OHAUS Guardian 3000 Hotplate-Stirrer Manuel D'instructions page 27

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TM
Guardian Hotplate-Stirrers
3. Press and hold the left knob until the unit beeps and the
unit will heat to the stored calibration temperature.

4.5. Enabling / Disabling the Beeper
Disabling the beeper will prevent beeps in the following scenarios:
•
Starting and stopping the heater
•
Starting and stopping the stirrer
•
When the heater reaches the set temperature
•
Starting Single Point Calibration (SPC)
1. To enter the beeper setting, the unit must first be in the top level of the settings
menu. Please refer to Accessing / Exiting Section for how to enter the top
level menu.
Rotate the left knob to scroll to the SYS (System) setting.
2.
3. Briefly press the left knob to enter the System settings menu.

The display shows beep. Briefly press the left knob to enter the beeper setting.
4.

EN-25
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