EN
12
WARNING HEAT INDEX MEANING
°F °C
Extreme
danger
130 or
above
54.5 or
above
Strong
possibility of
heat stroke
Danger 105-129 40.5-53.9 Heat
exhaustion
likely
Extreme
caution
90-104 32.2-40 Possibility
of heat
dehydration
Caution 80-89 26.6-31.7 Possibility
of heat
exhaustion
• To display the heat index, press HEAT INDEX
.
• To toggle between current / maximum / minimum
readings, press HEAT INDEX
, then press
CHANNEL to select channel 1-3 or indoor, followed
by MEMORY
.
• To toggle between temperature / humidity and
heat index display, press and hold HEAT INDEX
for 2 seconds. Press HEAT INDEX
again to stop
this feature.
NOTE If the heat index is below 80°F / 26°C, or the
desired channel is not working, the heat index will
display “NA”.
UV SENSOR (UVN128)
The UV sensor measures the UV Index. It transmits data
to the main unit every 73 seconds and has a maximum
transmission range of 328 feet (100 meters).
SET UP SENSOR
1. Insert the batteries as shown.
2. Close the battery door and press RESET to turn
the sensor on.
3. Press and hold
CHANNEL and MEMORY on the
main unit to initiate a signal search. The UVI sensor
icon on the main unit will flash to show it is
searching for the sensor. It will stop flashing when
it has found the sensor. If the main unit cannot find
the sensor, “- -” will appear on the LCD.
