Sensaphone 1400 - Manual (Page 45)

Chapter 4: Zone Programming
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3. Press the corresponding Zone key (1–4). 1400 will say the
programmed value.
1. Press the WHAT IS key.
2. Press the HIGH LIMIT key. 1400 will say “Enter Zone
Number.”
3. Press the corresponding Zone key (1-4). 1400 will say the
programmed value.
ZONE CALIBRATION
Due to tolerance variations or other factors, you may need to
program an offset to calibrate the sensor. The offset can range from
-15 to +15 for Zones configured as temperature, and -100 to +100
for Zones configured as 4–20mA. Setting a positive number will
add that number to the Zone reading. Setting a negative number will
subtract the programmed value from the Zone reading. For instance,
if a temperature sensor consistently read two degrees high, you
could use the calibration feature to adjust that temperature down
two degrees. To make a value negative, precede the value with the
[RINGS/TAD/*] Key.