1. Introduction
Thank you for purchasing the Jensen JCR-229 FM Digital Dual Alarm Clock Radio. This device is designed to provide reliable timekeeping, FM radio entertainment, and dual alarm functionality, along with a convenient USB charging port. Please read this manual thoroughly before operating the unit to ensure proper use and to maximize its features.
2. Safety Information
- Do not expose this unit to rain or moisture.
- Do not block any ventilation openings.
- Ensure the power cord is not pinched or walked on.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this unit during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
3. Features
- 1.2-inch White LED Display
- FM Digital Tuner with 10 Presets
- Dual Alarm Function (Wake to Radio or Buzzer)
- Dimmer Control for Display Brightness
- Sleep Function
- 1 Amp USB Charging Port for external devices
- Battery Backup for Time and Alarm Settings (CR-2032, not included)
4. Controls and Indicators
Familiarize yourself with the buttons and display on your JCR-229 unit.
Image 4.1: Top Controls Overview
This image displays the top panel of the Jensen JCR-229, highlighting the various control buttons including volume, tuning, dimmer/sleep, mode, and power.
- Power Button (U): Turns the unit on/off.
- MODE Button: Switches between FM radio and clock display.
- DIMMER/SLEEP Button: Adjusts display brightness and activates sleep timer.
- TUNING Buttons (< / >): Adjusts radio frequency or time/alarm settings.
- VOLUME Buttons (+ / -): Adjusts audio volume.
- Alarm 1 (1) / Alarm 2 (2) Buttons: Sets and activates respective alarms.
- SNOOZE Button: Temporarily silences the alarm.
- LED Display: Shows time, radio frequency, and alarm indicators.
Image 4.2: Side Indicators
This image shows the side of the Jensen JCR-229, indicating the PM, Alarm, and Radio status lights.
5. Setup
5.1 Power Connection
- Plug the AC power adapter into a standard wall outlet.
- Connect the other end of the adapter to the DC IN jack on the back of the JCR-229 unit.
- The display will light up, indicating power is connected.
5.2 Battery Backup Installation
The JCR-229 requires one CR-2032 lithium battery (not included) for battery backup. This battery maintains time and alarm settings during a power outage.
- Locate the battery compartment on the bottom of the unit.
- Open the battery compartment cover.
- Insert one CR-2032 battery, observing the correct polarity (+ and -).
- Close the battery compartment cover securely.
5.3 Setting the Time
- Ensure the unit is powered on.
- Press and hold the MODE button until the hour digits begin to flash.
- Use the TUNING < / > buttons to adjust the hour. Pay attention to the PM indicator.
- Press the MODE button again to confirm the hour and move to minute setting. The minute digits will flash.
- Use the TUNING < / > buttons to adjust the minutes.
- Press the MODE button one more time to save the time setting.
6. Operating Instructions
6.1 Setting Alarms (Alarm 1 and Alarm 2)
The JCR-229 features two independent alarms.
- To Set Alarm 1: Press and hold the Alarm 1 button until the alarm hour digits flash.
- Use the TUNING < / > buttons to adjust the alarm hour. Observe the PM indicator.
- Press the Alarm 1 button again to confirm the hour and move to minute setting.
- Use the TUNING < / > buttons to adjust the alarm minutes.
- Press the Alarm 1 button again to select the alarm source: BUZ (Buzzer) or RAD (Radio). Use TUNING < / > to toggle.
- Press the Alarm 1 button one more time to save the Alarm 1 setting. The Alarm 1 indicator will light up on the display.
- To Set Alarm 2: Follow the same steps as Alarm 1, but use the Alarm 2 button.
6.2 Activating/Deactivating Alarms
- To activate an alarm, press the corresponding Alarm 1 or Alarm 2 button once. The alarm indicator will appear on the display.
- To deactivate an alarm, press the corresponding Alarm 1 or Alarm 2 button again. The alarm indicator will disappear.
