RF Wireless Thermometer 683F03
We greatly appreciate on purchasing our new RF Wireless Thermometer. Engineered and designed with the
latest wireless technology and digital electronics, this device displays the indoor temperature and outside
temperature at up to 3 remote sensors in different locations. It also includes a digital clock with backlight and
a programmable audible alarm.
To ensure proper operation, please read this Instruction manual carefully and keep for future reference.
Battery Installation for your Receiving Unit
This device is designed for easy set up. Anyway, the following steps are required to be done in the proper
sequence. Please insert batteries for receiving unit before doing so for the remote units.
1. Remove the stand (if it is in place) by rotating the rear edge down, press and slide open the battery cover.
2. Insert 2 pcs of AA size batteries with matching (+) and (-) polarity marks on battery compartment. Close
the battery cover and install the stand back.
3. (---) dash icon will flash at upper part of the LCD, wait and ready to register with the remote sensor(s)
signal.
For your Wireless Remote Sensor registration procedure
1. Lift off the bracket stand by releasing the bottom two fixing snaps.
2. Use a small Phillips screwdriver to remove the screw on the battery cover.
3. Then insert 2pcs of AAA size batteries according to polarity marks on the battery compartment.
4. Once the batteries are inserted, the sensor will be automatically transmit temperature reading at 30 seconds
intervals to the receiving unit. Or use the tip of a ball pen or etc. to press & hold “TX” button for 2
seconds to send the signal to the receiving unit.
5. The upper part of LCD of the receiving unit will show remote channel 1 and the temperature reading.
6. After registration complete for sensor 1, put the rubber seal into the cover groove, close the battery cover
tighten the screws, and snap on the bracket stand. Follow the same procedure to register remot sensor 2
and 3.
Note
After you have placed the sensor in the remote location, observe the receiving unit channel display for that
sensor after 8 minutes. If the (---) dash icon appears and flashes to indicate the signal interruption, rotate the
sensor in 45° steps and wait at least 3 minutes. If no display, move the remote sensor closer to the receiving
unit or repositioning of both receiving unit and remote sensor until reception is observed.
Remote Channel Auto Scroll
This devise is equipped with auto scroll “ ” function that when 2 or 3 units of remote sensors are active, it
will automatically cycle through the remote channels 1 to 3.
1. To enable auto scroll function, use “CHANNEL” button to select channel 1, 2, 3 or auto scroll.
2. To retrieve manually the specific remote sensor temperature reading, press the “CHANNEL” button until
desired channel is displayed.
Using 6 feet cords Temperature Probe (optional)
Your wireless thermometer is equipped with a 6 feet cord temperature probe for measuring water, soil, freezer
or etc. To use this probe,
• Open the rubber cover of the hole at the side of the remote sensor and insert the probe plug.
(The probe is now active.)
• If the outside temperature is extremely low (below 10°C) extend the 6 feet probe cord, leave probe sensor
outside, and keep the remote sensor unit inside to avoid freezing up the battery.
• The temperature readings will be displaying the remote channel matched to the remote sensor location
where the probe has been inserted.
Maximum and Minimum Temperature Memory
This device records and displays max./min temperature readings to the receiver and remote sensor
locations. (The max./min. readings will be only shown for the channel and the indoor (local temp.) actually
on display).
• To read max./min. records for 5 seconds press “MIN/MAX” button.
• Erase all the max./min. records displayed on screen, press “CLEAR/ ” button.
Setting the Clock
1. To et the clock manually, press & hold “MODE” button for 2 seconds. 12 or 24 hr. is blinking.
2. Use the “+” or “-” button to select 12/24 hr. and then press “MODE” button to confirm.
3. The hour digits will blink. Using “+” or “-” button to set required time (each press the button will
increase and decrease the digits by one. Holding the button will cause the setting to change rapidly).
4. Press “MODE” button again to confirm. The minutes will blink. Repeat the same procedure to enter
minutes, offset, year, month and date.
Dual Daily Alarm
1. To starting setting time alarm Press & hold “CLEAR/ ” button for 2 seconds. The bell icon will flash.
2. Using “+” or “-” button to select bell icon or . Pressing “CLEAR/ ” button to confirm.
3. The hour digits will blink. Using “+” or “-” button to set desired hour. Press “CLEAR/ ” button to confirm.
4. The minute digits will blink. Follow the same procedure to enter minute.
5. Also follow the same procedure (1 to 4) to set alarm 2.
The selected bell “ ” icon for the alarm will displayed indicating that the alarm above is now activated.
When the alarm beeps, press “SNOOZE/LIGHT” button to temporarily paused the alarm for 8 minutes.
The bell “ ” icon and snooze “SNZ” icon will flashing. Press any button to stop the alarm.
6. Press “CLEAR/ ” button to read alarm time for 5 seconds.
7. To enable or disable the alarm function, press “ ON/OFF” button.
SNOOZE/LIGHT button
• Press the button once for a 5 second extended backlight.
• When the alarm beeps, press the button to temporarily paused the alarm for 8 minutes.
TX / HOLD RESETTX / HOLD RESET
Remote Sensor
Without LCD display
Remote Sensor
Without LCD display With LCD displayWith LCD display Detachable probe (optional)Detachable probe (optional
