1. Produk Lebihview
The ADE CK2309 is a versatile radio-controlled digital clock designed for both table and wall mounting. It features a large, clear XL LCD display (19.3 x 10.9 cm) that shows time, indoor temperature, date, day of the week, and humidity. The clock automatically sets and adjusts its time via the DCF radio signal, including automatic summer/winter time changes. It also includes integrated thermometer and hygrometer functions, displaying temperature in °C or °F and humidity in % RH. The high-quality ABS plastic casing with a silver frame makes it a suitable addition to any room.

Image 1.1: The ADE CK2309 digital clock displaying time, temperature, date, day of the week, and humidity on its large XL LCD screen.
2. Isi Paket
- ADE CK2309 Digital Clock
- Manual Instruksi
- Batteries (AA, quantity as required for operation)
3. Pengaturan
3.1 Pemasangan Baterai
- Temukan tempat baterai di bagian belakang jam.
- Buka penutup ruang baterai.
- Masukkan baterai AA yang dibutuhkan, pastikan polaritasnya benar (+/-).
- Tutup penutup ruang baterai dengan rapat.

Gambar 3.1: Belakang view of the ADE CK2309 clock, showing the battery compartment and stand. Batteries are included for immediate use.
3.2 Initial Time Synchronization (Radio Control)
After battery installation, the clock will automatically begin searching for the DCF radio signal to set the time. This process may take several minutes. Ensure the clock is placed in an area with good reception, away from electronic interference.
- A radio signal icon will typically appear on the display during synchronization.
- Once synchronized, the exact time, date, and day of the week will be displayed.
- The clock automatically adjusts for Daylight Saving Time (DST).

Gambar 3.2: Samping view of the ADE CK2309, highlighting easily accessible buttons for intuitive use, including automatic time change functionality.
3.3 Pilihan Penempatan
The ADE CK2309 can be used as a table clock or mounted on a wall.
- Penggunaan Tabel: Rentangkan penyangga terintegrasi di bagian belakang jam untuk meletakkannya di permukaan datar apa pun.
- Pemasangan di dinding: Use the keyhole slots on the back of the clock to hang it securely on a wall.

Image 3.3: The ADE CK2309 clock shown both wall-mounted and standing on a surface, demonstrating its versatile placement options.
4. Petunjuk Pengoperasian
4.1 Fungsi Tampilan
The large XL display provides the following information:
- Waktu: Menampilkan waktu saat ini dalam format 12 jam atau 24 jam.
- Suhu: Shows indoor temperature in Celsius (°C) or Fahrenheit (°F).
- Kelembaban: Displays indoor humidity as a percentage (% RH).
- Tanggal: Menunjukkan tanggal saat ini.
- Hari dalam Seminggu: Menampilkan hari saat ini dalam seminggu.

Image 4.1: The ADE CK2309 display, illustrating its multiple useful functions including temperature, calendar, day of the week, and air humidity.
4.2 Fungsi Lampu Latar
To illuminate the display, press the designated backlight button (usually located on the top or side). The backlight will activate for approximately 8 seconds, providing temporary visibility in low-light conditions.
4.3 Setting Time and Date Manually (if needed)
In areas with poor radio signal reception, you may need to set the time and date manually. Refer to the specific buttons on the side of the clock (e.g., MODE, SET, UP, DOWN) for detailed instructions. Typically, you will press a MODE or SET button to enter setting mode, then use UP/DOWN buttons to adjust values, and MODE/SET again to confirm and move to the next setting.
4.4 Fungsi Alarm
The clock features two independent alarm times and a snooze function.
- Mengatur Alarm: Use the ALARM button (or similar) to cycle through alarm settings (Alarm 1, Alarm 2). Use UP/DOWN buttons to set the desired alarm time.
- Mengaktifkan/Menonaktifkan Alarm: Press the ALARM button to toggle alarms on or off. An alarm icon will appear on the display when active.
- Fungsi Tunda: When an alarm sounds, press the SNOOZE button (often the backlight button) to temporarily silence the alarm. It will sound again after a set interval (e.g., 5-10 minutes).

Image 4.2: The ADE CK2309 clock offers smart alarm functions, including two alarm times, radio frequency synchronization, and a snooze feature.
5. Pemeliharaan
5.1 Pembersihan
To clean the clock, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical agents, as these may damage the display or casing.
5.2 Penggantian Baterai
When the display becomes dim or functions become erratic, it is time to replace the batteries. Follow the battery installation steps (Section 3.1) to replace all batteries with new ones of the same type.
6. Penyelesaian masalah
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Tampilan kosong atau redup. | Baterai lemah atau tidak terpasang dengan benar. | Ganti baterai dengan yang baru, pastikan polaritasnya benar. |
| Clock does not synchronize time automatically. | Poor DCF radio signal reception due to location or interference. | Move the clock to a different location, preferably near a window and away from other electronic devices. Allow several hours for synchronization. If unsuccessful, set time manually. |
| Incorrect temperature or humidity readings. | Clock is exposed to direct sunlight, drafts, or extreme temperatures. | Place the clock in a stable indoor environment, away from direct heat sources, cold drafts, or direct sunlight. |
| Alarm tidak berbunyi. | Alarm is not activated or volume is too low (if adjustable). | Ensure the alarm is set and activated (check for alarm icon on display). |
7. Spesifikasi
- Model: CK2309
- Merek: ADE
- Warna: Perak
- Bahan: Plastik ABS
- Dimensi Produk: 22.5 x 3.81 x 14 cm (Panjang x Lebar x Tinggi)
- Berat: 420 gram
- Tipe Tampilan: Digital LCD, XL (19.3 x 10.9 cm)
- Sumber Daya: Battery operated (AA batteries, quantity as specified in manual)
- Rentang Pengukuran Suhu: 0°C hingga 50°C (32°F hingga 122°F)
- Fitur Khusus: Radio-controlled time (DCF signal), Automatic DST adjustment, Backlight, Thermometer, Hygrometer, Calendar, Dual Alarms, Snooze function, Wall mountable / Table stand.

Image 7.1: The ADE CK2309 digital clock, illustrating its XL display and overall dimensions (22.5 cm width, 14.5 cm height).
8. Garansi dan Dukungan
For warranty information and customer support, please refer to the documentation included with your product or visit the official ADE webAnda juga dapat menghubungi pengecer tempat Anda membeli produk tersebut untuk mendapatkan bantuan.
- Pabrikan: ADE
- Weblokasi: www.ade-germany.de (Please note: This link is an example and may not be the exact support page. Refer to your product's packaging or included manual for precise contact information.)