Configure The System; Set The Time And Date; Set The Sleep Mode And Backlight Timeout; Set The Alarm Reasons Option - Hach MET ONE 3400 User Manual

3. Select BASIC MODE.
4. Push RETURN to restart the instrument.

Configure the system

System settings control how data is measured and stored, user permissions and other system-
wide parameters. System settings can be configured as part of instrument commission, or changed
later for different applications.

Set the time and date

Time and date will need to be set at initial commissioning.
1. On the Counter Navigation screen, push SYSTEM.
2. Select the Basic tab.
3. Select the Time field. Use the numeric keypad to enter the current time in the HH:MM:SS format,
then confirm.
4. Select the Date field. Use the numeric keypad to enter the current date in the YYYY-MM-DD
format, then confirm.

Set the sleep mode and backlight timeout

Sleep mode and backlight time are active during battery use. When the instrument is connected to
AC power, sleep mode and backlight are not active.
During sleep mode the instrument goes into hibernation after a period of inactivity to conserve power.
All subsystems are shut down. The time value for sleep mode is in minutes.
The backlight setting turns off the LCD backlight after a period of inactivity to conserve power. The
time value for the backlight setting is in seconds.
1. On the Counter Navigation screen, push SYSTEM.
2. Select the Basic tab.
3. Select the Sleep Time field. Enter the length of idle time before sleep mode begins, then confirm.
The range is 1 to 30 minutes.
Note: Enter 0 to disable sleep mode.
4. On the Basic tab, select the Backlight Timeout field. Enter the length of idle time before the user
interface backlight turns off, then confirm. The range is 5 to 300 seconds.
Note: Enter a value of less than 5 seconds to disable backlight timeout.
To bring the instrument out of backlight timeout, use a finger or a stylus to make the user
interface touchscreen active.

Set the Alarm Reasons option

To capture data about why alarms occur, the Alarm Reason option is set as Required or Optional. In
both Required and Optional mode, the user is prompted to select from preset alarm reasons for the
alarm event. All users can enter alarm reasons. Only administrators, factory-level users or users with
System Settings permissions can disable or change the Alarm Reasons option.
To enable or disable Alarm reasons:
1. On the Counter Navigation screen, push SYSTEM.
2. On the Units and Alarms tab, push
3. On the Alarm Reasons screen, select REQUIRED, OPTIONAL or DISABLED. Refer to
for more information.
Note: The Alarm Reasons option is set to Disabled by default.
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