°F) 55°F
HEATING LIMIT default is 90º; to change to any degree between
45ºF and 90ºF, scroll to HEATING LIMIT; press ENTER. Use arrows to
change to desired temperature; press SAVE.
HEATING LIMIT
DEFAULT(9O°F) 85°F
SECURITY LOCK default − no locks at all − this provides two methods
of locking the thermostat − NO prevents others from making any
changes at all or YES prevents others from making changes other than
temperature setpoints. Scroll to SECURITY LOCK and press ENTER;
ALLOW TEMP ADJUST screen appears; press box below YES or NO.
The ENTER LOCK CODE screen appears.
ALLOW TEMP ADJUST
YES NO
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(continued)
ENTER LOCK CODE
O O O
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NOTE − If the user settings security code is forgotten or misplaced for
some reason, the universal code 864" may be used to unlock.
To enter lock code, press box below each small up-arrow to select each
column. Use up/down arrows to enter a number, then press the box be-
low the next number and repeat to enter a 3-digit lock code; write down
the number for future reference; press SAVE.
HUMIDITY SETTING See separate sections − Humidify (Page 18)
and Dehumidify (Page 20).
BACKLIGHT SETTING default is POWER SAVE; scroll to BACK-
LIGHT SETTING; press ENTER. Use arrows to change to CONTINU-
OUS; press SAVE.
BACKLIGHT SETTING
DEF(SAVE) POWER SAVE
BACKLIGHT INTENSITY default is 100%; scroll to BACKLIGHT IN-
TENSITY; press ENTER. Use arrows to change to 20 to 100% in 20%
increments; press SAVE.
BACKLIGHT INTENSITY
DEFAULT(1OO%) 8O%