Hama EWS-870: g Operating Instruction

g Operating Instruction

Thank you for your purchase of this delicate

MAIN FEATURES

5. MEM/- key

TRANSMITTER:

Radio Controlled Clock. The utmost care has

- In normal mode, press it to check the max./

gone into the design and manufacture of your

MAIN UNIT:

min. indoor and outdoor temperature record

clock. Please read the instructions carefully and

for 5 seconds.

keep the manual well for future reference.

- Press and hold it for 3 seconds to delete the

max./min. temperature record.

GETTING STARTED

- In setting mode, press it to adjust the value

Before using the main unit and transmitter:

of the fl ashing digit downwards. And press it

1. Remove the battery door of the main unit and

without releasing to speed up the setting.

transmitter.

1. LED indicator

2. Install 2 new AA size batteries for both main

6. DISPLAY SET key

- Flashes when the remote unit transmitting a

unit and transmitter, according to the polarity

- In normal mode, press and hold it for 3

reading.

mark on the battery compartment.

1. LCD display

seconds to enter time setting mode.

2. CHANNEL slide switch

3. Replace the battery door.

- Display of the time, alarm time, outdoor &

- In time setting mode, press it to step the

- Assign the transmitter to Channel 1, 2 or 3.

4. After the batteries are installed, all LCD

indoor temperature.

setting item, and press and hold it for 3

segment will be shown.

seconds to save and exit the setting.

3. RESET key

5. Press the “RESET” key of main unit fi rst, and

2. SNOOZE / LIGHT key

- Press it to reset the transmitter.

press the “RESET” key of transmitter.

- Press it to turn on backlight for 5 seconds.

7. °C/°F slide switch

6. It will automatically receive 433 MHz signal

- When the alarm is sounding, press it to stop

- Select temperature unit between °C/°F.

4. Wall-mounting holder

from transmitter for channel test in 8 seconds.

the current alarm and activate snooze.

- Use it to support the transmitter on the wall.

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

8. SENSOR key

signal reception automatically.

3. ALARM SET key

- Press it to start 433 MHz channel test for main

5. Battery compartment

8. Radio Controlled function, the current time &

- Press it to display alarm time for 5 seconds.

unit & transmitter.

date automatically synchronized with the time

During alarm time displayed, press it to turn

- During the channel test, press and hold it for 3

SIGNAL STRENGTH INDICATOR

signal transmitted from Germany(DCF77).

on/off alarm function.

seconds to manual turn off.

The signal indicator fl ashing means time signals

- Press and hold it for 3 seconds to enter alarm

are being received. If the RC clock receives

Note:

setting mode.

9. RCC key

signal successfully, a sync-time symbol “

”

1. The unit can operate up to 3 remote

- In alarm setting mode, press it to step the

- Press it to manual receive RC signal.

appears on the LCD and the unit has already

transmitters.

setting item, and press it to save and exit the

- During the RC reception, press and hold it for 3

received the time signal. Otherwise, the signal

2. Position the unit and transmitter within the

setting.

seconds to turn off synchronisation

strength symbol will disappear from the LCD

effective transmission range: 50 meters in

display.

usual circumstances.

4. CH/+ key

10. RESET key

3. In some cases, you may not receive the

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

- In case of mal-function, press it by using a

Note:

signal immediately, you can reset the unit and

channel 3.

metal wire to reset all the values.

You may press “RCC” key to receive the time

transmitter again as described above.

- Press and hold it for 3 seconds to turn to

signal manually. The receive mode will be off

channel auto-change mode. Press it again to

11. Battery door

automatically after 6-16 minutes. Receive mode

return to normal mode.

consumes more battery power that may reduce

- In setting mode, press it to adjust the value

battery lifetime.

of the fl ashing digit upwards. And press it

without releasing to speed up the setting.

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DAYLIGHT SAVING TIME (DST)

2. Press and hold “+/CH” key for 3 seconds to

The clock has been programmed to automatically

turn to channel auto-change mode that the

switch when daylight saving time is in effect.

channels change automatically.

Your clock will display “DST” on the LCD during

3. Press “+/CH” key again to return to nomal

the summer.

Normal mode 12/24 Hr setting

Hour setting

mode.

Alarm time

Hour setting Minute setting

mode

TIME AND CALENDAR SETTING

If the clock does not receive the time signal

Note:

successfully, you can set the time manually. As

1. In alarm mode, the “AL” icon will display on

soon as the transmitter is received again, the

the LCD.

Channel 1 Channel 2 Channel 3

clock will automatically synchronize with the

2. The alarm function will turn on automatically

Minute setting

received time.

once you set the alarm time.

Note:

1. In normal mode, press and hold “DISPLAY

USING ALARM AND SNOOZE FUNCTION

In channel auto-change mode, channel and its

SET” key for 3 seconds until the Hour format

1. Set the desired alarm time as described in the

outdoor temperature changes automatically in

digit fl ashing.

above section.

every 4 second.

