Jizhida Technology JT30 User manual

Walkie-talkie
Model：JT30
Walkie-talkie instructions

Knowing the product
Main channel
Sending and
receiving signals
Keyboard lock
Scanning
Power indicator
Volume
Sound
Control
Sub-audio
1.Antenna
2.MIC
3.PTT/CALL
4.Flashlight/SOS
5.Down Key/
monitor
9.Up Key/Search
8.On/Off Key
7.Menu/keypad lock
6.Display Screen
10.Speakers
Front View
Side View
11.Back clip
12.Battery cover
13.Flashlight Light
Overhead view
1. Antenna：Sending and receiving signal antenna, do not grab with hands when working, otherwise it will affect the
quality of communication
2. MI：When firing the voice, please speak 3~5cm away from MI
3. PTT/CALL：Long press to transmit voice, release to receive; short press 2 times in a row to transmit CALL
4. Flashlight/SOS：Short press to turn on/off the flashlight, long press for SOS alarm
5. Down Key/monitor：Short press to the down flip function, long press to monitor the weak signal
6. Display Screen：Product status at a glance with access to various information including: channel number, CTCSS
code, volume and others
7. Menu/keypad lock：Short press to enter the menu settings, long press to lock the keypad button
8. On/Off Key：Long press to turn on/off
9. Up Key/Search：Short press to the up flip function, long press to enter the search for the active channel
10.Speakers：Product Speakers
11.Back clip：Detachable back clip, easy to carry, you can clip the product in your pocket or other places
12.Battery cover：With screw removable battery cover, after loosening the screw can be installed 4 No. 7 / AAA
batteries
13.Flashlight Light：High brightness flashlight for convenient emergency lighting at night
**PS：Each walkie-talkie requires 4 AAA batteries, which are not included in the package. You need to prepare the
batteries first to make the walkie talkie work, we recommend you always use high quality AAA alkaline batteries.

Operation Guide
1.Transmitting/Receiving
Press and hold the PTT key without releasing, speak at a distance of 3~5cm from the MI, you can
transmit the voice to the receiver; release the key is to receive the voice
*Note: The channel and sub-audio of the transmitter and receiver must be the same in order to
communicate properly
2.Launch CALL
Continuous short press PTT key, the intercom will emit a tone, wake up the receiver
3.Turn on/off
You need to prepare 4 AAA batteries for each walkie-talkie to work, please install the batteries
according to the battery polarity marked in the battery compartment, the walkie-talkie will automatically
turn on after installing the batteries; if you want to turn off the phone, you can remove the batteries, or
long press the power button for 3 seconds, the walkie-talkie turns off.Long press for 3 seconds, the walkie-
talkie turns on
4.Channel setting
Short press the menu key once to enter the channel setting, short press the up and down key to set
the channel, press PTT or after 10 seconds to save and exit the setting.
5.Sub-audio setting
Short press the menu key twice to enter the sub-audio setting, short press the up and down keys to
set the sub-audio CTCSS/DCS, each channel has 99 groups of sub-audio settings
6.Sound control setting
Short press the menu key 3 times to enter the VOX setting, Short press the up and down keys to set
the sound control switch, a total of 3 levels can be set,The 3rd gear has the highest sensitivity.
7.Call tone setting
Short press the menu key 4 times, enter the CALL sound setting, short press the up and down keys to
select different tone melodies, a total of 10 groups of melodies can be set
8.Key tone setting
Short press the menu key 5 times to enter the key tone setting, short press the up and down keys to
set the key tone switch.The speaker does not emit sound when the key is operated after the key tone is
turned off
9.Launch end sound setting
Short press the menu key 6 times to enter the end of launch tone setting, short press the up and
down keys to set the tone switch.No more beeps at the end of the launch after the sound is turned off
10.Battery power indication
The battery icon on the screen shows the battery power level, display indicates sufficient
power; display indicates that the battery power has been depleted,at this time the intercom will be
intermittently issued "beep beep" sound alert, then you need to replace the new battery to work properly
11.Adjust the volume
In standby mode, short press the up/down key to adjust the volume, a total of 8 levels of volume can
be adjusted

