Hach 3700 Series Basic User Manual page 24

Exit calibration procedure
1. To exit a calibration, push back.
2. Select an option.
Option Description
ABORT Stop the calibration. A new calibration must start from the beginning.
BACK TO CAL Return to the calibration.
LEAVE Exit the calibration temporarily. Access to other menus is allowed. A calibration for a second
sensor (if present) can be started. To return to the calibration, push menu and select
SENSOR SETUP > [Select Sensor].
Change calibration options
The user can set a reminder or include an operator ID with calibration data from the CAL OPTIONS
menu.
Note: This procedure is not applicable to the sc100 controller.
1. Push the MENU key and select Sensor Setup, [Select Sensor], Calibrate, Cal Options.
2. Use the arrow keys to select an option and push ENTER.
Option Description
CAL REMINDER Sets a reminder for the next calibration in days, months or years—Off (default), 1 day, 7,
30, 60, or 90 days, 6 or 9 months, 1 or 2 years
OP ID on CAL Includes an operator ID with calibration data—Yes or No (default). The ID is entered
during the calibration.
Reset calibration options
The calibration options can be reset to the factory default options.
Note: This procedure is not applicable to the sc100 controller.
1. Push the MENU key and select Sensor Setup, [Select Sensor], Calibrate, Reset Default Cal.
2. If the passcode is enabled in the security menu for the controller, enter the passcode.
3. Push ENTER. The Reset Cal? screen is shown.
4. Push ENTER. All calibration options are set to the default values.
5. If the option for operator ID is set to Yes in the Calibration Options menu, enter an operator ID.
Refer to Change calibration options
6. On the New Sensor screen, select whether the sensor is new:
Option Description
Yes The sensor was not calibrated previously with this controller. The days of operation and previous
calibration curves for the sensor are reset.
No The sensor was calibrated previously with this controller.
7. Push the BACK key to return to the measure screen.
Modbus registers
A list of Modbus registers is available for network communication. Refer to the manufacturer's
website for more information.
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