EUTECH INSTRUMENTS ALPHA PH 500 - REV 5 Manual de instrucciones Pagina 12

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5 PASSWORD
To access Calibration and Setup functions, you need to enter a password code.
You cannot change calibration and setup parameters unless you first enter the
password.
The alpha pH 200 controller features two separate passwords:
pH (ORP) calibration mode password = 011
Setup program password = 022
To enter the password:
1. Press ENTER twice. The display reads “P.000”. The first “0” flashes.
2. Press ENTER again to leave the first digit “0” and to scroll to the next
number.
3. Press the and keys to change the second digit to the correct number
(1 or 2). Press ENTER.
4. Press the and keys to change the third digit to the correct number (1
or 2). Press ENTER. The whole display will now flash to prompt for its
confirmation.
If you enter an incorrect digit, press MODE to back up.
5. Press ENTER again to confirm your password. You are now in Calibration
mode or Setup mode, depending on password entered.
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