User's Manual

5.2OutdoorThermosensor
Theremotesensorshouldbesecurelymountedontoahorizontalsurface. 
Note:Transmissionsbetweenreceiverandtransmittercanreachupto100min
openarea.  OpenArea:therearenointerferingobstaclessuchasbuildings,
trees,vehicles,highvoltagelines,etc.
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6.RFTransmission
z Themainunitautomaticallystartsreceivingtransmissionfromoutdoorthermo
sensorforoutdoortemperatureafterbatteriesinserted.RFicon“ ”flasheson
theLCD.
z The thermo sensor unit will automatically transmit temperature signal to the
mainunitafterbatteriesinserted. 
z Ifmainunitfailedtoreceivetransmissionfromoutdoorthermosensorinfirst3
minutesafterthebatteriesinserted,“.–”displayontheLCD.
z Hold“SEARCH”button(B8)for3secondstoreceivetransmissionmanually. 
z Press “C/F” button (D5) on thermo sensor unit to select temperature to be
displayedinCelsiusmodeorFahrenheitmode.
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7.TimeandAlarmSetting
7.1RadioControlledClock:
z After batteries inserted and main unit finishes receiving the transmission from
outdoor thermo sensor, the clock automatically starts to scan the WWVB time
signal.RadioControlIcon“
”flashesontheLCD.
flashes,
Indicatingnowisreceiving
WWVBsignal
turnson,
Indicatingsignalreceived
successfully
 disappear,
Indicatingsignalreception
failed
z Theclockautomaticallyscansthetimesignalat2.00a.m.everydaytomaintain
accurate timing. If reception fail, scanning stops (“
” on LCD disappear) and
repeatsagainat3.00a.m.,4.00a.m.and5.00am.
z Theclockcanbesettoscanthetimesignalmanuallybyholding“  ”button(B4)
for 3 seconds. Each reception takes around several minutes. If receptions fail,
scanningstops.(“
”onLCDdisappear)andrepeatsagainonnextfullhour.E.g.
scanningfailedat8:20a.m.Itwillscanagainat9:00a.m.