GPXGPX C303B Dual Alarm Clock AM/FM Radio 

GPX C303B Dual Alarm Clock AM


  • COLOR: Black
  • SHAPE: Rectangular
  • THEME: Phone
  • ITEM WEIGHT: 0.56 Pounds
  • OPERATION MODE: Electrical
  • PRODUCT DIMENSIONS: 6.06 x 5.12 x 2.52 inches

This clock radio features a dual alarm function to ensure that you wake up on time, which is just what you need and want. The clock offers an automatic time setting function. The default setting is EST out of the box, but the time zone functionality can be changed by clicking the Time Zone icon. The wake feature includes a sizable snooze button as well as the ability to wake up to the radio or an alarm. Even time zone control and daylight savings time are available. The built-in AM/FM antennas allow you to listen to your preferred radio stations whenever you want. This clock radio allows you to adjust the volume to a level that is comfortable for you thanks to its 10 AM and 10 FM presets, digital volume controls, and dimmer settings.
The modern design looks amazing anywhere. The straightforward controls make operating simple, and the wide, 1.2-inch green LED display is simple to see. The clock can be powered by AC current (an adapter is included), but for added security, a CR2032 battery serves as a battery backup (pre-installed). The clock radio, power adapter, warranty, and a user’s manual are all included in the box. GPX has provided one of the most comprehensive portfolios of technology-driven consumer audio and video products for over 30 years. An industry leader in consumer electronics, GPX has established a strong reputation for its superior product quality, dependability, design, and pricing.



Plug the AC/DC power adapter (included) into the DC Power Input on the unit, and a standard power outlet.

The unit can be used to charge mobile devices through a USB charging port in the rear, as seen on the right (USB cable not included).


The battery backup is intended for short power outages only. The clock radio’s primary functions cannot run off of the battery backup alone. This unit uses a button cell battery that will last up to 1 year and maintains the time. Replace the battery if the low battery indicator lights up.



When the unit is plugged in, the correct time will be displayed after a few seconds.


  1. Press and hold the Clock button until the display begins flashing.
  2. Press the Hour and Minute buttons to adjust the time. The PM indicator will light when the hour is set in the PM.
  3. Press the Clock button again set the day of the week. Press the Hour and Minute button to adjust the day from 1 to 7. Example: 1 – Monday, 2 – Tuesday, etc.
  4. Press the Clock button again to finish, or wait for the display to stop flashing.


On the rear of the unit is a switch marked DST ON/OFF. In the ON position, the time on the clock is moved ahead one hour. In the OFF position, it is moved back one hour.


When the unit is first powered on, it is automatically set to Time Zone 2 – Eastern Standard Time. To change this setting, press the Time Zone button to select the desired time zone.

1 Atlantic Std Time UTC- 4 hrs
2 Eastern Std Time UTC- 5 hrs
3 Central Std Time UTC- 6 hrs
4 Mountain Std Time UTC- 7 hrs
5 Pacific Std Time UTC- 8 hrs
6 Alaska Std Time UTC- 9 hrs
7 Hawaii – Aleutian Std Time UTC- 10 hrs



Adjust the position of the FM Antenna to improve FM radio reception. An AM antenna is built into the clock radio. To improve AM radio reception, adjust the position of the clock radio.


  1. Power on the radio by pressing the Power button. Press it again to switch between the AM and FM radio mode.
  2. Press the Tuning ± buttons to find the desired radio frequency.
  3. Press the Volume ± buttons to adjust the volume of the radio.


  1. With the radio on, tune to your desired frequency, press and hold the Preset button until the screen flashes.
  2. Press the Tuning ± buttons to choose the desired preset station, 1 through 10.
  3. Press the Preset/Clock button again to set the frequency to that preset station.
  4. The unit will store 10 FM and 10 AM radio station presets. Once set, press the Preset/Clock button to cycle through your preset stations.



  1. With the radio off, press and hold the AL1 or AL2 buttons to set the time for Alarm 1 or Alarm 2.
  2. The screen will flash and display the time the alarm is set to go off. Press the Hour and Minute buttons to change the desired time. Note the PM indicator.
  3. With the screen still flashing, press the AL1 or AL2 buttons again to set the weekly alarm schedule.

1-7 rings Mon-Sun | 1-5 rings Mon-Fri | 6-7 rings Sat-Sun

After the alarm is set and the screen has stopped flashing, press the AL1 or AL2 buttons again to select how the alarm will sound with the Buzzer or the Radio. Press once more to deactivate the alarm entirely.


