Alecto WS-4900 User Manual - Page 15

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6.4 Operation:

•

At the set 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 symbol will flash and the wake-alarm will then sound

again after 5 minutes

•

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

•

If you've enabled the frost alert and the outdoor temperature falls below -3°C, the wake-up signal will

sound 30 minutes earlier than the time you've set. If the outdoor temperature is above -3°C, the alarm

will sound at the set time.

7. RELATIVE AIR PRESSURE

7.1 Introduction:

If you're living in an area considerably higher than sea level, you'll experience a lower air pressure. To have

the device calculate the weather forecast accurately, you must correct the air pressure for this altitude.

7.2 To set the relative air pressure:

1. Refer to the internet or your local authorities for information regarding your local air pressure

2. If the barometer data is not shown in the display, first briefly press the

3. Then make sure the correct notation hPa, inHg or mmHg is used by briefly and repeatedly pressing the

button

4. Press and hold the

ing

5. Use / to ensure 'REL' (relative) is flashing

6. Briefly press

7. Use / to correct the display according to the information obtained via the internet or from your local

authorities

8. Briefly press

8. MAINTENANCE

8.1 Rain meter:

You may dismantle the rain meter as follows to remove any spiders or other insects:

1. Loosen the upper ring of the rain water collector by rotating it 30° anti-clockwise until the star symbol at

the bottom of the funnel is in the "Unlock" position.

You may now remove this ring to have access to

the interior of the rain meter.

2. Use a soft brush with long bristles to clean the rain

meter.

3. Replace the ring onto the rain meter and fasten

it by rotating it clockwise until the star sign at the

bottom of the funnel is in the "Lock" position

8.2 Outdoor temperature and humidity sensor:

1. Refer to the illustration and remove the wind guides from the outdoor

unit.

2. Blow into the holder containing the temperature and humidity sensor

until clean and use a soft brush with long bristles to clean the wind

guides. DO NOT USE WATER.

3. Replace and fasten the wind guides.

button for approx. 2 seconds until 'ABS' (absolute) or 'REL' (relative) starts flash-

, the air pressure display starts flashing

to save the air pressure value

button

"Lock"

"Unlock"