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5. ALARM CLOCK

5.1 Introduction:

The WS-4800 allows you to program an alarm (wake-up) time.

You may also enable an ice alert for this wake-up function: when the outdoor temperature is below -3°C,

the alarm signal will sound 30 minutes before the time you've programmed.

5.2 Alarm time setup:

1. press and hold the

flashing

2. use / to set the hours, briefly press

3. use / to set the minutes and briefly press

5.3 Alarm function setup:

1. repeatedly press the

Only "AL" appears: the displayed time is the set alarm time, but the alarm itself is disabled

"AL" + " " appear: the alarm is enabled and the wake-up signal will sound at the set alarm time

"AL" + " " + " " appear: the ice alert is set

2. release the

status as mentioned above remains visible

5.4 Operation:

•

At the set moment of time, the alarm will sound for up to 120 seconds

•

Press the

button to stop the alarm signal beforehand OR press the SNOOZE/LIGHT button on top

of the indoor unit to enable the snooze function; the wake-up alarm will sound again after 5 minutes.

•

The alarm is repeated daily until you disable it according to the above instructions.

•

When you enable the ice alert and outside it's colder than -3°C, the wake-up signal will sound 30

minutes earlier than the alarm time you set. When it's warmer than -3°C outside, the alarm will sound

at the set time.

6. HISTORY

6.1 Introduction:

The indoor unit of the WS-4800 automatically saves all measurement data of the past 24 hours, allowing

you to check the trend of the last 24 hours at any time

6.2 To view the history:

1. press the HISTORY button to show the last saved measurement data in the display, while the upper

part of the display shows the time and date of the concerned measurement

2. repeatedly press the HISTORY button to scroll the memory

The history memory saves the data of the indoor and outdoor temperature and humidity, air pressure,

wind chill, wind speed and rainfall.

6.3 To delete the history:

Press and hold the HISTORY button for 10 seconds to erase all measurement data up until that

moment.

7. MAX-MIN ALARM

7.1 Introduction:

For the following measurements you can set an alarm for when a maximum or minimum threshold is

exceeded:

Indoor temperature

Indoor humidity

outdoor temperature min/max alarm

outdoor humidity

Rainfall

Wind speed

button at the rear of the indoor for 2 seconds until the hour display starts

button to check/enable/disable the alarm

button; after several seconds the actual time will be displayed again and the alarm

min/max alarm

max alarm (only the actual rainfall from 00:00am is considered)

max alarm

and the minute display starts flashing

to store your alarm time