Gocom GD100 User manual

Rev.2
User's Manual
Digital Radio

1
To Users
Thank you for purchasing our product! This Manual is designed to
make you quickly grasp use of this device. In order to avoid physical
injury or property loss due to improper operation, please read this
Manual carefully before using this device.
Notice
The device meets the requirements of FCC PART 90, PART 97 and
PART 15. Local laws and regulations shall be complied with when
setting up or using the equipment, and corresponding qualifications
and relevant procedures shall be obtained if necessary. Consulting the
relevant authorities is suggested.
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 o󰀨 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 di󰀨erent from that
to which the receiver is connected.
·Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions:
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(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
ISEDC RSS warning
This product meets the applicable Industry Canada technical
specifications. / Le présent matériel est conforme aux specifications
techniques applicables d’Industrie Canada.
RF Radiation Information
1. This product is limited to occupational applications that can meet
RF energy radiation requirements. The user must be fully aware of
the RF radiation hazards and can take corresponding measures to
meet the RF radiation limitation requirements.
2. Radio frequency (RF) refers to the electromagnetic frequency that
can be radiated into space. It is a widely used technology in the
elds of communication, medical treatment, and food processing. It
will generate certain RF radiation during use.
Safety Information
In order to use the radio safely and e󰀩ciently, please read the following
safety information:
·The radio can only be maintained by professional technicians. Do not
disassemble the radio without permission.
·Only the batteries and chargers specied by our company can be
used.
·To avoid problems caused by electromagnetic interference and
electromagnetic compatibility, please turn o󰀨 the radio in places
where the "Please turn o󰀨 the radio" sign is displayed, such as
hospitals and other health care places. When taking the ight, please
turn o󰀨 the radio if the crew requests to do so.
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·In vehicles with airbags, do not place the radio in the area where
airbag deployment may be involved.
·Please turn o󰀨 the radio before entering ammable or explosive
environment.
·Do not replace or charge the battery in a ammable or explosive
environment.
·Please turn o󰀨 the radio before approaching the blasting area and
the detonator area.
·Do not use the radio with damaged antenna. A damaged antenna
may cause minor burns when it comes into contact with the skin.
·Do not expose the radio to direct sunlight for a long time or place it
near the heating Radio.
·If you wear a portable radio, make sure the antenna is at least 2.5
cm away from your body when the radio is transmitting.
WARNING:
Changes or modications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to
operate the equipment.
CAUTION:
Use the approved charger to charge the battery. The remaining
lithium-ion battery is limited to 30% pursuant to the new lithium battery
shipment regulation approved by International Air Transport Association
(IATA). Before use, charge the battery. It is recommended that the radio
remain powered o󰀨 during charging.
Use of battery not recommend or replaced with incorrect type of battery
may result in a risk of re and explosion or personal injury.
Maximum ambient temperature around the power supply equipment
including charger must not exceed 40℃(104ºF) and device operating
temperature not exceed 55℃(131ºF).

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RF Exposure Compliance and Control Guidelines and
Operating Instructions
To control your exposure and ensure compliance with the occupational/
controlled environment
exposure limits always adhere to the following procedures.
Guidelines:
• Do not remove the RF Exposure Label from the device.
• User awareness instructions should accompany device when
transferred to other users.
• Do not use this device if the operational requirements described
herein are not met.
Operating Instructions:
• Transmit no more than the rated duty factor of 50% of the time.
To transmit (talk), push the Push-To-Talk (PTT) button. To receive
calls, release the PTT button. Transmitting 50 % of the time, or
less, is important because this radio generates measurable RF
energy exposure only when transmitting (in terms of measuring for
standards compliance).
• Hold the radio in a vertical position in front of face with the
microphone (and the other parts of the radio, including the antenna)
at least one inch (2.5 cm) away from the nose. Keeping the radio at
the proper distance is important because RF exposures decrease
with distance from the antenna. Antenna should be kept away from
eyes.
• When worn on the body, always place the radio in approved clip,
holder, holster, case, or body harness for this product. Use of non-
approved accessories may result in exposure levels, which exceed
the occupational/controlled environment RF exposure limits.
• Use only manufacturer’s approved supplied or replacement
antennas, batteries, and accessories. Use of non-manufacturer-
name approved antennas, batteries, and accessories may exceed
the FCC and IC RF exposure guidelines.

