JINGTONG JT-988 USER MANUALl

JINGTONG JT-988 USER MANUAL

The JINGTONG JT-988 is a handheld two-way radio that operates on the UHF band. It has many features that make it suitable for various scenarios, such as VOX, LED flashlight, FM radio, voice guide, and sound alarm. In this article, we will provide you with a complete user manual for the JINGTONG JT-988, covering its specifications, functions, operations, and troubleshooting tips.

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Specifications

The JINGTONG JT-988 has the following specifications:

Item

Specification

Frequency range

400-470 MHz

Channel capacity

16

Output power

5 W

Battery capacity

1500 mAh Li-ion

Operating voltage

7.4 V DC

Antenna impedance

50 Ω

Modulation mode

F3E (FM)

Spurious emission

Frequency stability

2.5 ppm

Functions

The JINGTONG JT-988 has the following functions: - VOX: This function allows you to transmit without pressing the PTT button. You can adjust the VOX sensitivity level from 1 to 10. To activate the VOX function, press and hold the MENU button for 3 seconds until you hear a beep and see "VOX" on the display. To deactivate the VOX function, press and hold the MENU button again for 3 seconds until you hear a beep and see "OFF" on the display. - LED flashlight: This function allows you to use the radio as a flashlight. To turn on the LED flashlight, press and hold the CALL button for 3 seconds until you see "ON" on the display. To turn off the LED flashlight, press and hold the CALL button again for 3 seconds until you see "OFF" on the display. - FM radio: This function allows you to listen to FM radio stations. To enter the FM radio mode, press and hold the MONI button for 3 seconds until you hear a beep and see "FM" on the display. To exit the FM radio mode, press and hold the MONI button again for 3 seconds until you hear a beep and see "OFF" on the display. You can use the UP and DOWN buttons to select the FM frequency. You can also store up to 10 FM channels in memory by pressing and holding one of the number buttons (0-9) for 3 seconds. - Voice guide: This function allows you to hear voice prompts for various operations. To turn on the voice guide, press and hold the SCAN button for 3 seconds until you hear a beep and see "ON" on the display. To turn off the voice guide, press and hold the SCAN button again for 3 seconds until you hear a beep and see "OFF" on the display. - Sound alarm: This function allows you to send an alarm sound to other radios on the same frequency. To activate the sound alarm, press and hold the PTT and CALL buttons simultaneously for 3 seconds until you hear a beep and see "ALM" on the display. To deactivate the sound alarm, press any button. Operations

The JINGTONG JT-988 has the following operations: - Power on/off: To turn on the radio, rotate the power/volume knob clockwise until you hear a beep and see "HELLO" on the display. To turn off the radio, rotate the power/volume knob counterclockwise until you hear a beep and see "BYE" on the display. - Volume adjustment: To adjust the volume, rotate the power/volume knob clockwise or counterclockwise. You will hear a beep and see the volume level (1-16) on the display. - Channel selection: To select a channel, press the UP or DOWN button. You will hear a beep and see the channel number (1-16) on the display. You can also use the number buttons (0-9) to directly enter the channel number. - Transmit/receive: To transmit, press and hold the PTT button and speak into the microphone. You will see "TX" on the display. To receive, release the PTT button. You will see "RX" on the display. - Squelch level: To adjust the squelch level, press the MENU button once until you hear a beep and see "SQL" on the display. Then press the UP or DOWN button to select the squelch level (0-9). The higher the squelch level, the stronger the signal required to open the squelch. To confirm the squelch level, press the MENU button again. - CTCSS/DCS code: To set or change the CTCSS/DCS code, press the MENU button twice until you hear a beep and see "CTC" or "DCS" on the display. Then press the UP or DOWN button to select the CTCSS/DCS code (1-38 for CTCSS, 1-83 for DCS). The CTCSS/DCS code is used to filter out unwanted signals from other users on the same frequency. To confirm the CTCSS/DCS code, press the MENU button again. - Scan mode: To enter the scan mode, press the SCAN button once until you hear a beep and see "SCN" on the display. The radio will scan all channels and stop when it detects a signal. To exit the scan mode, press any button. Troubleshooting

If you encounter any problems with your JINGTONG JT-988 radio, you can try the following solutions: - No power: Check if the battery is properly installed and charged. If not, replace or recharge the battery. - No sound: Check if the volume is turned up and if there is any obstruction in the speaker or microphone. If not, try another channel or frequency. - No transmission: Check if the PTT button is pressed and if there is any obstruction in the antenna. If not, try another channel or frequency. - No reception: Check if there is any interference from other devices or sources. If not, try another channel or frequency. - Poor sound quality: Check if there is any damage or dirt on the speaker or microphone. If not, adjust the squelch level or CTCSS/DCS code. Frequently Asked Questions

Here are some of the most frequently asked questions about the JINGTONG JT-988 radio: - Q: How long does the battery last? - A: The battery life depends on how often you use the radio and what functions you use. Generally, a fully charged battery can last for about 8 hours of normal use. - Q: How far can I communicate with this radio? - A: The communication range depends on many factors, such as terrain, weather, obstructions, and interference. Generally, you can expect a range of about 3-5 km in open areas and 1-3 km in urban areas. - Q: How can I program this radio? - A: You can program this radio manually by using the buttons and menu functions. You can also program this radio by using a programming cable and software (not included). You can download the software from [this link]. - Q: How can I reset this radio? - A: You can reset this radio by pressing and holding all four buttons (MENU, SCAN, MONI, CALL) simultaneously for 3 seconds until you hear a beep and see "RESET" on the display. This will restore all settings to factory defaults. Conclusion

We hope this article has helped you understand how to use your JINGTONG JT-988 radio. If you have any questions or feedback, please feel free to contact us at [this email address]. Thank you for choosing JINGTONG products!