2. Press “+” / “-” key to select 12/24 hour format.

2. Or press “ALARM SET” key to display the

3. Press “DISPLAY SET” key again to step

Time zone

Second setting

alarm time, press it again to turn on alarm

READING INDOOR&OUTOOR TEMPERATURE

the setting item to Hour with the Hour digit

setting

function with the alarm icon “

” displayed on

RECORDS

fl ashing.

Note:

the LCD.

1. Push “°C/°F” switch to change the

4. Press “+” / “-” key to adjust the value of the

If your local time is different from the RC received

3. When clock reach the alarm time, alarm

temperature unit to Celsius or Fahrenheit.

fl ashing digit.

time, you can set the desired time zone. The

sound will start. Where, it can be stopped by

2. Press “CH/+” key to change the channels

5. Do the above operation in this sequence: 12/24

available time difference is from -23 hours to +23

following operation:

among 3 channels and check their

Hr > Hour > Minute > Second > Time zone.

hours. After setting the desired time difference,

a). Auto-stop after two minutes alarming if

temperature.

6. Press and hold “” key for 3 seconds to save

the clock will show the time that RC received

without any operation and it will re-alarm by

and exit the setting.

time plus/minus the time difference.

the next day.

Note:

b). By pressing “SNOOZE” key to enter snooze

1. Once the channel is assigned to one

ALARM TIME SETTING

that the alarm will sound again after 5 minutes.

transmitter, you can only change it by

1. In normal mode, press and hold “ALARM SET”

c). By pressing “ALARM SET” key to turn off the

removing the batteries or resetting the unit.

key for 3 seconds until the Hour digit fl ashing.

alarm function.

2. If no signals are received or the transmission

2. Press “+” / “-” key to adjust the value of the

is interfered, “---” will appear on the LCD.

fl ashing digit.

Note:

3. Relocate the clock or the transmitter in other

3. Press “ALARM SET” key again to step the

1. The snooze could be used continuously in 24

positions and make sure the transmission is

setting value to Minute with the Minute digit

hours.

within the effective range of 50 meters approx.

fl ashing.

2. During the snooze, the alarm icon will keep

4. After several trials in vain, please reset

4. Press “+” / “-” key to adjust the value of the

fl ashing.

the clock thoroughly. Try out where your

fl ashing digit.

multifunctional alarm clock receives the

5. Press “ALARM SET” key to save and exit the

VIEW THE CHANNEL

signals best.

setting.

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.

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CHECKING AND DELETING MAX./MIN.

Note:

RF transmission frequency: 433 MHz

TEMPERATURE REOCRDS

Attention! Please dispose of used unit

1. Press “MEM/-” key to check and keep the

or batteries in an ecologically safe

RF transmission range: Maximum 50 meters

maximum / minimum temperature record for 5

manner.

seconds.

No. of remote sensor: Up to 3 units

2. Press and hold the “MEM/-” key for 3

SUGGESTION

seconds to delete the maximum and minimum

1. Everyday the unit will automatically search for

Temperature sensing cycle:

temperature records.

the time signal at 2:00, 8:00, 14:00 and 20:00.

Around 60~64seconds

2. Always place the unit away from interfering

sources such as TV set, computer, etc.

POWER

3. Avoid placing the unit on or next to metal

Main unit: 3V, use 2xAA 1.5V battery

plate.

Current

Max. temperature Min.

4. Closed area such as airport, basement, tower

Remote sensor: 3V, use 2xAA 1.5V battery

temperature

temperature

block or factory is not recommended.

5. Do not start reception on a moving article such

DIMENTION

Note: Once you reset or re-install batteries for

as vehicle or train.

the main unit, all the value will be defaulted.

Main unit: 84(W)x100(H)x47(D)mm

ICE ALERT

Remote sensor: 65(W)x100(H)x35(D)mm

1. When the outdoor temperature within the

range of -2°C~3°C (28°F~37°F), the Ice Alert

SPECIFICATION

icon “

” will display on LCD & fl ashing

continuously.

MAIN UNIT

2. Ice Alert icon “

” will disappear when

Measurement range: -40.0~70.0°C

outdoor temperature out of above temperature

(-40.0~158.0°F)

range.

Recommended operating range: 0~45.0°C

(32.0~113.0°F)

Ice Alert icon

Resolution: 0.1°C/°F

Radio Controlled signal: DCF77

BATTERY REPLACEMENT

REMOTE SENSOR

When the LCD becomes dim, replace with

Measurement range: 40.0~70.0°C

2 AA size batteries at once; while if the low

(-40.0~158.0°F)

battery indicator “

” displays in the outdoor

window, it indicates that the battery power of the

Recommended operating range: 20.0~55.0°C

transmitter is not enough, and you should replace

(-4.0~131.0°F)

with 2 AA size batteries at once.

Resolution: 0.1°C/°F

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