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• For a list approved accessories please consult your local dealer for
information.
European Union (EU) Waste of Electrical and Electronic
Equipment (WEEE) directive：
The European Union's WEEE directive requires that products sold into
EU countries must have the crossed out trash bin label on the product
(or the package in some cases). As dened by the WEEE directive, this
cross-out trash bin label means that customers and end-users in EU
countries.
EXPOSURE RF compliance
et Lignes de contrôle et
Instructions opérationnelles
contrôle et Instructions opérationnelles
Pour contrôler votre exposition et garantir le respect des limites
d'exposition dans un environnement professionnel / contrôlé, suivez
toujours les procédures suivantes.
Des lignes directrices:
• Ne retirez pas l'étiquette d'exposition RF de l'appareil.
• Les instructions de sensibilisation des utilisateurs doivent
accompagner l'appareil lors de leur transfert à d'autres utilisateurs.
• N'utilisez pas cet appareil si les exigences opérationnelles décrites ici
ne sont pas remplies.
Mode d'emploi:
• Ne transmet pas plus que le facteur de marche nominal de 50%
du temps. Pour transmettre (parler), appuyez sur le bouton Push-
To-Talk (PTT). Pour recevoir des appels, relâchez le bouton PTT.
La transmission 50% du temps, ou moins, est importante car cette
radio génère une exposition mesurable à l'énergie RF uniquement

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lors de la transmission (en termes de mesure pour la conformité aux
normes).
• Tenez la radio en position verticale devant le visage avec le
microphone (et les autres parties de la radio, y compris l'antenne)
à au moins 2,5 cm du nez. Garder la radio à la bonne distance est
important car les expositions RF diminuent avec la distance de
l'antenne. L'antenne doit être tenue à l'écart des yeux.
• Lorsqu'elle est portée sur le corps, placez toujours la radio dans
un clip, un support, un étui, un étui ou un harnais de sécurité
approuvés pour ce produit. L'utilisation d'accessoires non approuvés
peut entraîner des niveaux d'exposition qui dépassent les limites
d'exposition aux RF de l'environnement professionnel / contrôlé.
Using Tips
Max. SAR Level(s) Reported Limit (W/Kg)
3.20 W/kg 1g Head SAR
5.88 W/kg 1g Body SAR 8.0
INFORMATION CONCERNING SAR FOR FCC
Know the Radio

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Using Tips
INFORMATION CONCERNING SAR FOR FCC
User Interface
Know the Radio

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About the Device
1 Antenna
12
Channel knob
2 P1 key
Power switch/volume
control knob
3 PTT key
Alarm key
4 P2 key
LED indicator
5
Accessory port
6
Speaker
7
Microphone
8
Battery Latch
9
10
11
Know the Radio
Radio LED Indicators
Radio Status LED Indication
Standby Blinking Green
Low Battery Blinking Red
Transmit (TX)Solid Red
Receive (RX)Solid Green
Programming Mode (Read
from Radio)Fast Blinking Red
Programming Mode (Write to
Radio)Fast Blinking Red
Know the Radio

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Know the Radio
Power On/O󰀨 and Volume Control
Turn the power switch knob to turn on/o󰀨
the radio normally.
Note: The battery needs to be charged,
otherwise the radio cannot be turned on
under low power state.
Power on/o󰀨:
In standby state, turn the knob clockwise/
counterclockwise to adjust the volume
that ts your ears.
Volume control:
Know the Radio
Battery Installation
Note: If you need to remove
the battery, please turn o󰀨 the
radio rst, then lift up the bottom
battery latch and take out the
battery pack.

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Belt Clip Installation
Step 1: Remove the belt clip
screws from the device.
Step 2: Align the radio screw
holes on the belt clip, and then
tighten the screws.
Antenna Installation
Note: Do not hold the radio
by its antenna; otherwise, the
performance and service life of
radio may be a󰀨ected.
Know the Radio
Accessory Installation
Step 1: Open the accessory
connector cover.
Step 2: Align the plug of the
accessory (matching headset
or programming cable) with the
accessory connector.
Step 3: Insert the accessory properly
into the accessory connector.
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Know the Radio
Charging Function
Device charging Battery pack charging
The charger tray can support to charge either radio or battery pack.
Know the Radio
LED lndicator Charge Status
LED no light No load
LED glows red Charging
LED glows green Fully Charged
Charge Indicator
Charging precautions:
·Please use the original charger tray of the model for charging.
· When charging, it is recommended that the radio remain powered o󰀨
during charging.
·To obtain the best battery performance, please charge for at least 5
hours for the rst time.
·Do not charge the battery pack overnight, otherwise it will affect
the battery pack life. When the battery is fully charged, please stop
charging in time.
·The charger can only be used to charge the battery pack of the
product. Do not use it to charge other battery packs, otherwise the
charger and battery pack may be damaged.

