Radio Thermostat CT50 Operation Manual page 11

F
Set - Touch this to change the temperature display scale from o F to o C .
C
FILTER
- AIR FILTER ALERT - The CT50 can be programmed to remind you when the HVAC
sytem's air filter needs changing.
Touch FILTER. The display will show the usage to date.
Touch FILTER for over 3 seconds and the display will change to LIMIT.
Touch arrows to set desired usage limit before filter alert comes on home screen.
When this limit is reached, FILTER will be on home screen and the CHECK FILTER indicator lights.
Limit may be set from 0 to 999 days/99 weeks; default is 90 days/12 weeks. Touch to reset.
To reset the usage back to 0, touch usage number; touching it again restores the displayed usage.
to return to the MENU screen.
Touch
LOCK
(The CT50 has 2 lock modes)
Touch icon for 5 seconds; the unit will go into the PARTIAL lock mode. The user can temporarily
override the CT50 target with the +/- buttons only. (1 bar)
For FULL lock : Touch the (1 bar) icon again for 5 seconds to go to full lock. No changes can be
made in full lock (2 bars). Once locked, the CT50 will respond just to mode and menu.
To UNLOCK , Press MENU.
Touch and hold icon for 5 seconds for 2 bars (if not there already).
Then touch and hold the icon for another 5 seconds. Each 5 second touch and hold must be separate.
Touch to return to the Home screen.
11
PG