EUTECH INSTRUMENTS ALPHA PH 500 - REV 5 Bedienerhandbuch PDF herunterladen (Seite 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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EUTECH INSTRUMENTS ALPHA PH 500 - REV 5 Bedienerhandbuch Seite 12