User Guide
Landcal Blackbody Source
Type R1500T
Page 17
5) Press the scroll button. UNITS (display units) is displayed. This is used to
select °C or °F operation.
To return to the Level 1 mode of operation:
1) Press and hold the Page key.
2) Press the down key to select Leu 1.
9.2 Altering the Setpoint
1) Press either the Down or Up key once to display the setpoint.
2) Use the Down or Up key to adjust the setpoint value.
The display returns to the measured temperature when no key is pressed
for 0.5 seconds.
9.3 Altering the Ramp Rate
1) Press the Scroll key until SP.RAT (SetPoint ramp rate) is displayed.
2) Use the Down or Up key to adjust the ramp rate value.
The ramp rate sets the maximum rate of heating or cooling in degrees
per minute. A value of OFF cancels the ramp rate, allowing heating and
cooling at the maximum rate. OFF is the default setting.
9.4 Altering the Power Limit (when applicable)
1) Press the Scroll key until OP.Hi (Output High) is displayed.
2) Press the Down key once to display the value of OP.Hi ...and write
down the value.
Warning
Do not increase the value without correct calculation: the furnace
elements or wiring could burn out.
3) To alter the value, use the Down or Up key. Do not set the value to zero:
this will prevent the furnace from heating.
9.5 °C to °F Conversion
To change the controller from °C to °F operation:
1) Press the Scroll key until UNITS is displayed.
2) Use the Down or Up key to select the required units of measurement.
9.6 Altering the Communication Address
1) Press the scroll key until Addr (address) is displayed.
2) To alter the value press the Down or Up key.
The display returns to the measured temperature when no key is pressed for 45
seconds.
Warning
Do not alter any other parameters.
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