User's Guide

POLI User’s Guide
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The interval of heart beat light is at default 1 second and can be increased to 10 seconds.
The function of interval is cancelled with the input ‘0’.
5.2.5.2 Temperature Units
The display unit of the internal temperature sensor can be switched between Fahrenheit
and Celsius.
1. Press [ /↓] to advance down the list of temperature units.
2. Press [+/OK] to select a temperature unit.
3. Press [ /↓] until ‘OK’ is selected.
4. Press [+/OK] to save your selection and exit.
5.2.5.3 LCD Contrast
The LCD contrast can be increased or decreased from its default setting. You may not
need to change the default setting except extreme ambient conditions of temperature and
light.
Use the [OK] key to change the LCD contrast. When you are done, press [ /↓] to
highlight ‘OK’ and press [ /↓] to save your change. Otherwise, highlight ‘Cancel’ and
press [ /↓] to abort changes and revert to the original setting.
5.2.5.4 Pump Speeds
If the POLI is equipped with a pump, the pump can operate at two speeds, high and low.
Running at low speed is quieter, extends pump lifespan, and conserves a small amount of
power. There is almost no difference in sampling accuracy.
5.2.5.5 Languages
Both English and Chinese are available. English is the default language, and Chinese can
be selected by users.
5.2.5.6 Backlight Mode
The LCD backlight can be set to illuminate either automatically, based on ambient light
conditions, or manually. It can be shut off too.
5.2.5.7 Auto Flip LCD
The LCD can be configured to auto flip automatically when the POLI is positioned
upside-down. The auto flip feature can be set off.
5.2.5.8 Man Down Alarm
Users can enable or disable the Man Down Alarm function according to their jobs.