Delta HD207 Series Instruction Manual page 58

5. If the instrument setup has been protected by a password (Lock Program), you have to unlock it
before going on.
6. Click Calibration in the Option menu:
7. Enter CAL password (capital letters) and confirm. Select RH and confirm with OK. In the next
window, select the first calibration point at 75%RH and press OK. The following window will
appear. Warning: do not confirm immediately!
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