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MODEL SOLU COMP II SECTION 4.0
DISPLAY AND OPERATION
1. If a security code has been programmed, pressing MENU causes the
security screen to appear.
2. Enter the three-digit security code.
3. If the entry is correct, the main menu screen appears. If the entry is incor-
rect, the Invalid Code screen appears. The Enter Security Code screen
reappears after 2 seconds.
Enter Security
Code
000000
Invalid Code
Calibrate
HHoolldd
Program Display
Hold Outputs and
Alarms?
YYeess
No
28
4.4 SECURITY
4.4.1 How the Security Code Works
Use the security code to prevent accidental or unwanted changes to program settings, displays, and calibration.
4.4.2 Bypassing the Security Code
Enter 555. The main menu will open.
4.4.3 Setting a Security Code
See Section 5.7.
4.5 USING HOLD
4.5.1 Purpose
The analyzer output is always proportional to measured pH or conductivity. To prevent unwanted alarms and
improper operation of control systems or dosing pumps, place the analyzer in hold before removing the sensor for
calibration and maintenance. Be sure to remove the analyzer from hold once
calibration is complete. During hold, both outputs remain at the last value. Once
in hold, the analyzer remains there indefinitely. While in hold, the screen
shown to the left appears periodically.
HHoolldd
4.5.2 Using the Hold Function
To choose a menu item, move the cursor to the item and press ENTER.
To store a number or setting, press ENTER.
1. Press MENU. The main menu screen appears. Choose Hold.
2. The Hold Outputs and Alarms ? screen appears. Choose Yes to place
the analyzer in hold. Choose No to take the analyzer out of hold.
3. The main display screen will appear.