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How do I set a temporary hold temperature setting on a Honeywell RTH7400 Thermostat?

Program schedule override (temporary)

Press ▲ or ▼ to immediately adjust the temperature. This will temporarily override the temperature setting for the current time period.

The new temperature will be maintained until the next time period.

When the timer expires, the program schedule will resume and set the temperature to the level you’ve programmed for the current time period.

To cancel the temporary setting at any time, press USE SCHEDULE.

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