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IN/OUT Wireless Thermometer
Item No.T208688
User Manual
Thank you for purchasing T208688 IN/OUT Wireless thermometer.
Please take a moment to read this guide and store it for future reference
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Controls and displays:
1.Time display
2.Calendar
3.In/Outdoor max/min temperature and humidity
4.Outdoor temperature
5.Indoor temperature
6.Display low battery indicator
7.Alarm icon
8.Channel for external sensor
9.Outdoor sensor signal strength
10.Outdoor humidity
11.Indoor humidity
12.Tendency indoor humidity
13.SET button
14.DOWN/MEM button
15.UP/C/F button
16.ALARM button
17.CH button
18.SNZ/LIGHT button
19.Wall mount hole
20.Battery Compartment 2xAAA (batteries not included)
21.Stand bracket
22.Wireless signal indicator(Flashes when data is being sent to the
display unit)
23.Integrated hang hole
24.Compartment 2xAAA batteries (batteries not included)
25.TX channel selector, select external sensor channel (Maximum 3
channels available)
Package Contents:
1. Display Unit
2. Outdoor Sensor
3. Instructions Manual
Installing or Replacing Batteries:
We recommend using high quality batteries for the best product
performance. Heavy duty or rechargeable batteries are not
recommended. The outdoor sensor requires lithium batteries in low
temperature conditions. Cold temperatures can cause alkaline
batteries to function improperly.Do not mix old and new batteries. Do
not mix alkaline, standard, and/or rechargeable batteries.
Default settings:
1.Default time: 12:00(US) 0:00(EU)
2. Default date: 01/01 (Year: 2020, date form: M/D[US],date form:
D/M[EU])
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3. Default temperature: °F(US)/ °C(EU)
4. Default alarm: AM 6:00, default snooze time: 5min.
The LCD display fully for 3 seconds when changing new battery or
resetting, then with a sound BI into the normal state, after testing
temperature, receiving RF for 3 minutes.
Display / Keys Details:
There are totally 6 keys for the alarm clock, they are included: SET,
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DOWN/MEM, UP/C/F, ALARM,CH ,SNZ/LIGHT.
1.SET buttons:
a. Press and hold for 3 seconds during normal mode to enter setting
mode.
b. Press SET button during normal mode to enter alarm mode.
2. DOWN button:
a. Decrease the current setting value.
b. In normal display mode, press this button to check the max/min
temperature and humidity values.
c.Press and hold this button to clear the max/min temperature and
humidity values.
3.UP button:
a. Increase the current setting value.
b. In normal display mode, press this button to switch between
Celsius and Fahrenheit.
4.ALARM button:
Open and close the alarm.
5.CH button
a Press this button to select the channel.
b. In normal display mode, press and hold to search RF.
6.SNZ/LIGHT button
a. Press this button to open backlight for 10 seconds .
b. Press to activate the snooze function when alarming.
Manually Setting the Time, Date & Units:
Press and hold down the "SET" button for 3 seconds the 12/24 hour
mode starts to flash, use "UP/C/F" and "DOWN/MEM" buttons to set
the correct 12/24 hour mode.
Press "SET" button to confirm your setting, the hour display starts to
flash, use "UP/C/F" or "DOWN/MEM" buttons to set the correct hour.
Press "SET" button to confirm your setting, the minute display starts
to flash, use "UP/C/F" or "DOWN/MEM" buttons to set the correct minute.
Press "SET" button to confirm your setting, the year display starts to
flash, use "UP/C/F" or "DOWN/MEM" buttons to set the correct year.
Press "SET" button to confirm your setting, the month display starts to
flash, use "UP/C/F" or "DOWN/MEM" buttons to set the correct month.
Press "SET" button to confirm your setting, the date display starts to
flash, use "UP/C/F" or "DOWN/MEM" buttons to set the correct date.
NOTE: You will automatically exit settings mode if no buttons
are pressed for 20 seconds. Enter settings mode again at any
time by pressing and holding the SET button for 3 seconds.
Under normal mode, press SET button to enter alarm mode.
Setting the Alarm:
a. Press SET button to enter alarm mode, press and hold the SET
button for about 3 seconds to set the alarm time. The alarm hour will
begin blinking on the display where the clock time is usually shown.
b. To adjust the alarm hour, press the "UP/C/F" or "DOWN/MEM"
buttons (press and hold to fast adjust).
c. To adjust the alarm minute, press the "UP/C/F" or "DOWN/MEM"
button (press and hold to fast adjust).
d.Press ALARM button to open and close alarm setting.The "
symbol should show next to the clock display when alarm is set to ON.
e. When the alarm is in operation it will begin beeping with
one short beep and continue with many short beeps if the alarm
rings longer than 20 seconds. You can snooze the
alarm for 5 minutes by pressing the SNZ/LIGHT button.
