0.56" DIGITAL RED LED AUTOMOBILE
THERMOMETER PANEL METER
USER’S GUIDE
©
2004-2009 Sure Electronics Inc.
Chapter 4. How to Use a Thermometer
4.1 Connection with Power Supply and Thermo Probe
FIGURE 4-1 CONNECTION SCHEMATIC
Note:
1. “VCC (+)” and ”GND (-)” shall be connected with the positive (+) and negative (-)
of DC power supply ranging from 8.5-26V.
2. Pay more attention to polarity when hooking up, otherwise thermometer will be
burnt out.
3. When an external probe (no matter a 2-pin or 3-pin version) is to be connected
with the pin header of thermometer, always leave the pin “+5V” disconnected.
4.2 Display Mode Settings
4.2.1 Display
in
℉
&
℃
Thermometer can display temperature in
℉
or
℃
, which can be set by K1 and K2 of DIP
switch.
K1 K2 Func.
OFF OFF Display in
℃
ON
OFF
Display in
℉
OFF ON Alternate display with the change of ambient brightness
（℉
/
℃）
ON
ON
No function
Notes:
1.
By setting K1 and K2, thermometer can alternately display temperature in
℉
and
℃.
ME-SP330 & ME-SP331 & ME-SP332 & ME-SP333_Ver1.0_Page 7
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