1. Introducció
This manual provides comprehensive instructions for the setup, operation, and maintenance of your GEEVON Digital Hygrometer Indoor Outdoor Thermometer. Please read this manual thoroughly before use to ensure proper functionality and longevity of the device.
2. Producte acabatview
2.1 Components
- Unitat de visualització principal
- Sensor remot sense fils
2.2 Característiques clau
- Max & Min Records: Displays 24-hour maximum and minimum indoor/outdoor temperature and humidity readings.
- Fletxes de tendència: Indicates whether temperature and humidity are rising, falling, or remaining constant.
- Lectures precises: Strong signal penetration for temperature/humidity sensors, supporting up to 3 remote sensors (additional sensors sold separately) with a range of up to 60m/200ft in open areas.
- Rellotge integrat: Includes a built-in alarm clock (12/24H), snooze function, and calendar.
- Pantalla LCD retroiluminada: A 3.8-inch large LCD display with a backlight that automatically turns off after 10 seconds to conserve energy.
- Opcions d'ubicació: Designed for tabletop use with a kickstand or wall-mounting.
- Funciona amb bateria: Both the main unit and outdoor sensor operate on batteries (not included).


3. Instruccions de configuració
3.1 Instal·lació de la bateria
- Open the battery compartment on the back of the main display unit.
- Introduïu 3 piles AAA (no incloses) respectant les marques de polaritat.
- Tanqueu el compartiment de la bateria.
- Open the battery compartment on the back of the wireless remote sensor.
- Introduïu 2 piles AA (no incloses) respectant les marques de polaritat.
- Tanqueu el compartiment de la bateria.
3.2 Emparellament de sensors
The main unit and remote sensor should automatically pair once batteries are installed. If pairing does not occur, ensure the sensor is set to the desired channel (1, 2, or 3) before inserting batteries. Place the main unit and sensor close to each other for 2-3 minutes during initial connection.

3.3 Remote Sensor Placement
For optimal performance and accurate readings, consider the following guidelines for placing your remote sensor:
- Place the sensor 1.2 to 2.4 meters (4 to 8 feet) above the ground.
- Ensure the sensor is in a permanently shaded area, away from direct sunlight.
- Keep the sensor 1.5 to 2 meters (5 to 6.5 feet) away from electronic devices (TV, computer, microwave, radio, etc.) to avoid interference.
- Avoid placing the sensor near heat sources or vents.
- Mount the outdoor sensor vertically. Do not place it horizontally or directly on the ground.

3.4 Video Guide: How to Use the Outdoor Sensor
4. Instruccions de funcionament
4.1 Mostra finalview
The main unit's large LCD screen displays the following information:
- Hora i data actuals.
- Temperatura i humitat exteriors.
- Temperatura i humitat interiors.
- Fletxes de tendència de temperatura i humitat.
- Max/Min records for 24 hours.
4.2 Selecció de la unitat de temperatura (°C/°F)
Premeu el botó UP button on the main unit to switch between Celsius (°C) and Fahrenheit (°F) temperature units.
4.3 Funció de retroiluminació
Premeu el botó SNZ / LIGHT button on the top of the main unit to activate the backlight. The backlight will illuminate for 10 seconds and then automatically turn off to conserve battery power.

4.4 Registres màxims/mínims
The device automatically records the maximum and minimum temperature and humidity readings over a 24-hour period. These records can be viewed prement el botó MEM button. To clear the records, long-press the MEM botó.
4.5 Channel Cycling
If you have multiple remote sensors, press the CH button on the main unit to cycle through the readings from each connected sensor (Channel 1, Channel 2, Channel 3).
4.6 Configuració de l'hora i la data
Refer to the detailed video below for setting the real-time clock and other functions.
5. Manteniment
To ensure accurate readings and extend the lifespan of your device, follow these maintenance tips:
- Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni el submergiu en aigua.
- Canvieu les piles quan aparegui l'indicador de bateria baixa a la pantalla.
- Avoid exposing the main unit to extreme temperatures, direct sunlight, or moisture.
6. Solució De Problemes
6.1 Sensor Malfunction After Battery Installation
If the outdoor sensor's red light does not flash after installing new batteries, or if the main unit does not receive data:
- Ensure you are using brand new batteries. Do not mix new and old batteries.
- Verify that the batteries are inserted with correct polarity.
- Check the channel selection on the remote sensor.
- Bring the main unit and sensor closer together to re-establish connection.
- Si el problema persisteix, poseu-vos en contacte amb el servei d'atenció al client per obtenir més ajuda.
7. Especificacions
- Dimensions del producte: 8.2 x 8.2 x 10.6 cm; 180 g
- Interval de transmissió sense fil: Up to 60m/200ft (in open area)
- Font d'alimentació: Battery Powered (Main Unit: 3x AAA, Remote Sensor: 2x AA - batteries not included)
- Tipus de visualització: LCD digital amb llum de fons
- Característiques especials: 10-second backlight, high accuracy, indoor/outdoor temperature and humidity, large display, time & calendar.
- Material: Plàstic
- Número de model: GN-8688-VAR-CA
8. Garantia i Suport
This product is manufactured by Geevon. For any product-related inquiries, technical support, or warranty claims, please refer to the contact information provided with your purchase or visit the official Geevon weblloc.





