Guardian
TM
Hotplate-Stirrers
EN-3
2. BASIC FUNCTIONS
Note
: refers to beep in the following table.
Quick Press
Long Press
Press & Hold
Rotate
(.05 sec)
(.3 sec)
(1.5 sec)
/
I/O
– Standby
Switch
Turn unit on
(Press switch)
Turn unit off
(Press switch)
Temp Knob
Functions
Change temp settings
(Rotate temp knob)
/
Turn heater on
(Long press temp knob until
unit beeps & green light
appears)
Change temperature
settings, while heating
(Rotate temp knob, the
setting will blink, then quick
press knob)
/
(If setting is idle for 6 sec, setting
will return to prior value)
Turn heater off
(Long press temp knob until
unit beeps & green light
fades)
Enter settings menu
[heater & stirrer must be off]
(Press & hold temp knob
until “MENU” appears)
Speed Knob
Functions
Change speed settings
(Rotate speed knob)
/
Turn stirrer on
(Long press speed knob until
unit beeps & green light
appears)
Change speed settings,
while stirring
(Rotate speed knob, the
setting will blink, then quick
press knob)
/
(If setting is idle for 6 sec, setting
will return to prior value)
Turn stirrer off
(Long press speed knob until
unit beeps & green light
fades)
