New FM MW SW Full-band Digital Display Clock Radio Module Short wave Medium wave
Item Details
New FM MW SW Full-band Digital Display Clock
Radio Module Short wave Medium wave
Notice: The New Version product will be sold from October 5, 2021, and the old version is no longer in production.
Parameters:
1. Frequency range
Frequency Modulation (FM): 87-108MHz
Medium Wave (MW): 522-1620KHz
Shortwave (SW): 4.75-21.85MHz
2. Noise limit sensitivity
Frequency Modulation (FM): 30dB ≤8dBu
Amplitude Modulation Mid-wave (MW): 26dB ≤60dBu
Amplitude Modulation Shortwave (SW): 26dB ≤32dBu
3. Frequency modulation (FM) stereo separation: 98MHz≥20dB
4. Signal-to-noise ratio
Frequency Modulation (FM): 98MHz ≥50dB
Medium wave (MW): 1000KHz ≥40dB
5. Maximum output power
Headphone: ≥100mW*2
Speaker: 2W*2
6. Instantaneous maximum working current: ≤500mA
7. Maximum output distortion: ≤10%
8. Standby quiescent current in clock mode: ≤60uA
9. Power supply: 3.7V/1000mAH lithium battery(Not included)
10. Board Size: 52mm x 39mm x 10mm
11. Module Weight: about 15g
Operation Instructions:
<1>, power switch (POWER)
Press the "POWER" button, the "ON" pattern will be displayed on the screen for 2 seconds and then the radio frequency and frequency unit will be displayed, and you can receive your favorite radio programs by adjusting other buttons. When this key is pressed again, the “OFF” pattern will be displayed on the screen for 2 seconds, and the radio will be turned off and it will return to the clock state standby.
<2>, volume adjustment (VOL+/VOL-)
In the state of playing radio, short press the VOL+ key to increase the volume once, long press the VOL- key to increase continuously, short press the VOL- key to decrease the volume once, long press to decrease the volume continuously, and the adjustable range of volume is 00-31.
<3>, frequency increment/decrement search channel (TUNING UP/DOWN)
In any band in the listening state, press the "UP" frequency to increase the search button and the "DOWN" frequency to decrease the search button to change the current radio frequency. Each short press is one radio frequency stepping unit. If you press and hold the button for more than 1 second before letting go, it will be a continuous stepping search mode, the radio frequency will increase or decrease rapidly, until the frequency of a radio program is found, it will automatically stop and play the sound, if you need to change For radio programs, you can repeat the above operations.
<4>, sleep switch (LOCK_SLEEP)
Single press the "LOCK_SLEEP" button for the first time, the sleep shutdown time and the "sleep icon" flash on the screen. The number "90" means that it will automatically shut down after 90 minutes of listening time, and the "sleep icon" means that the radio is in a sleep timer state. When the sleep timer "time number" on the display is flashing, you can repeatedly press the "sleep switch" button. The sleep time can be selected from: "90-60-45-30-15-10-OFF" minutes, when Select "OFF" to cancel the sleep timer function. listening program during the sleep timer, when you press the "POWER" button, you can turn off the radio function in advance and automatically return to the clock state standby.
In the radio mode, single press the button once, you can query the remaining time of the sleep timer, if you press it again, you can change the sleep timer parameters!
Note: Press and hold the "LOCK_SLEEP" button for more than 2 seconds. This button is the "key lock" function. The "lock" symbol is displayed on the screen and then release the hand. At this moment, the "lock" symbol flashes, indicating that all key functions have been locked (key Does not work). If you need to unlock, you need to press and hold the "LOCK_SLEEP" button for more than 2 seconds until the "lock" symbol on the screen disappears, then release the lock, the lock is released, and other key functions return to normal use.
<5>, clock setting (TIME)
(1) Press and hold the "TIME" button for 2 seconds, the screen displays "12/24" flashing and the 12/24 hour format can be selected. The time display starts at 12:00 AM (morning) when the battery is installed for the first time. The clock setting must be set under the clock display interface. The clock setting button and the radio setting button can be used in combination. When the 12/24 hour format setting item is flashing, press the "TUNING_UP" button or the "TUNING_DOWN" button to switch the clock format. If there is no operation for 5 seconds, the system will automatically exit the current setting.
(2) Press the "TIME" button again following the above steps, the 12:00 hour digit displayed on the screen is blinking continuously, press the "TUNING_UP" button or press the "TUNING_DOWN" button to change the hour and time. The hour changes rapidly after staying for more than 2 seconds. When there is no operation within 5 seconds, the system will automatically exit the current setting.