12.TOT (Timeout Timer)
The role of the timeout timer is to prevent long time occupation of the channel and avoid the intercom
continuous transmitting time is too long, which will lead to the body of the heat. The machine sets the TOT
limit time, when the continuous transmitting time is too long (more than 180s), the walkie-talkie will stop
transmitting. Release the PTT switch, press the PTT switch again to resume transmitting.
13. Monitor function
Long press the down key and do not release,after 3 seconds will into the monitor mode, then the
automatic noise suppression function will be turned off, the intercom will emit "clatter" noise, the intercom
will receive any signal on this channel, generally used when the communication signal is not good,
automatically exit after release the button
14.Search function
Long press the up key do not release,after 3 seconds will into the Scan mode,it will stop scanning when
an active channel is searched,at this point you can press the PTT key and reply on this channel
*Note:If the sub-audio of the machine is "OF", it means ignore the sub-audio search, if the sub-audio of the
transmitter is different from this machine, the other party cannot receive the signal transmitted by this
machine.
15.Flashlight
In power-on mode, short press the flashlight button once, the flashlight light will be lit, and then short
press again to turn it off.
16.Emergency alarm
In an emergency, long press the light button will start the emergency alarm function, the flashlight light
will flash with three long and three short frequencies; the speaker will sound the alarm, and at the same time
will send the alarm sound to other intercoms by wireless signal
Operating frequency 462.55~467.7125MHz
Frequency Stability ±5ppm
Number of channels 22
Operating Voltage DC4.3V~6.6V
RF Power ≤0.5W
Audio Output ≤0.5W
Communication distance
1~3km(Depends on the usage environment)
Sub-audio CTCSS+DCS
During the preparation process of this manual, we strive for the
accuracy and completeness of the content.However, for possible
errors or omissions, the company does not assume any responsibility.
The Company reserves the right to change the product design and
specifications.due to the continuous development of technology, the
product design and specifications are subject to change without
notice

1. Please turn off the intercom before entering a flammable or explosive
environment.
2. Do not replace or charge the battery in flammable or explosive
environments.
3. Do not use walkie talkies with damaged antennas, damaged antenna
contact with the skin may cause minor burns.
4. The repair work of the intercom should only be carried out by
professional technicians, please do not disassemble and install the intercom
by yourself.
5. To avoid problems caused by electromagnetic interference / or
electromagnetic compatibility, please turn off the walkie-talkie at the place
where the "Please turn off the walkie-talkie" sign is posted.
6. This walkie-talkie is not waterproof, so please keep it dry.
7. Do not expose the walkie-talkie to direct sunlight or place it near a
heating device for a long time.
8. When the walkie-talkie is transmitting, keep the walkie-talkie in vertical
position and speak close to the microphone. If you wear your portable
walkie-talkie on your body, make sure that the antenna is at least about 5
cm from your body when the walkie-talkie is transmitting.
User Security Information
For your safe and efficient use of this machine, please read the following safety information
carefully:

FCC Statement
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 receivingantenna.
•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.
Caution: Any changes or modifications to this device not explicitly approved by manufacturer
could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Specific Absorption Rate (SAR) information:
This Communicator meets the government's requirements for exposure to radio
waves. The guidelines are based on standards that were developed by independent
scientific organizations through periodic and thorough evaluation of scientific studies.
The standards include a substantial safety margin designed to assure the safety of all
persons regardless of age or health. FCC RF Exposure Information and Statement
the SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram of tissue. Device
types: Communicator has also been tested against this SAR limit. The device was tested for
typical use of walkie-talkies when the person's face is held at least 25mm. To maintain
compliance with FCC RF exposure requirements, use accessories that maintain an 0mm
separation distance between the user's body and the back of the Walkie Talkie. The use of belt
clips, holsters and similar accessories should not contain metallic components in its assembly.
The use of accessories that do not satisfy these requirements may not comply with FCC RF
exposure requirements, and should be avoided.

Shenzhen Jizhida Technology co.,ltd
Address：1902E,BLDG.C6,HENGFENG IND.CITY ,NO.739,ZHOUSHI RD.,HEZHOU
COMMUNITY ,BAOAN DIST,SHENZHEN,CHINA