Samyoung SY4050-LM Installation and operation manual

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
SY4050-LM DMR/FM Terminal
User Manual
Date Prepared by Checked by Approved by
04-Mar-2015
SAMYOUNG TECH. CO.,LTD
110 Gumdan-ro, Seo-gu, Incheon 404-300 Korea
TEL : [phone]
FAX : [phone]
http:/ www.sytcl.co.kr

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
Revision History
Revision Date Author Status/Comments
1.0 04-Mar-2015 Initial Release
1.1 01-June-2015 Minor update
1.2 17-June-2015 Add specification
CONTENTS
==============================================================
1. Radio Overview ............................................................................................................ 3
2. Status Indication ............................................................................................................ 4
3. Menu Navigation ......................................................................................................... 6
4. Basic Operation ............................................................................................................ 7
5. Call Services ................................................................................................................... 7
6. Features and Operations ............................................................................................... 9
==============================================================

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
1. Radio Overview
⑯ ⑰⑱
No. Part Name No. Part Name No. Part Name No. Part Name
1 PTT Key 6 Speaker 11 Back Key 16 Belt Clip
2 Soft Key-1 7 LCD 12 Microphone 17 Battery
3 Soft Key-2 8 Menu/Enter/OK
Key
13 Power/Volume
Control Knob
18 Battery Latch
4 Antenna 9 Down Key 14 Emergency
Alarm Key
5 LED Indicator 10 Up Key 15 Accessory Jack
①
⑤
②
③
④
⑥
⑦
⑧
⑨ ⑩
⑪
⑫
⑬
⑭
⑮⑯
⑰
⑱

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
2. Status Indication
2.1 LED Indicator
The top LED indicator will help you easily identify the current radio status.
LED Indicator Radio Status
Blinks YELLOW Receiving, Carrier detected
Glows YELLOW Receiving, Call match
Blinks ORANGE Channel scanning
Glows RED Transmitting

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2.2 LCD Icons
Icon Name Icon Radio Status
RSSI The number of bars represents the radio signal strength
Tx Power Level Low power level of the current channel
High power level of the current channel
Operation Mode Direct Mode(Talkaround) operation: Radios communicates with
each other directly
Repeater Mode operation: Radios communicates
with each other via a repeater
Scan Radio is under scanning channels
Radio detects activity on a channel
Unread Message Indicate the unread incoming message in Inbox
Secure Privacy feature is enabled
Battery
The number of bars represents the charge remaining in battery
Zone Indicates the current zone number
Channel
Indicates the current channel number of Dual-mode
Digital DMR channel is displayed with D(ex, D009)
Analog channel is displayed with A(ex, A001)
Digital and Analog mixed channel is displayed with M(ex,
M003)
Call Indicates Outgoing Individual Call
Indicates Incoming Individual Call
Indicates Outgoing Group Call
Indicates Incoming Group Call
Indicates Outgoing All Call
Indicates Incoming All Call

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
3. Menu Navigation
The following menu list shows all the menus of the radio.
To select and confirm the options shown in the menu, press Menu/Enter key and then press
Up or Down key to select your needed option, finally press Menu/Enter key. To move back the
path of menu, press Back key
1st 2nd 3rd Remarks
Contacts List of Contacts Max 32
Messages Quick Text Message list in Quick Text Max 10
Inbox Message list in Inbox Max 10
Delete All
Outbox Message list in Outbox Max 10
Delete All
Call Log Outgoing Call logs in Outgoing Max 10
Delete All
Incoming Call logs in Incoming Max 10
Delete All
Scan Scan on/off On
Off
Scan List Scan list Max 10
Zone List of Zones Max 32
Settings Radio settings Power Level High/Low
SQ Level Normal/Open/Tight
Keypad Lock On/Off
Backlight Off/On/Timed
LED Off/On
Tone Off/On
Language English/Chinese
Radio Info Radio Id
Serial Number
Model Name
Model Number
Freq Range
SW Ver
BB Ver
Last Pro Date

