Audio Mode; Sleep Mode - Thermo Scientific Eutech DO 1730 Operation Manual

3.2.16 Audio Mode

Set the audible beep on or off. The audible beep is used
when an alarm is triggered.
Press the  or  key to scroll through the Setup
Menu list until the Audio Mode item is shown.
Press the  or  key to set the audio mode.
Press the "Enter" key to save the change.

3.2.17 Sleep Mode

Set the sleep mode on or off. When the meter sleep mode
is on, the meter will enter sleep mode when no keys are
pressed for 20 minutes. Once the meter is in sleep mode,
press the "Power" key to resume using the meter. Make
sure sleep mode is off when taking timed measurements.
Press the  or  key to scroll through the Setup
Menu list until the Sleep Mode item is shown.
Press the  or  key to set the sleep mode.
Press the "Enter" key to save the change.
Eutech DO 1730 Dissolved Oxygen Meter 23