Chung’s Electronic C8466B User manual

RADIO CONTROLLED CLOCK
WITH TEMPERATURE
Model: C8466B
USER MANUAL
Thank you for purchasing this delicate radio controlled clock with
temperature. Utmost care has gone into the design and manufacture
of the clock. This manual is used for DCF and MSF version. Please
read the instructions carefully according to the version you purchased
and keep the manual well for future reference.
MAIN FEATURES
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1. [ SNOOZE ] key
- Stop the current alarm when it is sounding and enter into snooze
mode.
2. [ REVERSE ] key
- Press it to reverse the projected data.
3. PROJECTOR
- Project the time and indoor/outdoor temperature ( switch
automatically between indoor and outdoor temperature in every
5 seconds. )
4. LCD display
5. [ TIME ] key
- Press it to switch between Month/Date and alarm time mode.
- Press and hold it for 2 seconds to enter normal time setting.
- In normal time setting, press it to step the setting mode.
6. [ ALARM ] key
- In normal time display, press it to turn on/off ALM 1 & ALM 2.
- In ALM 1 / ALM 2 mode, press it to turn on/off alarm and pre-
alarm function.
- Press it to stop the current alarm when the bell is ringing and
turn off the alarm and snooze function.
- In alarm time mode, press and hold it for 2 seconds to enter
alarm time setting.
- In alarm time setting, press it to step the setting mode.
7. [ UP ] key
- In setting mode, press it to increase the setting values.
8. [ 12/24 / DOWN ] key
- In setting mode, press it to decrease the setting values.
- In normal time mode, press it to switch among 12/24 hour format.
9. [ LOOP ] key
- Press the [ LOOP ] key to turn on or turn off the backlight
colour change .
10.[ RAINBOW ] key
- Turn off the LOOP function and press [ RAINBOW ] key ,
the backlight will change its colour in this sequence: white>
red>orange>yellow>green>cyan>blue>purple.
11.[ TUNE ] key
- Turn off the LOOP function and press [ TUNE ] key , the
backlight will display 256 colours.
12.FOCUS knob
- Adjust the quality of the projected data.
13.[ MAX/MIN ] key
- Press it to check the minimum and maximum temperature
records.
14.[ RCC ] key
- Press it to receive the RC signal for reception testing.
15.°C/°F key
- Press it to switch between Celsius and Fahrenheit.
16.[ RESET ] key
- Press it to reset all values to default values.
- In case of malfunction, the unit may be required to reset.
17.[ OFF / LO / HI ] slide switch
- Slide it to turn on/off the backlight function.
18.DC jack
19.Battery door
- Accommodates lithium battery CR2032 for back-up.
TEMPERATURE CLOCK
1. Plug the adaptor into the DC jack.
2. Press [ RESET ] key to re-start the clock.

RECEPTION OF RADIO CONTROLLED TIME SIGNAL
The time and date are radio-controlled. The current time and date
are automatically synchronized with the time signal transmitted from
Europe. When used for the  rst time ( pressing [ RESET ] key), the
clock will start to receive the RC signal in 20 seconds with the signal
strength indicator  ashing.
SIGNAL STRENGTH INDICATOR
The signal indicator displays signal strength in 4 levels. Wave
segment  ashing means time signals are being received. The signal
quality could be classi ed into four types:
No signal quality Weak signal quality
Acceptable signal quality Excellent signal quality
NOTE:
1. Everyday the unit will automatically search for the time signal at
2:00am , 8:00am, 2:00pm and 8:00pm.
2. Always place the unit away from interfering sources such as TV
set, computer, etc.
3. Avoid placing the unit on or next to metal plate.
4. Closed area such as airport, basement, tower block or factory is
not recommended.
5. Do not start reception on a moving article such as vehicle or train.
MANUAL TIME SETTING
If you are out of the reach of the Radio Controlled Transmitter or
if the reception is not reachable, the time can be set manually. As
soon as the transmitter is received again, the clock will automatically
synchronize with received time.
1. In normal time mode, press and hold [ TIME ] key for 2 seconds to
enter the year setting.
2. Press [ UP ] or [ 12/24 / DOWN ] key to set the desired value.
3. Press [ TIME ] key again, Month digit  ashes, press [ UP ] or
[ 12/24 / DOWN ] key to change its value.
4. Repeat the above operation to set the time in this order: Year >
Month > Date >Hour > Minute > Second > Language .
5. Press [ TIME ] key to save and exit the setting or let it exit
automatically 30 seconds later without pressing any key.
ALARM AND SNOOZE SETTING
1. In normal time mode, press [ TIME ] key to select the ALM 1 or
ALM 2.
2. In ALM 1/ALM 2 mode, press and hold [ ALARM ] key for 2 seconds
until alarm Hour digit  ashes.
3. Press [ UP ] or [ 12/24 / DOWN ] key to change the value.
4. Repeat the above operations to set time in this order: Hour >
Minute
5. Press [ ALARM ] key to save and exit the setting, or let it exit
automatically 30 seconds later without pressing any key.
NOTE:
1. The alarm will be automatically turned on when you set the alarm time
with the icon “ ” or “ ” displayed.
2. The dual-alarm (ALM 1&ALM 2) design of this unit will provide you
with more convenience, and you can set two-alarm time if needed.
USING ALARM FUNCTION
1. Set the alarm time as described in the previous section.
2. In normal time mode,press [ ALARM ] key once to turn on ALM 1,
press it twice to turn on ALM 2, press it thrice to turn on both ALM
1 and ALM 2, with the bell icons display on the LCD. Press it again
to turn off both ALM1 and ALM2, with the icons disappearing.
NOTE:
1. If no key is pressed during the alarm period, the alarm will turn
off automatically. Alarm beeping lasts for 2 minutes.
2. Press [ SNOOZE ] button to stop the current alarm and enter
snooze. Alarm icon will be  ashing continuously. The alarm will
sound again in 5 minutes. Snooze can be operated continuously in
24 hours.
3. Press [ ALARM ] button to turn off alarm function.
COLOUR CHANGE DISPLAY
1. Press [ LOOP ] key to turn on or turn off the backlight colour change.
2. Turn off the loop function and press [ RAINBOW ] key, the
backlight will change its colour in this sequence: white>red>orange
>yellow>green>cyan>blue>purple.
3. Turn off the loop function and press [ TUNE ] key, the backlight
will display 256 colours.
CHECKING AND DELETING MAX/MIN TEMPERATURE RECORDS
1. Press [ MAX/MIN ] key once to check the maximum temperature
records. Press it twice to check the minimum records. Press it
again to exit.
2. Press and hold [ MAX/MIN ] key for 3 seconds to delete the
maximum and minimum temperature records, with “beep” tone.
MAX temperature record MIN temperature record
USING THE PROJECTOR
Plug the DC jack to turn the projector on, rotate the projector to project the
light beam to a dark background within 1-4 meters, the projected data will
be displayed on the dark background as following diagram.
NOTE:
1. If using DC power, the projected data will be always on.
2. Press the [ ] key will reverse the projected data. The rotate
angle of the projector is ±90º.
3. Adjust the quality of the projected data by adjusting the FOCUS
knob.
SPECIFICATION
Operating temprature range: -5°C~50°C ( 23° F~122°F )
Resolution: 1°C/°F (below -10°C/14°F)
Radio controlled signal: DCF/MSF version
Power: AC / DC adapter 4.5V, 300 mA
Back-up battery: lithium battery CR2032
Dimension: 163(W) x 80(H) x 56(D) mm