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
4. Basic Operation
4.1 Power On/Off
Rotate the Radio On-Off/Volume Control knob clockwise until a click is heard to turn on the radio. The
LED lights up solid red and the beeper indication is played
To turn off the radio, rotate the same knob counterclockwise until a click is heard
4.2 Adjust Volume
After turning on the radio, rotate the Radio On-Off/Volume Control knob clockwise to increase the
volume, or counterclockwise to decrease the volume.
4.3 Selecting a zone
A zone is a group of channels. User can include a group of channels into a zone. The radio supports
32 zones, each of which consists of up to 16 channels. User can select a zone via one of the following
ways;
Via Menu: Go to Menu > Zone, press Up/Down key to select an appropriate zone, and then
press the Menu/OK key to confirm the selection
Via Programmable key: User can toggle the appropriate zone by pressing the programmed
Zone key preset by your dealer
4.4 Selecting a Channel
Once the zone is selected, press Up/Down key to select a desired channel.
Note: “A” character prior on channel number indicates a conventional Analog channel and “D”
character indicates a conventional Digital channel
5. Call Services
After the radio is powered on, you can make and receive calls. To ensure optimal volume of the
receiving radio, keep the microphone about 2.5 to 5 centimeters away from your mouth when
transmitting.
Individual call
It is a voice call between an individual user and another individual user.

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Group call
It is a voice call between one individual user and a predefined group of users. All parties in
the group can communicate with each other.
All call
It is a one-way voice call from any user to all users on a channel.
User can initiate an individual call, group call or all call on a digital channel through the same
operation
5.1 Make a voice call on Digital channel through Preset contacts
User may ask a dealer to preset a regular individual call, group call and all call contacts for each
digital channel.
1. Select the channel with the active subscriber ID or alias
2. Press and hold down PTT key to make a call. The LED lights up solid red. The second LCD
line shows the outgoing individual/group/all call icon at the left corner and also shows the
target user alias or number.
3. Speak clearly into the microphone
4. The target user can receive the call without any operation. On receiving a call, The LED lights
up solid green. The second LCD line shows the incoming individual/group/all call icon at the
left corner and also shows the originating user alias or number.
5. If the target user does not respond the individual call in the confirmed mode, the radio will
display an appropriate indication-Call Failure.
6. Release PTT key to listen.
7. If there is no voice activity for a predefined period of time(Call Hang Time), the call ends.
5.2 Make a voice call on Digital channel through Contacts or Call Log
1. Select a channel
2. Radio-1 accesses the Contacts list vis “Menu > Contacts > Contacts List” or “Menu >Call Log
> Outgoing/Incoming”
3. Radio-1 press Up/Down key to select a target user, for example, Radio-2
4. Radio-1 press and hold down PTT key to make a call. The LED lights up solid red. The
second LCD line shows the outgoing individual/group call icon at the left corner and also
shows the target user alias or number.
5. Radio-1 speak clearly into the microphone

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6. Radio-2 can receive the call without any operation. On receiving a call, The LED lights up
solid green. The second LCD line shows the incoming individual/group call icon at the left
corner and also shows Radio-1 user alias or number.
7. Release PTT key to listen.
8. If there is no voice activity for a predefined period of time(Call Hang Time), the call ends.
5.3 Make a voice call on Analog channel
The call operation is same as on the digital channel but the called parties are all the users on the
channel rather than the preset contacts for the channel due to no signaling on the analog channel.
6. Features and Operations
6.1 Scanning channels
The Scan feature allows you to listen to communication activities on other channels so that you can
keep a close track of your team members. You can enable and disable the Scan feature, select and
view the Scan List via the following operations:
To enable the Scan feature, go to “Menu -> Scan -> Scan On/Off” and select “On”. To view
or select a scan list, go to “Menu -> Scan -> Scan List”.
In the Home screen user can press the programmed Scan key to turn scan on or off.
During scanning channel, The LED blinks red slowly and the scan icon is displayed on the first line
of LCD
6.2 Sending an emergency alarm
Press Emergency key to activate emergency alarm mode. The Emergency icon appears in LCD
When Emergency alarm acknowledgement is received, the Emergency tone sounds and the LCD
shows “SOS Sent”
If the radio doesn’t receive an Emergency alarm acknowledgement and after all retries have been
exhausted, a tone sounds and the LCD shows “SOS Fail”
The radio exits the Emergency Alarm mode and returns to the Home screen in the predefined
period by CPS
6.3 Sending a Quick text message

