Operation Manual

ManualsBrandsTechno line ManualsAir ConditioningWS 9251

Please read the instructions carefully and keep the manual well for future reference.

1. Remove the battery door of the main unit and transmitter.

2. Install 2 new AA size batteries for both main unit and transmitter, according to the polarity mark on

the battery compartment.

3. Replace the battery door.

4. After the batteries are installed, all LCD segment will be shown.

5. Press the “RESET” key of main unit first, and press the “RESET” key of transmitter.

6. It will automatically receive 433 MHz signal from transmitter for channel test in 8 seconds.

7. After 5 minutes channel test, it will turn to RC signal reception automatically.

8. Radio Controlled function, the current time & date automatically synchronized with the time signal

transmitted from Germany(DCF77).

1. The unit can operate up to 3 remote transmitters.

2. Position the unit and transmitter within the effective transmission range: 50 meters in usual

circumstances.

3. In some cases, you may not receive the signal immediately, you can reset the unit and transmitter

again as described above.

1. LCD display

- Display of the time, alarm time, outdoor & indoor temperature and weather forecast.

2. SNOOZE / LIGHT key

- Press it to turn on backlight for 5 seconds.

- When the alarm is sounding, press it to stop the current alarm and activate snooze.

3. ALARM SET key

- Press it to display alarm time for 5 seconds. During alarm time displayed, press it to turn on/ off alarm

function.

- Press and hold it for 3 seconds to enter alarm setting mode.

- In alarm setting mode, press it to step the setting item, and press it to save and exit the setting.

4. CH/+ key

- In normal mode, press it to select channel 1 to channel 3.

- Press and hold it for 3 seconds to turn to channel auto-change mode. Press it again to return to

normal mode.

- In setting mode, press it to adjust the value of the flashing digit upwards. And press it without

releasing to speed up the setting.

5. MEM/- key

- In normal mode, press it to check the max./min. indoor and outdoor temperature record for 5 seconds.

Summary of content (6 pages)

PAGE 1
Please read the instructions carefully and keep the manual well for future reference. 1. Remove the battery door of the main unit and transmitter. 2. Install 2 new AA size batteries for both main unit and transmitter, according to the polarity mark on the battery compartment. 3. Replace the battery door. 4. After the batteries are installed, all LCD segment will be shown. 5. Press the “RESET” key of main unit first, and press the “RESET” key of transmitter. 6.
PAGE 2
- Press and hold it for 3 seconds to delete the max./min. temperature record. - In setting mode, press it to adjust the value of the flashing digit downwards. And press it without releasing to speed up the setting. 6. DISPLAY SET key - In normal mode, press and hold it for 3 seconds to enter time setting mode. - In time setting mode, press it to step the setting item, and press and hold it for 3 seconds to save and exit the setting. 7. °C/°F slide switch - Select temperature unit between °C/°F. 8.
PAGE 3
1. In normal mode, press and hold “DISPLAY SET” key for 3 seconds until the Hour format digit flashing. 2. Press “+” / “-” key to select 12/24 hour format. 3. Press “DISPLAY SET” key again to step the setting item to Hour with the Hour digit flashing. 4. Press “+” / “-” key to adjust the value of the flashing digit. 5. Do the above operation in this sequence: 12/24 Hr > Hour > Minute > Second > Time difference. 6. Press and hold “DISPLAY SET” key for 3 seconds to save and exit the setting.
PAGE 4
The built-in barometer can notice atmosphere pressure changes. Based on the data collected, it can predict the weather conditions in the forthcoming 12-24 hours. 1. The accuracy of a general pressure-based weather forecast is about 70% to 75%. 2. The weather forecast is meant for the forthcoming 12-24 hours. It may not necessarily reflect the current situation. 1. The default displayed channel is channel 1. In normal mode, press “+CH” key to check the outdoor temperature from channel 1 to channel 3. 2.
PAGE 5
2. Ice Alert icon “ ” will disappear when outdoor temperature out of above temperature range. When the LCD becomes dim, replace with 2 AA size batteries at once; while if the low battery indicator “ ” displays in the outdoor window, it indicates that the battery power of the transmitter is not enough, and you should replace with 2 AA size batteries at once. 1. Everyday the unit will automatically search for the time signal at 2:00, 8:00, 14:00 and 20:00. 2.
PAGE 6
Remote sensor: 3V, use 2×AA 1.