1. Introducció
The Hushing Sound Machine Alarm Clock F4 is a versatile 3-in-1 device designed to enhance sleep and simplify daily routines. It combines a sound machine with 30 soothing sounds, a dual alarm clock with 15 wake-up sounds, and a night light with 12 color options. This device features a backup battery for alarm functionality during power outages, a memory function to retain settings, and adjustable display brightness.

Figura 1: Frontal view of the Hushing Sound Machine Alarm Clock F4.
2. Característiques del producte
- Funcionalitat 3 en 1: Integrates a sound machine, dual alarm clock, and night light.
- Màquina de so: Offers 30 soothing sounds, including white noise, pink noise, brown noises, lullabies, and natural sounds (rain, thunderstorm, sea waves, river, campfire, water drop, singing birds).
- Alarmes dobles: Two independent alarms for different schedules.
- Wake-up Sounds: 15 options, including classic beeps, light music, and ambient sounds.
- Funció de posposar: Provides an additional 9 minutes of rest.
- Llum nocturna: 12 colors with 10 adjustable brightness levels. Can be turned off independently.
- Visualització de l'hora: 12/24-hour mode with 4 levels of adjustable brightness.
- Control de volum: 32 nivells de volum ajustables.
- Sleep Timers: Auto-off options for 30, 60, 90, or 120 minutes, or continuous playback.
- Funció de memòria: Retains last settings after power failure or reboot.
- Bateria de seguretat: Ensures alarm functionality during power outages (device requires constant power for full operation).

Figura 2: Mésview de la funcionalitat 3 en 1.

Figure 3: Detailed list of 30 soothing sounds available.
3. Configuració
- Connexió d'alimentació: Connect the device to a power source using the provided USB cable and adapter. The device requires continuous power for full operation. The internal battery serves as a backup for the alarm function only.
- Càrrec inicial: For optimal performance, ensure the device is fully charged before first use.
- Configuració de l'hora:
- Press and hold the "12/24H Time Set" button to enter time setting mode.
- Use the "+" or "-" buttons to adjust the hour.
- Press the "Next Song" button (right arrow) to move to minute adjustment.
- Use the "+" or "-" buttons to adjust the minutes.
- Press the "Next Song" button again to confirm and exit time setting.
- Format 12/24 hores: Short press the "12/24H Time Set" button to toggle between 12-hour (AM/PM) and 24-hour formats.
Video 1: Guide on how to set the alarm clock and other settings.

Figure 4: Button layout and functions for easy operation.
4. Instruccions de funcionament
4.1. Configuració d'alarmes
- Set Alarm 1 or 2:
- Press and hold the "Alarm 1" or "Alarm 2" button to enter alarm setting mode.
- Use the "+" or "-" buttons to adjust the alarm hour.
- Press the "Next Song" button (right arrow) to move to minute adjustment.
- Use the "+" or "-" buttons to adjust the alarm minutes.
- Press the "Next Song" button again to select the alarm sound (15 options). Use "+" or "-" to cycle through sounds.
- Press the "Next Song" button again to adjust alarm volume. Use "+" or "-" to set the volume.
- Press the "Next Song" button again to confirm and exit alarm setting. The alarm icon will appear on the display.
- Turn Alarm On/Off: Short press the "Alarm 1" or "Alarm 2" button to activate or deactivate the alarm. The alarm icon will appear/disappear on the display.
- Dormitar: When the alarm sounds, press the "Snooze" button to temporarily silence it for 9 minutes.
- Atura l'alarma: To turn off the alarm completely, press any button other than "Snooze" when the alarm is sounding.

Figure 5: Key features of the alarm clock function.

Figura 6: Examples of wake-up sounds.
4.2. Using the Sound Machine
- Activar/Desactivar: Press the power button (bottom center) to turn the sound machine on or off.
- Seleccioneu el so: Use the "Previous Song" (left arrow) or "Next Song" (right arrow) buttons to cycle through the 30 available sounds.
- Ajustar el volum: Use the "+" or "-" buttons to increase or decrease the volume (32 levels).
- Estableix el temporitzador de repòs: Short press the "Sleep Timer" button to set an auto-off timer for 30, 60, 90, or 120 minutes. Press repeatedly to cycle through options or select continuous play (indicated by "CO").

Figure 7: Internal speaker design and volume capabilities.
4.3. Night Light Operation
- Activar/Desactivar: Press the "RGB" button to turn the night light on or off.
- Canvia el color: Short press the "RGB" button to cycle through 12 different colors.
- Ajusta la brillantor: Use the "+" or "-" buttons to adjust the brightness of the night light (10 levels).

Figure 8: Night light features and benefits.
4.4. Brillantor de la pantalla
- Ajusta la brillantor de la pantalla: Short press the "Dimmer" button to cycle through 4 levels of display brightness (low, medium, high, off).

Figure 9: Adjustable time display brightness levels.
5. Manteniment
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni materials abrasius.
- Emmagatzematge: Emmagatzemar en un lloc fresc i sec quan no s'utilitzi durant períodes prolongats.
- Potència: Ensure the device remains plugged into a power source for continuous functionality, especially for the sound machine and night light features. The backup battery is solely for the alarm function during power interruptions.
6. Solució De Problemes
- El dispositiu no s'encén: Ensure the device is properly plugged into a working power outlet. Check the USB cable and adapter for damage.
- L'alarma no sona: Verify that the alarm is set and activated (alarm icon visible on display). Check the alarm volume setting. Ensure the device is plugged in, as the backup battery only supports the alarm function for a limited time during power outages.
- Problemes de qualitat del so: Ensure the device is placed on a flat, stable surface. The speaker is located on the bottom of the unit, so avoid placing it on soft surfaces that might muffle the sound.
- Display too bright/dim: Use the "Dimmer" button to adjust the display brightness to your preference.
- Settings not saving: The device has a memory function. If settings are not retained, ensure the device is not completely losing power for extended periods beyond the backup battery's capacity.
7. Especificacions
- Dimensions del producte: 4.25 x 4.25 x 2.2 polzades
- Pes de l'article: 7.68 unces
- Nom del model: HAC-F4
- Bateries: 1 Lithium Polymer battery required (included, for backup alarm function)
- Fabricant: Silenciment
8. Garantia i Suport
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Hushing weblloc web. Conserveu el rebut de compra per a qualsevol reclamació de garantia.