Indoor / outdoor temperature and humidity:
1. Indoor temperature -9°C ~50°C , display LL.L when below
-9°C and display HH.H when higher than 50°C.
2. Outdoor temperature -40°C ~ 70°C, display LL.L when below
-40°C and display HH.H when higher than 70°C.
3. Indoor and outdoor humidity range: 20%-95%
4. When alarm ringing, temperature and humidity test will be stopped.
Accuracy:
1. Temperature accuracy:
-40°C ~ -20°C: ± 4°C
-20°C ~ 0°C: ± 2°C
0°C ~ +50°C: ±1°C
Note: when the temperature in 50°C ~ 70°C range, the
temperature is only for reference.
2. Humidity accuracy: +/- 5 % RH (@25°C , 30%RH to 50%RH);
+/- 10 % RH (@25°C , 20%RH to 29%RH, 51%RH to 95%RH)
BackLight:
Press the SNZ / LIGHT button to active the backlight for 5 seconds.
Low Battery Indicator:
If the low battery indicator is displayed on the LCD for either the
outdoor sensor or the display unit, immediately change the batteries
to prevent disruptions in communications of the devices.
Setting the Channel:
Setting the channel connection between the display unit and
outdoor sensor:
a. To change the channel on the display unit between 1, 2, 3 &1-3
sequential display, press the "CH" button. The channel setting will
display on the above of the outdoor temperature.
b. To change the channel option on the outdoor sensor open the
battery compartment cover, on the upper left side is a button.
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Summary of Contents for Geevon T208688
- Page 1 “UP/C/F” or “DOWN/MEM” buttons to set the correct year. Press "SET" button to confirm your setting, the month display starts to Thank you for purchasing T208688 IN/OUT Wireless thermometer. Package Contents: Please take a moment to read this guide and store it for future reference flash, use “UP/C/F”...
- Page 2 The outdoor sensor requires lithium batteries in low maximum strength (4 bars) (3) try placing the outdoor sensor or temperature conditions. Cold temperatures would If your Geevon product does not operate properly after trying the display unit elsewhere for better connection. cause alkaline batteries work improperly.
- Page 3 FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
Need help?
Do you have a question about the T208688 and is the answer not in the manual?
Questions and answers
HOW DO SET UP OUTDOOR THERMOMETER
To set up the Geevon T208688 outdoor thermometer:
1. Install Batteries: Insert 2xAAA batteries into the display unit (not included). Use high-quality non-rechargeable batteries. For the outdoor sensor, use lithium batteries in cold conditions.
2. Power On and Sync: Place the outdoor sensor within range (at least 3 ft/1m away from electronics). The display unit will search for the outdoor sensor's RF signal. The signal strength bars indicate the connection status.
3. Set Date and Time:
- Press and hold the "SET" button for 3 seconds to enter settings mode.
- Use the “UP/C/F” or “DOWN/MEM” buttons to adjust the year, month, date, hour, and minute.
- Press "SET" to confirm each setting.
- If no buttons are pressed for 20 seconds, the settings mode will exit automatically.
4. Select TX Channel (if using multiple sensors): Use the TX channel selector to choose the external sensor channel (up to 3 available).
5. Check Connection: Ensure the display shows the outdoor temperature and humidity. If the RF signal is lost, the temperature and humidity will flash after 1 hour. Try repositioning the sensor or display unit if the signal is weak.
Your thermometer is now set up and ready for use.
This answer is automatically generated
SETTING OUTDOOR THERMOMETER
To set up the Geevon T208688 outdoor thermometer, follow these steps:
1. Install Batteries:
- Insert 2xAAA batteries into the display unit (not included).
- Use lithium batteries for the outdoor sensor in low temperatures. Avoid mixing old and new batteries.
2. Position the Units:
- Place the outdoor sensor at least 3 ft (1m) away from electronics that may interfere with the signal (e.g., TV, microwave, radio, computer).
- Ensure the display unit is within range of the sensor for a strong RF (Radio Frequency) connection.
3. Sync the Sensor:
- The display unit will search for the RF signal from the outdoor sensor.
- If the signal strength is weak (less than 4 bars), try repositioning the sensor or display unit for better connection.
4. Set the Date and Time:
- Press and hold the "SET" button for 3 seconds to enter settings mode.
- Use the "UP/C/F" or "DOWN/MEM" buttons to adjust the minutes, then press "SET" to confirm.
- Repeat for the year, month, and date.
5. Select TX Channel (if multiple sensors are used):
- Use the TX channel selector to choose an external sensor channel (up to 3 available).
