1. Prodott Aktarview
The JUSTUP Digital Double Bell Alarm Clock combines classic design with modern functionality. It features a loud double-bell alarm, a clear LED digital display for time, date, and temperature, and silent operation. Designed for various users, including heavy sleepers, this clock offers both USB plug-in and battery power options.

Figura 1: Quddiem view of the JUSTUP Digital Double Bell Alarm Clock.

Figura 2: Aktarview of the alarm clock's main features.
Karatteristiċi ewlenin:
- Loud Double Bell Alarm: Produces a crisp mechanical ringing sound over 70 decibels, suitable for heavy sleepers.
- Wiri Diġitali LED: Clearly shows time, date, and temperature.
- Operazzjoni Siekta: No ticking sound, ensuring a quiet environment.
- Funzjoni tad-Dawl bil-lejl: Circular night light on the dial for easy viewing fid-dlam.
- Modi ta' Enerġija Doppju: Operates via USB plug-in or 3 AAA batteries (for memory and temporary use).
- 12/24 Hour System: User-selectable time format.

Figure 3: Product dimensions of the alarm clock.

Figure 4: Illustration of the alarm clock's loud ringtone feature.

Figure 5: The alarm clock's display in day and night settings, showcasing the night light.
2. Setup
2.1 Provvista tal-Enerġija
The alarm clock supports two power modes: USB plug-in and battery power. For continuous display and optimal functionality, the USB plug-in mode is recommended.
- USB Plug-in Mode: Connect the provided USB cable to the clock and a compatible USB power adapter (not included) or a USB port. This mode ensures the display remains continuously on.
- Battery Power Mode: Insert 3 AAA batteries (not included) into the battery compartment on the back of the clock. In battery mode, the screen will automatically shut down after 10 seconds to conserve power. To wake the screen, gently touch the clock or use the voice-controlled wake-up feature. Batteries also serve to retain settings during power outages.

Figure 6: Two power supply methods: USB plug-in and battery powered.
2.2 Identifying Controls
Familiarize yourself with the buttons on the back of the alarm clock:

Figura 7: Wara view of the alarm clock with control buttons labeled.
- Buttuni +/-: Used to increase or decrease values during setting.
- Gear Icon Button: The 'Set' button, used to enter setting modes and confirm selections.
- Bell Icon Button: The 'Alarm Setting' button, used to set and activate alarms.
- Sun/Zzz Icon Button: Used to adjust display brightness and activate snooze.
3. Istruzzjonijiet Operattivi
3.1 Issettjar tal-Ħin
- Agħfas il- Gear Icon (Set) button to cycle through time, date, and temperature display modes.
- Biex tissettja l-ħin, pressa twila il Gear Icon (Set) Agħfas il-buttuna sakemm iċ-ċifri tas-sigħat jteptep.
- Uża l- buttuni +/- biex taġġusta s-siegħa.
- Agħfas il- Gear Icon (Set) Agħfas il-buttuna mill-ġdid biex tikkonferma s-siegħa u tmur għall-minuti.
- Uża l- buttuni +/- biex taġġusta l-minuti.
- Agħfas il- Gear Icon (Set) button one last time to confirm minutes and complete the time setting.
The clock supports both 12-hour and 24-hour formats. This setting is typically adjusted during the initial time setup or through a dedicated setting option (refer to the video for visual guidance).
Video 1: Detailed instructions on how to set the time and alarm, and turn off the alarm on the JUSTUP Digital Alarm Clock.
3.2 Setting an Alarm
- Agħfas il- Bell Icon (Alarm Setting) Agħfas il-buttuna biex tidħol fil-modalità tas-settings tal-allarm. Il-ħin tal-allarm se jteptep.
- Uża l- buttuni +/- to adjust the desired alarm hour.
- Agħfas il- Bell Icon (Alarm Setting) Agħfas il-buttuna mill-ġdid biex tikkonferma s-siegħa u tmur għall-minuti.
- Uża l- buttuni +/- to adjust the desired alarm minutes.
- Agħfas il- Bell Icon (Alarm Setting) button one last time to confirm minutes and activate the alarm. An alarm clock symbol will appear on the display, indicating the alarm is set.
- The clock may offer multiple alarm settings (e.g., two or three). Repeat the steps to set additional alarms if available.

Figure 8: Visual representation of the alarm ringing.
3.3 Turning Off the Alarm / Snooze Function
- Meta l-allarm ċrieki, agħfas il- Sun/Zzz Icon (Snooze) button to activate the snooze function. The alarm will temporarily stop and ring again after a set interval (e.g., 5-10 minutes).
- To completely turn off the alarm when it is ringing, press any other button on the back panel (e.g., +/- or Gear Icon).
- To deactivate the alarm mode entirely, you may need to remove and reinsert the batteries, or long-press the Bell Icon button until the alarm symbol disappears from the display. (Refer to Video 1 for specific deactivation steps).
3.4 Aġġustament tal-Luminożità tad-Displej
Agħfas il- Sun/Zzz Icon (Brightness/Snooze) button to cycle through different brightness levels for the LED display. This allows you to adjust the display to your preference, especially for night use.
3.5 Date and Temperature Display
The clock automatically cycles through time, date, and temperature displays. To manually cycle through these displays, press the Gear Icon (Set) buttuna fil-qosor.
4. Manutenzjoni
- Clean the clock with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Żomm l-arloġġ 'il bogħod mix-xemx diretta, temperaturi estremi, u umdità għolja.
- If using battery power, replace batteries promptly when the display becomes dim or unresponsive to ensure accurate timekeeping and alarm function.
- Ensure the USB cable is securely connected when using plug-in power.
5 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Display is off in battery mode. | This is normal behavior to conserve battery power. | Gently touch the clock or use voice control to wake the display. For continuous display, use USB plug-in power. |
| L-allarm ma jdoqqx. | Alarm not set or deactivated; low battery power. | Ensure the alarm is correctly set and the alarm symbol is visible on the display. Replace batteries if using battery power. |
| Ħin/data mhux korretti. | Time/date not set correctly; power interruption. | Follow the "Setting the Time" instructions to reset. Ensure batteries are installed for backup during power interruptions. |
| Il-buttuni ma jirrispondux. | Temporary software glitch; very low battery. | Remove and reinsert batteries, or disconnect and reconnect USB power to reset the device. Replace batteries if needed. |
6. Speċifikazzjonijiet
- Ditta: JUSTUP
- Mudell: HL-8891 / HL-8891A
- Tip ta' wiri: LED diġitali
- Kulur: Iswed
- Dimensjonijiet: 4.5" (Wisa') x 6.7" (Għoli)
- Piż: Madwar 0.31 kg (10.8 uqija)
- Sors tal-Enerġija: USB (Corded Electric) or 3 x AAA Batteries (not included)
- Materjal: Acrylonitrile Butadiene Styrene (ABS), Metal (Frame: ABS, Iron)
- Karatteristiċi Speċjali: Loud Alarm, Snooze, Night Light, Temperature Display, Date Display, Silent Operation, 12/24 Hour Format.
7. Garanzija u Appoġġ
For warranty information or technical support, please refer to the product packaging or contact the retailer where the product was purchased. You may also visit the official JUSTUP websit għal aktar għajnuna.
Manifattur: JUSTUP
Data L-Ewwel Disponibbli: 10 ta’ Mejju, 2024





