FRD40BT - Alarm Clock Sunstech - Free user manual and instructions
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| Brand | Sunstech |
| Model | FRD40BT |
| Product Type | Alarm clock radio with Bluetooth speaker |
| Radio | FM tuner (87.5 - 108 MHz) |
| Bluetooth | Yes, wireless music streaming |
| Speaker Output | 3 W RMS |
| Alarm Function | Dual alarm with snooze and gradual wake-up |
| Display | LED display with adjustable brightness levels |
| Clock | 12/24 hour format |
| Power Supply | AC 100-240 V adapter; battery backup (2 x AAA, not included) |
| Battery Backup | Yes, maintains time and alarm during power outages |
| Dimensions | Approx. 180 x 72 x 90 mm (W x H x D) |
| Weight | Approx. 350 g |
| USB Charging | 5V/1A USB port for charging smartphones |
| Audio Input | 3.5 mm aux-in jack for external players |
| Sleep Timer | Yes, auto shut-off up to 90 minutes |
| Additional Functions | Headphone output, adjustable antenna |
| Maintenance | Wipe with a soft, dry cloth; do not use solvents |
| Safety | Keep away from water and heat; use the provided AC adapter only |
| Spare Parts & Repairability | Batteries are user-replaceable; other repairs by Sunstech service center |
Frequently Asked Questions - FRD40BT Sunstech
How do I set the alarm on my Sunstech FRD40BT?
Press the ALARM button once to enter alarm setting mode. Use the HOUR and MIN buttons to adjust the desired time, then press ALARM again to confirm. The alarm icon will appear on the display.
How can I pair my phone via Bluetooth?
Turn on the alarm clock and switch to Bluetooth mode by pressing the MODE button. Activate Bluetooth on your phone, search for available devices, and select FRD40BT. Once connected, you can stream music wirelessly.
How do I set the time manually?
Press and hold the CLOCK ADJ button for about 2 seconds until the hour digits blink. Use HOUR and MIN to set the time, then press CLOCK ADJ again to save. In the same menu you can switch between 12-hour and 24-hour format.
Can I charge my phone through the USB port?
Yes, the USB port provides 5V/1A output, so you can connect your smartphone or other devices to charge them while using the radio or Bluetooth features.
How do I switch between FM radio and Bluetooth?
Press the MODE button repeatedly to cycle through the available sources: Bluetooth, FM radio, and possibly Aux-in. The selected mode will be shown on the display.
How do I activate the sleep timer?
Press the SLEEP button and the display will show a time value (e.g., 90, 60, 30, 15 minutes). Keep pressing to select your preferred countdown time. The unit will automatically turn off after the set period.
Why does the display stay on at night and how can I dim it?
The LED display is very useful but may be too bright in a dark room. Use the DIMMER button to cycle through different brightness levels, including a low-night mode that reduces glare.
How do I replace the backup batteries?
On the bottom of the device, open the battery compartment and insert two AAA batteries (not included) with the correct polarity. These batteries keep the clock and alarms running during power outages.
Can I use the alarm without external power?
Yes, if you have installed backup batteries, the alarm will still sound. However, the FM radio and Bluetooth speaker functions require the AC adapter to operate normally.
How do I clean my Sunstech FRD40BT?
Always unplug the device before cleaning. Use a soft, dry cloth to wipe the surface. Avoid using water, solvents, or cleaning sprays, as they may damage the electronic components.
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USER MANUAL FRD40BT Sunstech
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Product information
Brand : Sunstech
Model : FRD40BT
Category : Alarm Clock