Youshiko YC9431, Manual

Page: 6 / 10

6
6.1 RF Transmission Procedure:

The main unit automatically starts receiving transmission from outdoor thermo
sensor for outdoor temperature & humidity after weather condition setting.

The outdoor sensor will automatically transmit temperature and humidity signal
to the main unit after batteries inserted.

If main unit failed to receive transmission from outdoor thermo sensor in first 3
minutes after the batteries inserted (“ - - . – ”display on the LCD), hold “RF
SEARCH” button (B6) for 3 seconds to receive transmission manually. RF icon
“
”
flashes on the LCD.
6.2 Temperature & Humidity
(1) Past 24 Hours Highest/Lowest outdoor temperature and humidity

After start up, the unit automatically shows past 24 hours the highest & lowest
outdoor temperature and humidity record. “HI” & “LO” show on the LCD
(2) Recorded Maximum/Minimum Outdoor Temperature and Humidity from
Start-up/Reset.

Press “MEMORY” button to view the lowest and highest temperature and
humidity record from start-up or reset. “ ” display on the LCD.

When viewing the memory record, hold “MEMORY” button for 3 seconds to
clear the maximum and minimum record.

When viewing the memory record, press “MEMORY” button again to check the
corresponded time and date for the memory of highest and lowest temperature
& humidity record. The memory record value and corresponded time and date
flash. Press “MEMORY” button select to view:
Time & date for lowest temperature memory record, Time and date for highest
temperature memory record, Time & date for lowest humidity memory record,
Time and date for highest humidity memory record.
(3) Celsius / Fahrenheit

Press “°C /°F” button (B1) to select Indoor/Outdoor Temperature in Celsius mode
or Fahrenheit mode.

If the temperature is out of the measurable range, LL.L (beyond the minimum
temperature) or HH.H (beyond the maximum temperature) will be shown on the
LCD.
(4) Humidity

The humidity measurable range is 20% ~ 99%. If the current humidity
measurement is lower than 20%, the LCD would display .