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Channel and Zone Selection
Rotate the [Channel
Selection] knob clockwise or
counterclockwise to switch to the
desired channel.
Know the Radio
Zone:
A zone is a group of channels. User can include the channels with
same property into a zone, which facilitates user to e󰀨ectively manage
existing channels. This product supports a maximum of 16 zones and
32 channels in each zone. Before selecting zone, make sure that the
zone contains the required channel.
To select a zone, press the preprogrammed [Zone Up]/[Zone Down]
shortcut key (P1/P2).
·The battery pack should be stored in a cool and dry place after being
fully charged. Do not expose the battery pack near the re or to the
sun, otherwise there are safety risks.
·During charging, it is not recommended to transmit the radio.
·The battery pack may slightly heat up during charging, which is a
normal phenomenon.
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Know the Radio
Transmitting/Receiving
After starting up successfully, the user can conduct various call
operations.
Precautions for radio use:
·When the radio is transmitting, keep the radio in a vertical position,
and keep the microphone 2.5-5 cm away from the mouth. When
transmitting, the radio should be at least 2.5 cm away from the head
or body.
·Do not turn on/off the radio repeatedly during use, and adjust the
volume to a level suitable for your hearing.
Precautions for radio operation:
1. Before using the radio for communication, please set the transmitter
and receiver to the same frequency point.
2. After the analog channel is configured with the same sub-code
frequency, the radios can communicate normally; radios with
mismatched sub-code cannot communicate.
3. After encrypting the digital channel, the receiver and transmitter
need to set the same password in order to perform normal
communication.
4. If the digital channel sets the color code, only when the transmitting
color code and receiving color code are the same can the radios
communicate.
5. Transmit/receive at high/low power (switch by P1/P2 key).
6. After inserting the headset, press the [PTT] key to transmit and
receive speech through the headset.
7. Transmit with VOX headset after enabling VOX (turn on/off VOX
through side key and insert the VOX headset).
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Features

