ASSISTANT AH-1990 - Manual

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ULTRA-SLIM WEATHER STATION
Model AH-1990
thank you for purchasing the new generation
ultra slim weather station. Designed and engineered
with the state-of-art technology and components,
this instrument will provide accurate and reliable
measurement of weather forecast, indoor/outdoor
temperature & humidity as well as a daily alarm clock.
Read this manual carefully to fully explore the features
and functions of the new product.
1. NAMES AND FUNCTIONS OF THE BUTTONS
Button Press functions Hold 3 seconds
[SNOOZE] trigger snooze alarm set clock & calendar
[CHANNEL]
[CH] select channel 1,2,3, auto
scroll search for remote
sensor
[CLOCK ]
Read time, calendar and
pressure set clock, calendar
& pressure unit
[ALARM] [AL] Read alarm time; enable/
disable alarm alarm time setting
[MEMORY] Read max/min
temperatures clear memory
record
[ZONE/UP] toggle local time & Zone
time/1 step forward in
setting Zone time setting/
Fast advance
[DOWN] 1 step backward in setting Fast backward
[C˚/F˚] toggle degree c˚ & F˚ unit
2. BATTERY INSTALLATION
A. Home Receiver Unit
open the battery door, install 4 pieces of cR2032
batteries according to the polarity indicated, and close
the battery cover.
B. Remote Sensor
loosen the screws on the battery door with a small
screwdriver. insert 2 pieces of aaa batteries according
to the polarity indicated. Replace the cover and tighten
the screws.
3. SETTING UP THE WIRELESS
THERMO-HYGROMETER
- For the first installation, always turn on the home
unit and then the remote sensor. set channel 1 for the
first remote sensor. set channel 2 and channel 3 for the
2
nd and 3 rd sensor.
- Press and hold [CHANNEL] button on main unit until
a beep is sound to search for remote sensor.
- Press the [TX] button on the back of remote sensor
to transmit RF signal.
- when RF connection is established, the respective
temperature & humidity of the selected channel will
appear on the main unit.
4. WEATHER FORECAST
the unit predicts weather condition of the next 12–24
hours based on the change of atmospheric pressure. the
coverage area is around 30–50km. the weather forecast
is based on atmospheric pressure change and is about
70-75% correct. as weather conditions cannot be 100%
correctly forecasted, we cannot be responsible for any
loss caused by an incorrect forecast.
sunnY PaRtlY
clouDY clouDY RainY stoRmY
to view the barometric pressure measurement,
press [CLOCK ] repeatedly until the pressure reading
appears.
to change the pressure unit, hold [CLOCK ] to enter
setting mode. Press [CLOCK ] repeatedly to skip the
clock & calendar setting until the pressure unit flashes.
Press [UP] or [DOWN] to select. Press [CLOCK ] to
confirm and exit.
12/24hr format > Hr > min > Yr > D/m or m/D format >
month > Date > Pressure unit > eXit.
5. IN/OUT TEMPERATURE & HUMIDITY
Press [C˚/F˚] button to select temperature unit c˚/F˚.
Press [CHANNEL] button to select ch1, ch2, ch3 and
auto-channel scrolling display modes.
6. MAXIMUM/MINIMUM MEMORY
Press [MEMORY] button repeatedly to view the
maximum & minimum values of temperature & humidity
readings. to clear the memory record, hold [MEMORY]
button while the respective values are displaying on
screen.
7. CLOCK & CALENDAR
Press [CLOCK ] to toggle display between time,
calendar, day of the week & pressure reading.
Hold [CLOCK ] button to enter clock setting mode.
using [UP] or [DOWN] buttons to adjust and [CLOCK ]
to confirm, the following values can be set in sequence:
12/24hr format > Hr > min > Yr > D/m or m/D format >
month > Date > Pressure unit > eXit.
8. LOCAL TIME, ZONE TIME
Hold [ZONE] to enter world (zone) time setting
mode. Press [UP] or [DOWN] to enter the desired hour
OPERATION MANUAL
offset value from –12 to +12 hours. Press [CLOCK ] to
confirm and exit.
Press [ZONE] button to toggle between local time
and zone time. “Zone” icon appears when zone time is
selected. when zone time is not used, keep zone time
to “0”.
9. ALARM SETTING
Press [ALARM] to show alarm time and “al.” icon will
appear. Press again to enable or disable the alarm. Bell
icon “
” appears when alarm is enabled.
Hold [ALARM] to enter alarm time setting mode. Press
[UP] or [DOWN] to enter the desired Hr/ min values and
press [ALARM] to confirm setting.
10. SNOOZE
when alarm is going off, press [SNOOZE] to trigger
snooze alarm. to stop alarm for one day, press [ALARM]
key.
11. LOW BATTERY INDICATION
low battery indication is available for the home
unit itself and all of the 3 remote channels. Replace
the batteries and follow the setup procedure in this
instruction manual.
12. BATTERY DISPOSAL
Replace only with the same or equivalent type
recommended by the manufacturer.
Please disposal of old, defective batteries in an
environmentally friendly manner in accordance with the
relevant legislation.
13. SPECIFICATIONS
indoor temperature 0c˚ to +50c˚ (+32F˚ to +122F˚)
in/out Humidity
20%-99% RH
Remote sensor -20c˚ to +60c˚ (-4F˚ to +140F˚)
channel maximum 3 remote sensors
transmission up to 30m in open area, RF434 mHz
RF reception cycle around every 3 minutes
Resolution 0.1 degree c˚ for temperature, 1% for
humidity
Power cR2032x4 for main unit, aaax2 for remote
sensor