Mandolyn Electronic Technology WS290C Users Manual

OWNERS
MANUAL

Congratulations on your purchase of this
weather station set, WS290C + WT260H.
Please take the time to read and
understand this manual so you can begin
to enjoy the convenience and features this
product has to offer.

FEATURES

Main Display Unit WS290C:
* dual clock and dual alarm
* calendar (month/day/date)
* local temperature display
* receives and displays temperature and

humidity readings from up to 3 remote
transmitter via RF technology of 433MHz

* minimum and maximum temperature and

humidity display
* temperature and humidity trend indicator
* temperature history (bar graph for past 12

hours)
* weather report symbols
* user-selectable C or F

* table stand or wall mountable
* battery type: 2 x AA

Remote Transmitter WT260H
* drip-proof design with LCD
* temperature display in user-selectable C

or F
* humidity display
* transmission range: up to 40 meters in

open area
* table stand or wall mountable
* battery type: 2 x AAA

WS290C + WT260H

Wireless Weather Station

WS290C receiver

WT260H remote transmitter

GETTING STARTED

MODE/SNOOZE: scrolls through Clock 1 & 2,

Alarm 1&2, Date and Temperature Alarm mode;

1

snooze for alarm

HOUR/MONTH/MAX/+: shows maximum

2

temperature; adjusts clock, alarm, date
and temperature alarm values

MIN/Day/MIN/- : shows minimum

3

temperature; adjusts clock, alarm, date
and temperature alarm values

ON/OFF (C/F) toggles between C and F, 12 and
24 hour format; Alarm 1&2 on and off, and bar

4

graph indoor and outdoor channels; scrolls
through temperature alarm settings (off/high/low)

CHN/ WEEKDAY: scrolls through local and remote

5

channels (1 to 3); adjusts time and date values

Table Stand

6

SET: change House Code, Channel value and select C/F

7

RESET: Reset Channel & House Code

8

Battery Compartment

9

LCD display

10

button placement

1

2

3

9

4

5

6

10

7

T
E

S
E

R

8

T

E
S

9

GETTING STARTED

remove battery cover

1

2 AA size batteries (WS290C)

2

2 AAA size batteries (RT201H)

3

(included)
Insert between terminals observing

4

proper polarity then replace cover

LOW BATTERY INDICATION: Low battery indicator on receiver will flash continuously
when batteries need to be changed. On transmitter, Lo bat will be displayed

battery installation

T

E
S

E
R

setting up transmitters

Press RESET to start setup

1

House code will flash for 10 seconds

2

Select House code (1-15) by pressing SET

3

Transmitters for each receiver must be set to the
same House code.

Channel will flash for 10 seconds

4

Select Channel(1-3) by pressing SET

5

* Use a different house code if your weather station receives the other transmitter of
your neighbourhood.
* If House code and Channel code are not selected (steps 3 & 5 are skipped), House
code 01 and Channel code 1 are default.

2

3 5

4

T

E
S

E
R

T

E
S

SETUP

Automatic Learn Function:

Learn function executes automatically and runs for approximately 3

1

minutes when batteries are first installed in the receiver.

Within these 3 minutes, receiver picks up the temperature &

2

humidity signals from remote sensor and display the reading.

T

E
S

1

Manual-Learn (Search Remote Signals):

If a new remote sensor is added or if signal is lost (outdoor display
blinking), learn function must be executed again.

Pressing and holding CHN for

1

3

3 seconds to start

Beep sound indicates that

4

learn function has started

'Channel' symbol will flash and

5

unit will beep as each remote
sensor is detected
Temperature & humidity readings of remote

6

transmitter displays on the receiver.

Synchronization

2

28.6 C

6

Synchronised!!!

4

5

3

CLOCK SETTING

Clock 1 Setting:

Press and hold MODE for 3 seconds to enter the clock setting mode

1

(the CLOCK 1 symbol appears and the time will flash)

Press HOUR to set the hour and MIN to set the minute;

2

Press ON/OFF during clock setting, to change between 12 and 24 hour

3

display. This also will end the clock setting.

Press MODE or no key pressed for 1 minute will finish the clock setting.

4

Clock 2 Setting:

Scroll to CLOCK 2 mode using MODE

5

Press + or - key to change the hour

6

(in one hour increments/decrements
relative to Clock 1)

Clock 1 Setting

Clock 2 Setting

1

2 6

3

DATE & ALARM SETTING

Calendar Setting:

1

Scroll to Date mode using MODE/SNOOZE

2

Press HOUR/+/MAX to set month
Press MIN/-/MIN to set date

3

Press CHN to set day

4

Calendar Setting

Alarm 1and Alarm 2 Setting

1

Scroll to ALARM1 mode (ALARM2 mode)
using MODE/SNOOZE
Press HOUR/+/MAX to set hour

2

Press MIN/-/MIN to set minute

3

Press ON/OFF to toggle alarm on and off

4

When the alarm is set ON, the 'on' symbol will appear

5

5

When Alarm Sounds

4

5

ALARM 1 or ALARM 2 will flash

1

The Crescendo alarm will initially have a gentle sound.

