Fig 1. Front Panel
1)
Parameter Window (LED) -
for displaying temperature values and controller's
system parameters.
2)
Temperature status indicator
- In normal mode, this LED indicates the heater
status. When it is on (lit), the heater is powered. When it is off, the heater power is
off. When it is flashing, it means the heater is on and off intermittently to reduce
the power output.
3)
SET Key
- for showing current temperature settings, getting into parameters
setting mode and confirming various actions taken.
4)
“+” Key -
To increment displayed value.
5)
“-“ Key -
To decrement displayed value.
6)
Time Key
– Change the Parameter Window between current timer and
temperature values, when pressed.
7)
Mode indicator
, the small “dot” – if it is lit and flashing, the value displayed in the
Parameter Window is time, else it is temperature.
8)
Timer status indicator
- In normal mode, When “8)” is on and “7)” is flashing, LED
shows the time passed since the controller powered on. When it is off, the LED
shows the current temperature detected by the sensor probe
4