Operation Manual
- 2 -
2. Clock Set
In the clock mode, press the SET key once, an icon C will shown blinking. This is the set
clock mode. Hours and minutes values can now be entered by pressing the keys h/▲ and
m/▼. Press SET key once to return to normal clock display.
3. Modes of Operation
There are in total three control modes of operation in ET01 selectable by the user to fit
his application requirement.
• Thermo mode
• Timer mode
• Thermo-Timer mode
Each mode is independent of the other and at each time only one mode can be in
operation. Activate one mode means automatically disabling the other previously active
mode.
Mode 1 – Temperature control mode – symbol is ( )
To enter this mode, in normal clock or temperature display mode, press SET key once to
see the flag C blinking. Now press the MODE key once to see the display changes to set
temperature value mode which shows 18 ° C as the default value. A thermometer flag
is shown blinking denoting the user he is in temperature set mode. The temperature value
can now be changed up or down by the h/▲ or the m/▼ keys. The settable range is 40° C
to 0° C. After the desired value is set, press SET key once to leave the temperature set
mode and returns to normal temperature display mode. The thermometer flag is now
showing steadily. If the control temperature set value is higher than the temperature
measured by the probe, the flag ON will be shown to inform the control output is now
active. Otherwise the INT flag is maintained. The temperature control activity can be
temporarily suspended by first entering the set temperature mode, then press the Manual
Override key once, a cross flag will appear to inform the temperature control action is
now suspended.