2

The loudness will increase gradually.
Press SNOOZE key will snooze the alarm for 5 minutes.

3

After that the alarm will sound again.
Press ANY other key will shut off the alarm.

4

Without interruption, alarm will turn off

5

automatically after one minute.

1

2

3

4

1

2
3

4

2

3

4

1

WEATHER DISPLAY

Check Local Temperature

Local Temperature displays instantly
after batteries are inserted.

*

Check Remote Temperature & Humidity

Press CHN key to display and toggle the

A

readings of temperature and humidity among
the Channel 1, 2 and 3 displays. Temperature

and humidity data will alternate

C or F Temperature Display

Toggle between C and F by pressing

B

ON/OFF in either CLOCK1 or CLOCK2 mode.

Min and Max Temperature & Humidity

Press MIN in Clock1 mode to display

C

minimum temperature and humidity

Press MAX in Clock1 mode to display

D

maximum temperature and humidity

Historical Temperature Bar Graph

The bar graph lets you see the temperature

E

trend over a period of 12 hours in 3-hour intervals.
Toggle between indoor and outdoor bar graphs
using ON/OFF in Date mode.

*

D

C
B

A

Note:

Min/Max readings are
automatically cleared
daily at 00:00

E

WEATHER DISPLAY

temperature & humidity trend

The trend indicator shows the trend of temperature and humidity
determined by the particular transmitter in the past half-hour interval.

Arrow Indicator

Trend

Rising

Steady

weather report symbols

The receiver is able to monitor and display the weather status based on
collected data from Channel 1.

Sunny

Weather
Indicator

About Freeze Warning

* Snow symbol will flash to warn of 'freezing'.
* Activated when Channel 1's temperature is between -1.9 C and +2.9 C
* Snow will appear solid if and when Channel 1's temperature falls below -1.9 C.

Note:

* Initially, the weather will be cloudy
* Remote transmitter Channel 1 will be used for weather indication.
* If Channel 1 is empty, then weather will always be cloudy.
* If Channel 1 has no humidity data, weather indication will always be
cloudy, but freeze warning and snow indication will be available.

OR

Cloudy

Raining

Snowing

Falling

Freeze
Warning

<flashing snow>

TEMPERATURE ALARM

You can set temperature alarm for local main

*

unit and for one outdoor channel seperately.

Scroll to Temperature Alarm mode using MODE

1

Indoor temperature will flash

2

Use ON/OFF key to select temperature alarm mode:

3

- Up arrow: Upper temperature limit

- Down arrow: Lower temperature limit

- Without arrow: Temperature alarm disabled

Press + or - key to set the value of temperature limit

4

Use CHN key to select desired remote channel (1, 2

5

or 3) for temperature alarm. Only one channel can be
selected. Repeat the step 3 & 4 for setting remote
channel temperature alarm.

When Temperature Alarm Sounds

It is to alert the real temperature exceeds the preset temperature limit.

*

a

Press any key to stop temperature alarm; or
If no key is pressed, the temperature alarm will automatically stop

b

itself after one minute.

c

Once triggered, temperature alarm comes on as a distinctive
sound, different to that of ALARM1 and ALARM2.
Also, the 'siren' symbol will flash.

d

4

Setting

d

2

1

4
3

5

TROUBLESHOOTING

problem

The temperature measurement of

i

remote transmitter and receiver does
not match

Temperature reading of the outdoor

ii

remote transmitter seems too high.

Receiver is no longer receiving

iii

remote transmitter signals or display

SPECIFICATIONS

Weather Station Receiver WS290C

- Battery Type: 2 X 1.5V AA batteries

- Operation Temp:

- Temp. Range:

- Measurement Accuracy: Max. +/- 1 C
within measuring range of 0 to 40 C
Resolution: 0.1C

-

-5 C to +50 C

-20 C to +55 C

solution

Re-synchronize receiver by holding CHN for 3

i

seconds until a beep is heard.

Ensure the remote transmitter is out of direct

ii

sunlight, and away from sources of heat.

- Repeat the learning procedures.

iii

- Temperature may be below -30

- Batteries in remote may need changing.

- Move remote closer to the receiver.

- Make sure remote is away from sources
of electrical disturbance.

Weather Station Transmitter WT260H

- Battery Type: 2 X 1.5V AAA batteries

Operation Temp.: -20 C to +60 C

-

- C to +70C

Temp. Range: -30

- Temperature Resolution: 0.1 C for above -10 C /
1 C for below -10 C

- Measurement Accuracy: Max. +/- 1 C within
measuring range of 0 to 40 C

- Humidity Range: 25% to 90% RH (resolution 0.5%)

- Transmission Frequency: 433.92 MHz

- Transmission Range: up to 40 meters in open area

transmitter

transmitter

transmitter

C.

NOTICE

This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Warning:

Changes or modifications made to this equipment not expressly approved by
the manufacturer may void the FCC authorization to operate this equipment.