DEVAR d-RTTI, User Manual

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4.1 Using the Buttons
Once in the configuration mode pressing the
NEXT button steps
you through each of the configuration prompts ( F C , HI , LO and
OFFS ). Pressing the FUNC button selects the indicated function
and displays its current value. For F C the display will indicate
either ºC or ºF, pressing either the INCR or NEXT button will
toggle the between the two. For HI , LO or OFFS a four digit
number will appear with the leftmost digit blinking. Pressing the
INCR button will change the value of the blinking digit. Pressing
the NEXT button will change which digit blinks. Once the
parameter has been configured press the FUNC button a second
time to save the currently displayed value and continue to the next
configuration prompt.
4.2 Select Temperature Scale
The Temperature Scale function is used to set the temperature
scale to either ºF or ºC. At the
F C prompt press the FUNC
button to select the item then use the INCR or NEXT button to
toggle between the two choices. Press the FUNC button again to
enter the selection and move on to the next prompt.
4.3 Set Top of Range
The
Top of Range function is used to set the temperature value
that corresponds to an output signal of 20 milliamps. At the HI
prompt press the FUNC button to select the item. A four-digit
number will appear with the leftmost digit blinking. Press the INCR
button to change the value of the blinking digit. Press the NEXT
button to change which digit blinks. Edit the number then press the
FUNC button again to enter the selection and move on to the next
prompt.
4.4 Set Bottom of Range
The Bottom of Range function is used to set the temperature value
that corresponds to an output signal of 4 milliamps. At the
LO
prompt press the FUNC button to select the item. A four digit
number will appear with the leftmost digit blinking. Press the INCR
button to change the value of the blinking digit. Press the NEXT
button to change which digit blinks. Edit the number then press the
FUNC button again to enter the selection and move on to the next
prompt.