Ionics Instruments 2004 Page 9-7 DLM 30007-08 Rev. A
ENTER
CLEAR
ENTER PASSWORD
ENT= SAVE CHAR/PSWD
CLR= RESTART/EXIT
RROWS = CHANGE CHAR
FIGURE 9-3: ENTER PASSWORD Screen
7. Enter the first letter of the password by using the arrows ( or ) to
scroll to the desired letter.
8. Press ENTER to input the first letter of the password. Press CLEAR to
delete the first letter if a mistake has been made.
9. Use the arrows ( or ) to select the remaining letters of the password,
pressing ENTER to accept each letter.
10. After all letters have been entered for the password, press ENTER
again to enter the password. The display will change, indicating the
correct password has been input or that the password is incorrect
and the password must be re-entered.
11. The display will show the TC Zero Correction screen with the new TC Zero
Correction value displayed. The program prompts for confirmation that this
value is to be used. Press ENTER to save the new TC Zero Offset or
press CLEAR to exit without changing the value.
Step 4 – Check TC Zero setting:
Repeat Step 2 to perform several measurements with the UV Lamp off to
check the new TC Zero setting.
After measurements are complete, determine if the average value is within
the specified range of -0.1 < TOC < +0.1. If the average value falls within
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