6. Check and Adjust Temperature and Humidity Display:
- The indoor temperature range is -9°C to 50°C.
- The outdoor temperature range is -40°C to 70°C.
- Indoor and outdoor humidity range: 20%-95%.
- Press "DOWN/MEM" to view max/min temperature and humidity readings.
- Hold "DOWN/MEM" to reset max/min values.
7. Exit Settings Mode:
- The device will automatically exit settings mode if no buttons are pressed for 20 seconds.
- You can re-enter settings mode anytime by pressing and holding "SET."
Now, the thermometer is set up and ready to use.
This answer is automatically generated
outside temperature is not registerine
The outside temperature may not be registering on the Geevon T208688 due to the following reasons:
1. RF Signal Loss: If the RF (Radio Frequency) signal from the outdoor sensor is lost and not reconnected, the outdoor temperature will begin to flash after 1 hour. Try repositioning the outdoor sensor or display unit to improve the connection.
2. Interference from Electronics: The display unit should be placed at least 3 feet (1 meter) away from electronics like TVs, microwaves, computers, and radios that may interfere with the wireless communication.
3. Battery Issues:
- Ensure the outdoor sensor has lithium batteries if operating in low temperatures, as alkaline batteries may not function properly in cold conditions.
- Do not mix old and new batteries.
- Do not use heavy-duty or rechargeable batteries.
4. Extreme Conditions: The outdoor sensor should not be exposed to extreme force, shock, or temperature fluctuations, which could affect its performance.
If the issue persists after checking these factors, contact the seller for further assistance.
This answer is automatically generated
The clock is automatic?
No, the Geevon T208688 clock is not fully automatic. Users need to manually set the time, date, and other settings using the buttons on the device.
This answer is automatically generated
I have the T208688 thermometer, everything works fine but when I press the SNZ/light button the light doesn’t come on. The temperature is showing fine. Do you have any suggestions please?
The light on the Geevon T208688 thermometer may not be turning on when pressing the SNZ/LIGHT button due to the following possible reasons:
1. Batteries Not Installed or Drained – The thermometer requires 2xAAA batteries, which are not included. Ensure fresh, high-quality batteries are installed.
2. Incorrect Battery Installation – Check if the batteries are inserted correctly, following the correct polarity (+/-).
3. Old and New Batteries Mixed – Mixing old and new batteries may cause power issues. Use two new batteries of the same type.
4. Device Malfunction – If the batteries are correctly installed and new, try removing and reinserting them to reset the device.
5. Button Malfunction – If other buttons work but the SNZ/LIGHT button does not, the button may be defective.
If the issue persists, replacing the batteries or resetting the device may help.
This answer is automatically generated
Outside unit doesn't connect to inside unit, was working and i have changed batteries.
The Geevon T208688 outside unit may not be connecting to the inside unit after changing batteries due to the following reasons:
1. RF Signal Interference: The display unit should be placed at least 3 feet (1 meter) away from electronics like TVs, microwaves, and computers that may interfere with the RF signal.
2. Battery Type Issue: The outdoor sensor requires lithium batteries in low-temperature conditions. Using alkaline or rechargeable batteries may cause connection issues.
3. Signal Strength: If the signal strength bars are weak or missing, try repositioning either the outdoor sensor or the display unit to improve the connection.
4. Lost Signal: If the RF signal was lost and not reconnected, the outdoor temperature and humidity display will flash after 1 hour. In this case, re-pair the units by following the setup instructions.
If the issue persists after troubleshooting, contacting the seller may be necessary.
This answer is automatically generated
I have 10 units. Is there one outside unit that I can put in if it’s under 200 feet
No, the Geevon T208688 supports a maximum of 3 outdoor sensor channels. You cannot use one outdoor sensor for 10 display units.
This answer is automatically generated
i have the wireless #228646 thermometer, the indoor humidity sensor always reads 20% have to i fix this?
The indoor humidity sensor on the Geevon wireless thermometer model T208688 has a range of 20% to 95%. If it always reads 20%, try the following steps:
1. Check Battery Quality – Use high-quality, non-rechargeable batteries to ensure proper operation.
2. Replace Batteries – Remove old batteries and insert new ones, ensuring they are not mixed with old batteries.
3. Reset the Device – Remove the batteries for a few minutes, then reinstall them to reset the system.
4. Avoid Interference – Keep the unit away from electronic devices (TVs, microwaves, computers, radios) that may affect its operation.
5. Check Temperature Conditions – Ensure the device is within its operational temperature range (-9°C to 50°C indoors).
6. Contact Support – If the issue persists after troubleshooting, contact the seller or support for further assistance.
If none of these steps resolve the issue, the sensor may be faulty.
This answer is automatically generated
How do I turn the alarm off?
Time and date are wrong