Display backlighting

The display has two levels of lighting, high level and continuous low level. High level lighting comes on for 10 seconds any time a button is pressed. Continuous low level lighting is only available if the thermostat is operated from 24VAC. It is not available with batteries. Continuous low level backlighting is a configurable option (see configuration settings above).

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Fig. 6 - On screen indicators

On-Screen Indicators

1Fan mode - on or auto

2Thermostat mode is off

3Current Setpoint or Room temperature (if configured to display room temp)

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Carrier PTACSTAT-NP-HC, PTACSTAT-NP-HP installation instructions Display backlighting, On-Screen Indicators