Hach pHD sc Analog Differential pH/ORP Sensors Manuel D'utilisation page 15

5. Enter the exact value and push ENTER.
6. Return the sensor to the process and push ENTER.
4.4.5 Exit calibration procedure
If the BACK key is pushed during a calibration, the user can exit the
calibration.
1. Push the BACK key during a calibration. Three options are shown:
Option Description
QUIT CAL Stop the calibration. A new calibration must start
from the beginning.
BACK TO Return to the calibration.
CAL
LEAVE CAL 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 the MENU key and select Sensor
Setup, [Select Sensor].
2. Use the arrow keys to select one of the options and push ENTER.
4.4.6 Change calibration options
The user can set a reminder or include an operator ID with calibration
data from the CAL OPTIONS menu.
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
SELECT For pH sensors only—changes the set of buffer
BUFFER solutions that are recognized for calibration to pH
4.00, 7.00, 10.00 (default set) or DIN 19267 (pH
1.09, 4.65, 6.79, 9.23, 12.75)
Note: Other buffers can be used if the 1 point sample or
2 point sample option is selected during calibration.
Option Description
CAL Sets a reminder for the next calibration in days,
REMINDER 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.
4.4.7 Reset calibration options
The calibration options can be reset to the factory default options.
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
on page 15.
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.
Change calibration options
English 15