How to adjust the fan timing settings for rail transit dry-type transformer thermostats

How to adjust the fan timing of rail transit dry change thermostat? Press and hold the "F key" for three seconds to enter the function menu interface, then press the "F key" to select "fan timing", and then press the "OK key" to enter the fan timing setting interface. "Enter the fan timing setting interface, modify the fan timing incentive interval time through the incremental key and decremental key, the modification range is 0 to 100 hours. After modification, press OK to save the parameters.