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Program Button
User can congure program button functions via programming
software. Corresponding features as below:
- Emergency Alarm
- Zone Selection
- One Touch Call
- DM On/O󰀨
- High/Low Power Switch
- Scan On/O󰀨
- VOX On/O󰀨
Device Name Conguration and
Modication
1. Enter the basic setting interface of programming software to
congure or modify the device name.
2. Device name can support: Letters, numbers, Chinese, special
characters, etc.
Device ID
1. The device ID is related to the private call contact, and the ID range
is 1 to 16776415.
2. When using a private call contact to call, select device ID of the
other party.
Password Conguration
1. To prevent information leakage, you can set the reading and writing
password through programming software.
2. Each time you read or write, you must enter the correct 8-digit
password before operating.
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3. To cancel the password, clear the password and conrm.
4. To change the password, key in the old password rst, and then
enter the new password to rewrite.
5. When you forget the password, you can perform factory reset or
reprogram it.
Sub-Code Frequency Conguration
1. The sub-code frequency supports CTCSS, DCS positive code, DCS
reverse code, standard sub-code and non-standard sub-code.
2. Only when the transmitting sub-code and receiving sub-code are
the same can they communicate to each other.
3. A radio with sub-code can transmit to radio without, but cannot
receive signal without sub-code.
Scan List Conguration
1. The scan list can contain analog channels and digital channels.
2. After conguring the scan list, the scan switch should be turned on.
3. Turn on/o󰀨 the scan list through preprogrammed [P1/P2] key.
4. During scanning, the channels scanned include the channels in the
scan list and the current main channel.
5. When any channel in the scan list is transmitting a signal, it will stay
on that channel upon signal detection.
High/Low Power
1. Set the high/low power through preprogrammed [P1/P2]key.
2. The programming software can set the high/low power for each
channel according to the use condition.
3. If set to high power, the transmission distance is long, but with
higher power consumption, which may shorten the battery life.
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4. If set to low power, the transmission distance is short, but the low
power consumption.
DTMF Conguration
1. The DTMF interface of the programming software can congure
the DTMF function related parameters, such as side tone,
duration, interval time, online telegram code, o󰀪ine telegram code,
transmission start sound, transmission end sound, transmission
start and end sound.
2. After the transmitter turns on the side tone, when the [PTT] key is
pressed to transmit, the transmitter itself will also give DTMF sound.
Emergency Call
1. Congure functions of the alarm system through programming
software, such as alarm channel, re-transmission times, and alarm
type.
2. Emergency call supports the digital channel and analog channel.
3. Set Alarm key as the“Emergency Call” button .
4. When Analog or Digital channel triggers emergency call, an
emergency call code will be sent. Emergency call will be
automatically transmitted after remaining re-transmit call becomes 0,
and automatic emergency calls will repeat transmit twice.
5. The transmitter will sound the alert tone after the emergency call is
sent. Receiver side also will receive an alert tone after receiving the
emergency call.
Digital Encryption
1. Add encryption through programming software, which only supports
basic encryption, maximum 8 characters.
2. Supported characters include: numbers, uppercase letters,
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lowercase letters.
3. The same encryption template must be congured for transmitter
and receiver for normal intercom, otherwise the speech content
cannot be heard clearly.
4. The main purpose is to prevent the content of the speech from
being monitored by other people at the same frequency.
Color Code
The color code can identify a system. Users who need to communicate
with each other must set the same color code. The radios does not
respond to channel activities that do not match the preset color code.
1. Set the color code though programming software.
2. The color code range of this product can be set: 0~15.
Contacts
1. Contacts are only valid for digital channels.
2. There are three kinds of contacts: private call, group call and all
call; and each digital channel needs to be set through programming
software.
3. When making private call, only when the frequency is the same, the other
party's ID exists and is in standby state communication can be made.
4. When making group call, pay attention to whether the contact is in
the receiving group, and all radios in the same receiving group can
receive the speech.
5. When making all call, all channels with the same frequency can
receive the speech, and the all call ID is xed.
Call Alert (Private call only)
Call alert can be used to get a hold of someone quickly for requesting
the recipient to call back. Call alert are repeated until response to. To
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respond, the recipient can talk back.
1. Congure “One touch call” through CPS and send “Call Alert”.
2. After “Call Alert” is sent successfully, it will prompt a beep sound
,otherwise error tone will sound.
3. When “Call Alert” is received, alert tone will continue to sound.
Remote Monitor (Private call only)
Remote monitor is used to send a command to the other party, and the
other party’s device sends a voice to the command sender in a secret
state to achieve the purpose of monitoring the other party.
1. The transmission duration of monitoring voice can be congured
through CPS.
2. The monitored party’s device sends voices secretly without any alert
on the interface.
3. Congure “One touch call” through CPS and send “Remote Monitor”.
Radio Check (Private call only)
Radio check is used to check whether it can communicate normally
with the other party.
1. Congure “One touch call” through CPS to send “Radio Check”.
2. After “Radio Check”is sent successfully, it will prompt a beep sound
, otherwise error tone will sound.
3. After “Radio Check” is received, there will be no interface alert, and
the device will automatically reply.
Remote Kill (Private call only)
1. Congure remote kill feature through programming software.
2. Press programmable key to execute remote kill command.
Note: The other party cannot operate normally after remote kill,
including intercom, menu operation and shutdown.
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Features
Activate
(Private call only)
1. The activation command is to remove kill status.
2. After sending activation command, it can change the other party
from remote kill state to active state. After restarting, it can be used
normally.
Voice Control Function
1. Preset the [Program] key to [VOX On/O󰀨] key through programming
software.
2. Press the [VOX On/O󰀨] key to turn on/o󰀨 the voice control function.
VOX levels can be preset through programming software: Level 1,
Level 2, and Level 3, where Level 3 is the most sensitive. When the
radio VOX function is on, the preset VOX level is used.
TOT Function
In order to prevent some users from occupying the same channel for a
long time, users can set to enable the TOT function. When the user's
continuous transmission time on the current channel reaches the TOT
duration, the radio will stop transmitting and the speaker will give a
time-limit prompt tone. You can set the time out timer via programming
software. By default is 60 seconds. When OFF is selected, user can
transmit continuously.
Squelch Step (SQ)
1. SQ is only valid for analog channels.
2. SQ can be congured through programming software only.
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