After the alarm sounds, press the Snooze button to delay the alarm for an additional 9 minutes, or press the Power button to turn the alarm off until the set alarm time is reached again.


  • The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on apparatus.
  • Do not place the unit on top of any soft, porous, or sensitive surfaces to avoid damaging the surface. Use a protective barrier between the unit and the surface to protect the surface.
  • This product is supplied with a coin/button cell battery. If the coin/button cell battery is swallowed, it can cause severe internal burns and can lead to death.
  • Keep new and used batteries away from children. If the battery compartment does not close securely, stop using the product and keep it away from children.
  • If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention.
  • Batteries should be recycled or disposed of as per state and local guidelines.
  • WARNING: This product may contain chemicals known to the State of California to cause birth defects, or other reproductive harm (California Prop 65). Wash hands after handling.
  • This product meets and complies with all Federal regulations.


Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.


How can the alarm be disabled on a GPX clock radio?

When in off mode, continually press the AL1 or AL2 buttons to cycle through Radio, Buzzer, and then OFF. Watch for the screen to stop blinking. Your alarm is completely off at this point unless you set it again.

Dual alarm: What does that mean?

One of the best dual alarm clocks can assist in establishing a distraction-free atmosphere for a restful night’s sleep by replacing your phone with one of these devices. These alarm clocks are also perfect for people who tend to sleep a lot and want a loud alarm to wake them up or like to wake up gradually to simulated sunlight

How can the alarm be disabled on a digital clock?

Launch the Clock app on your phone. At the bottom, tap Alarm. Tap the On/Off switch next to the desired alarm.

A digital clock’s AM and PM settings are described.

Click the switch next to the 24-hour clock to the right of the clock to change the format of the time display. To keep the interface tidy, the AM/PM unit will briefly appear when you switch to the 12-hour format and then fade away.

On a clock radio, what does DST mean?

DST is signaled on the screen, and the clock display changes to reflect it. Press and hold DST for more than 3 seconds once more to turn off the daylight saving time adjustment.

What advantages can digital clocks offer?

Clocks with a digital display have more functionality than analog ones. Digital clocks are easier to read in stressful, time-sensitive situations, and some of them have countdown timers that can be used to keep track of the time. They can assist in getting pupils to their subsequent classroom in good time.

What characteristics does a digital clock have?

Batteries and electricity are both used to power digital clocks. Most clocks use batteries as a backup power source. Display: To show the time, these clocks employ LED or LCD screens. The temperature and the weather forecast are two extra display options on some of the clocks.

What kind of energy is used by a digital clock?

Digital clocks often use a 32,768-hertz crystal oscillator similar to a quartz clock or the 50 or 60 hertz oscillation of AC electricity to keep time.

Why doesn’t my alarm sound?

This issue may arise for users who are setting the alarm for the first time. Your alarm won’t sound if your clock app isn’t given access to send notifications. Follow the instructions below to give your clock app permission to send notifications in order to avoid this. Only Android-based devices are capable of this.

 What are the names of AM and PM?

The Latin term “ante meridiem” means “before noon” or “before midday,” which is why all times in the 12-hour system beginning at midnight use this abbreviation. Post meridiem, which means “afternoon” or “after midday,” refers to the hours beginning afternoon.

Which alarm clock, digital or analog, is preferable?

Analog alarm clocks are less precise than digital ones. Additionally, they include a snooze feature, which is perfect for people who need to wake up early but don’t want to continually be awakened by an alarm clock.

The power source for digital clocks.

Digital clocks are powered electronically, either by a battery or by the AC electricity that comes from a wall outlet. Digital wristwatches utilize batteries because they are portable, unlike digital wall clocks, which often use an electrical outlet. Either sort of power source can be used to power a digital alarm clock.

How much power is consumed by a digital radio?

According to the most recent study, an in-use FM-only radio uses 4.69 watts of power on average whereas a DAB radio uses an average of 3.75 watts (i.e., DAB devices use 20% less power on average).

How many lines are there on a digital clock?

Most digital clocks use a seven-segment LED, VFD, or LCD for each of the four numbers to display the time. In most cases, they also have additional components to show the time, whether it is AM or PM, whether an alarm has been set, and so forth.

On a digital clock, what do the dots represent?

When using the 12-hour format, the digital clock will display the time with a dot in the upper left corner of the display to show that it is now PM, and without a dot when it is AM.

Leave a comment

Your email address will not be published. Required fields are marked *