OHAUS Guardian 3000, Instruction Manual

Page: 27 / 196

Guardian
TM
Hotplate-Stirrers EN-25
3. Press and hold the left knob until the unit beeps and the illuminates. 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.
2. Rotate the left knob to scroll to the
SYS
(System) setting.
3. Briefly press the left knob to enter the System settings menu.
4. The display shows
beep
. Briefly press the left knob to enter the beeper setting.
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