(3). Press the "TIME" button for the third time following the above steps, the 00 minute time position displayed on the screen is blinking continuously, press the "TUNING_UP" button or press the "TUNING_DOWN" button to change the minute time, when you press The minutes change rapidly after staying for more than 2 seconds. When there is no operation within 5 seconds, the system will automatically exit the current setting.
(4). Press the "TIME" button for the fourth time following the steps above, the system exits the current setting. Note: The current time is divided into 12-hour and 24-hour formats. The "AM" icon lights up to indicate the morning time, and the "PM" icon lights up to indicate 12 o'clock in the afternoon. This is the 12-hour format. If there is no AM/PM symbol, it is a 24-hour format!
<6>, Timing start time setting (ALARM)
The ALARM timing power-on time setting must be set in the clock display mode, and the ALARM timing power-on setting button is used in combination with the radio function button.
(1) Press and hold the "ALARM" key for 2 seconds, the AL (alarm) hour time digit displayed on the screen will flash continuously, press the "TUNING_UP" key or "TUNING_DOWN" key to change the AL hour time. After pressing the button for more than 2 seconds, the AL hour time will change quickly. When there is no operation within 5 seconds, the system will automatically exit the current setting.
(2) Refer to the previous operation for the setting of AL minutes. Press the "ALARM" key for the third time to exit the setting.
<7>, timing switch (ALARM_ON/OFF)
The ALARM_ON/OFF timing power-on switch setting must be set in the clock display mode. The LARM_ON/OFF timing power-on switch setting button is used in combination with the radio function button.
Press and hold the "AL_ON/OFF" key for 2 seconds, the "alarm" icon is displayed on the screen, indicating that the AL function is turned on, and then pressing for 2 seconds, the "alarm" icon disappears, indicating that the AL function is turned off.
<8>, band selection (AM/FM)
After selecting one of the above two methods to turn on the listening function, press the band switch button once to select the band program you like. The band change for each single press is: FM frequency modulation, AM amplitude modulation (medium wave), SW amplitude modulation (short wave) cycle.
<9>, scan and store radio stations
In any band in the listening state, press and hold the "TIME" button for more than 2 seconds to scan the storage mode. The frequency of the current radio station will increase rapidly. During the increment process, if a radio station with a program is encountered, it will be automatically stored in Inside the memory chip. The display on the screen means that the first radio frequency is stored, and it means the second radio frequency is stored. When the number of stored radio stations is equal to or the radio frequency increases to the highest point (high end), the scanning storage state ends immediately and the radio returns to the stored program The radio station may return to the lowest frequency (low end) state.
<10>, M+/M-storage and access
Long press the ALARM key for the "M-" function, long press the ALARM_ON/OFF key for the "M+" function.
In any band in the listening state, press the "M+" or "M-" button for storing and reading stations, The address number of frequency storage is incremented by one unit or decremented by one unit, and the address number is high (see the number of stored stations for the highest point). The user can quickly change programs by pressing the "M+" or "M-" button. To save the current radio frequency, press and hold the "M+" button or the "M-" button without releasing your finger until the "PRE" symbol appears, While the symbol is flashing, quickly press the "M+" or "M-" key to select the address you want to keep.
Note: To use the M+/M- storage address number to realize the station selection function, you must first complete the scan of the relevant band to store the radio program or manually store the station to make sense, otherwise pressing the select station key can only return to the lowest radio frequency.
<11>, whip antenna function description
The whip antenna is very important to the receiving performance of the product. It is recommended to use a 75 cm length FM dedicated whip antenna for this machine. When listening to FM radio or shortwave SW radio program, you need to turn on the telescopic antenna. When you receive a radio program, slowly rotate the angle of the telescopic antenna by hand until the sound of the radio is clear and loud. For radio programs in different directions, the whip antenna needs to be rotated at different angles. By adjusting the angle of the antenna, the receiver can achieve the best reception effect. In addition, a whip antenna is not required to receive MW mid-wave band programs, it relies on a magnetic rod coil to receive signals. If you want better reception, you must turn the body of the unit to find the direction where the radio station is the loudest.
<12>, screen display content description 
Notice:
1. Pay attention to the polarity of the power supply;
2. Pay attention to the positive and negative polarity of the speaker output port. The speaker output will automatically turn off the output after the earphone is plugged in.
3. If you want to receive MW mid-wave band signals, you need to weld the two wires of the magnetic rod antenna to the two points of the AM antenna port L-/L+ of the board (no need to separate polarity), and you don’t need to connect to the mid-wave signal if you don’t listen Stick antenna.
Packing List:
1pcs x Radio module
3pcs x Connecting wires
1pcs x Medium wave magnetic rod antenna
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