Trane CenTraVac Duplex CDHF Operation & Maintenance Manual page 49

Operator
Interface
The time setpoint screen with a 12-hour format is shown below: The user
must select Hour, or Minute and then use the up or down arrows to adjust.
Adjusting hours will also adjust am and pm.
Note: The 24-hour format setpoint screen is similar with the am and pm not
shown.
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CDHF-SVU01C-EN