6.3 Snooze Function
When an alarm sounds, press the SNOOZE button to temporarily silence it for approximately 9 minutes. The alarm will sound again after the snooze period.
6.4 FM Radio Operation
- Press the MODE button to switch to FM radio mode. The current frequency will be displayed.
- Manual Tuning: Press the TUNING < / > buttons briefly to adjust the frequency step by step.
- Auto Scan Tuning: Press and hold the TUNING < / > buttons for a few seconds to automatically scan for the next available station.
- Adjust Volume: Use the VOLUME + / - buttons to adjust the listening volume.
6.5 Setting and Recalling FM Presets
The unit can store up to 10 FM radio stations.
- Tune to your desired FM station.
- Press and hold the MODE button until "P01" (or the next available preset number) flashes on the display.
- Use the TUNING < / > buttons to select the desired preset number (P01-P10).
- Press the MODE button again to save the station to the selected preset.
- To recall a preset station, briefly press the MODE button while in FM mode to cycle through the stored presets.
6.6 Dimmer Control
The display brightness can be adjusted to suit your preference.
- Press the DIMMER/SLEEP button repeatedly to cycle through different brightness levels (High, Medium, Low, Off).
6.7 Sleep Timer
The sleep timer allows you to fall asleep to the radio, which will automatically turn off after a set period.
- While the radio is playing, press and hold the DIMMER/SLEEP button. The display will show the sleep timer duration (e.g., 90 minutes).
- Press the DIMMER/SLEEP button repeatedly to cycle through available sleep times (90, 60, 30, 15 minutes, or OFF).
- Release the button when your desired sleep time is displayed. The radio will play for the selected duration and then turn off automatically.
6.8 USB Charging Port
The JCR-229 includes a 1 Amp USB charging port on the back of the unit.
Image 6.1: USB Charging in Use
This image demonstrates a smartphone being charged using the 1 Amp USB port located on the back of the Jensen JCR-229.
- Connect your USB charging cable (not included) to the USB port on the back of the JCR-229.
- Connect the other end of the cable to your smartphone, tablet, or other USB-powered device.
- The JCR-229 must be connected to AC power for the USB charging port to function.
7. Maintenance
7.1 Cleaning the Unit
- Unplug the unit from the power outlet before cleaning.
- Use a soft, dry cloth to wipe the exterior surfaces.
- Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
8. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Unit does not power on. | Ensure the AC power adapter is securely plugged into both the unit and a working wall outlet. |
| Display is too bright/dim. | Press the DIMMER/SLEEP button repeatedly to cycle through brightness levels. |
| Cannot set time/alarm. | Ensure you are pressing and holding the correct button (MODE for time, Alarm 1/2 for alarms) until digits flash. Follow the steps precisely. |
| Alarm does not sound. | Verify the alarm is activated (indicator light on). Check alarm time and ensure it is set correctly (AM/PM). Ensure volume is not set to minimum if waking to radio. |
| Poor FM radio reception. | Extend the FM wire antenna fully. Try repositioning the unit for better reception. |
| USB charging not working. | Ensure the JCR-229 is connected to AC power. Check the USB cable and the device being charged. |
9. Specifications
- Power Source: AC 120V ~ 60Hz
- Battery Backup: 1 x CR-2032 Lithium Battery (not included)
- Display: 1.2-inch White LED
- Radio Frequency: FM 87.5 - 108 MHz
- USB Charging Output: 5V, 1A
- Dimensions (W x H x D): Approximately 6.2 x 1.8 x 6.1 inches (15.7 x 4.6 x 15.5 cm)
- Weight: Approximately 9.6 ounces (272 grams)
10. Warranty and Support
JENSEN products are designed and manufactured to the highest quality standards. For detailed warranty information or technical support, please refer to the warranty card included with your product or visit the official JENSEN website. Please retain your proof of purchase for warranty claims.
For further assistance, you may visit the Jensen Store on Amazon.
