Zgrmbo Night Light Atomic Clock User Manual

1. Producte acabatview

The Zgrmbo Night Light Atomic Clock (Model ZG3566A) is a versatile digital clock designed for various indoor settings such as bedrooms, desks, and travel. It features an accurate atomic time calibration, automatic daylight saving time adjustment, and a built-in ambient light sensor for auto-dimming. Additionally, it provides indoor temperature and humidity readings, and offers dual alarm settings with a customizable snooze function.

Zgrmbo Night Light Atomic Clock front view displaying time, date, temperature, and humidity — Davant view of the Zgrmbo Night Light Atomic Clock, showing its clear digital display with time, date, indoor temperature, and humidity.

2. Configuració i ús inicial

2.1 Instal·lació de la bateria

The clock is powered by 2 AAA batteries (not supplied). To install:

Obriu la tapa del compartiment de la bateria situada a la part posterior del rellotge.
Introduïu dues piles AAA noves, assegurant-vos de la polaritat correcta (+/-).
Tanqueu bé la tapa del compartiment de la bateria.

Enrere view of Zgrmbo clock showing open battery compartment and stand — posterior view of the clock with the battery compartment open, indicating where to insert two AAA batteries (not included).

2.2 Sincronització del temps atòmic

After battery installation, the clock will automatically attempt to retrieve the WWVB time calibration signal sent by NIST. This process ensures accurate time to the second and automatically adjusts for Daylight Saving Time (DST).

The clock will search for WWVB time airwave signals at 1:00 AM, 2:00 AM, and 3:00 AM each day to correct the time.
To ensure better reception, place the clock in an area with a good signal, such as near a window.
The clock supports 7 time zones: AST, EST, CST, MST, PST, AKT, HAT. Ensure you select the correct time zone before the clock calibrates.

Zgrmbo clock displaying atomic time synchronization feature with a map of US time zones — The atomic clock feature automatically calibrates the time signal. A map illustrates the 7 supported time zones across the USA.

3. Funcionament del rellotge

3.1 Time Display & Format

The large LCD display shows the current time, date, day of the week, indoor temperature, and humidity. The time can be displayed in either 12-hour or 24-hour format.

3.2 Auto-Dimming & Night Light

The clock features a built-in ambient light sensor. In dark environments, it automatically triggers a soft night light to illuminate the display. You can manually control this feature:

Premsa llarga the top of the clock to turn the auto-dimming mode ON/OFF.
Premsa curta the top of the clock to manually light up the clock display.

Comparison of Zgrmbo clock display in bright and dim light, showing auto-dimming feature — The clock's auto-dimming feature adjusts display brightness based on ambient light, ensuring readability day and night. Manual light-up is also available.

3.3 Alarm Clock with Snooze

The Zgrmbo clock includes two independent alarm settings. The alarm sound gradually increases in intensity over 120 seconds. The snooze function is customizable.

Set two distinct alarms for different needs (e.g., weekday and weekend).
The snooze duration can be set from 5 to 60 minutes.

Zgrmbo clock showing two alarm settings and snooze feature — The clock offers two customizable alarm settings and a flexible snooze function (5-60 minutes).

3.4 Temperature & Humidity Monitor

Keep track of your indoor environment with the integrated temperature and humidity sensors.

Temperature range: 14℉ to 122℉ (-9.9℃ to 50℃).
Humidity range: 20%RH to 95%RH.

3.5 Producte acabatview Vídeo

Official product video demonstrating the Zgrmbo ZG3566A Digital Clock's features and battery operation.

4. Botons i controls

The control buttons are located on the back of the unit, allowing for various settings adjustments.

Fletxes amunt/avall: Navega pels menús i ajusta els valors.
Icona d'alarma: Set and activate alarms.
Gear Icon (Settings): Access general settings for time, date, and other preferences.
Botó °C/°F: Toggle between Celsius and Fahrenheit for temperature display.
Antenna Icon: Manually initiate atomic time synchronization.

5. Cura i manteniment

Netegeu la superfície del rellotge amb un drap suau i sec. Eviteu netejadors o dissolvents abrasius.
If the display becomes dim or unresponsive, replace the AAA batteries.
No exposeu el rellotge a temperatures extremes, llum solar directa ni humitat elevada.

6. Solució De Problemes

Problema	Causa possible	Solució
Clock not displaying time/powering on.	Les piles estan gastades o incorrectament inserides.	Canvieu les piles per piles AAA noves, assegurant-vos de la polaritat correcta.
Atomic time not synchronizing.	Weak WWVB signal.	Move the clock closer to a window or to a different location with better signal reception. Allow several hours for synchronization.
Time resets randomly.	Interference or weak signal causing reset.	Ensure the clock is not near electronic devices that may cause interference. Try relocating the clock.
La pantalla és massa tènue o massa brillant.	Auto-dimming setting or manual override.	Long press the top button to toggle auto-dimming. Short press to manually adjust brightness.

7. Especificacions tècniques

Característica	Especificació
Marca	Zgrmbo
Número de model	ZG3566A
Tipus de visualització	Digital
Font d'alimentació	Alimentat per piles (2 x AAA, no incloses)
Dimensions del producte	6.75 cm d'amplada x 5.5 cm d'alçada
Pes de l'article	13.4 unces
Material	Acrilonitril butadiè estirè (ABS)
Característiques especials	Atomic, Auto Dimmable, Temperature Display, Humidity, Snooze
Interval de temperatura	14 ℉ a 122 ℉ (-9.9 ℃ a 50 ℃)
Gamma d’humitat	20% de HR a 95% de HR
Zones horàries	7 (AST, EST, CST, MST, PST, AKT, HAT)

Zgrmbo clock with dimensions overlayed, showing 7 inches width and 5.5 inches height — Dimensions of the Zgrmbo Night Light Atomic Clock: 7 inches wide by 5.5 inches high.

8. Garantia i assistència

For detailed information regarding product warranty and additional support, please refer to the official user manual provided by the manufacturer.

You can access the User Manual (PDF) aquí.

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Zgrmbo ZG3566A