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
The radio supports a maximum of 10 Quick Text messages which are preset by a dealer or CPS
SW.
1. User can select a Quick Text message by going to “Menu > Messages > Quick Text”
2. Press Up/Down key to the required Quick Text and press Menu/Enter key to select.
3. Press Up/Down key to the required alias or ID of Contacts and press Menu/Enter key to
select.
4. The LCD shows the progress of sending a message
5. If the message is sent, a tone sounds and the LCD shows a positive notice, “Send
Success”
6. If the message is not sent, a tone sounds and the LCD shows a negative notice, “Send
Fail”
6.4 Contacts
You can manage the contacts via the “Contacts” menu. The Contacts is used to save the Call Alias
(name), Call ID of Private Call and Group Call contacts which is preset by a dealer or CPS(PC SW.)
In the “Contacts” menu, you can check the detailed contact information (such as Call ID).
6.5 Messages
In the Inbox, you can read all received messages, and in the Outbox, you can also read all sent
messages.
6.6 Call Log
The radio keeps track of all recent outgoing and incoming calls
It can store up to 10 call logs. When the Call Log is full, the earliest call log will be overwritten by the
latest one automatically.
6.7 Settings
6.7.1 Radio Settings
User can optimize the operation of your radio via the following configuration according to your actual
needs and preferences.
Tx Power Level
SQ Level(note, applicable in Analog FM mode only)
Keypad Lock
Backlight

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
LED
Tones
Language
6.7.2 Device Info
User can check the basic information of the radio, including Radio Own Id, Serial Number, Model
Name, SW Version, BB Version, etc.
7. Specifications
7.1 General
Frequency range UHF:400-406, 406.1-440MHz
Channel 512 channels
Channel spacing 12.5kHz
Zone Max 32 zones, Max 16 channels per zone
Scan list Max 10 scan lists, Max 16 channels per list
Operating voltage 7.4V
Operating temperature -30°C~+60°C
Store temperature -40°C~+85°C
Antenna impeadence 50Ω
Audio output power ≤1000mW@16Ω
Battery capacity 7.4V 2600mAh standard Li-ion battery
LCD 2 lines BW graphic
ESD IEC61000-4-2 level3
Dust & Water proof IEC60529-IP67
Dimension(H*W*D) 105*51*33mm(not including antenna)
Weight 270g

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7.2 Transmitter
RF Output power High: ≤5W Low: ≤2W
FSK error 1.5% (typ.)
Magnitude error <0.3%
Symbol deviation error 1944Hz (±10%)
Adjacent channel power 60dB
Adjacent channel transient power(up/down) 50dB
Modulation limiting ±2.5KHz
FM hum & noise -40dB
Conducted radiated spurious emission <-36dBm
Frequency error ±1.0ppm
Audio distortion 3%
Digital protocol ETSI TS 102 361-1, -2, -3
Vocoder type AMBE+2
7.3 Receiver
Digital sensitivity(5% BER) 0.22uV
Adjacent channel selectivity >63dB
Intermodulation distortion >70dB
Spurious rejection >70dB
Blocking >90dB
Hum and noise -40dB
Audio response +1dB ~ -3dB
Conducted spurious emission -57dBm

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
Attention In case of Use
This transceiver works on frequencies which are not generally permitted.
For frequency allocation, apply for a licence at your local spectrum management authority.
For actual usage contact your dealer or sales shop in order to get your transceiver adjusted to the
al-located frequency range.
Important Notice for North American Users Regarding 406 MHz Guard Band
The U.S. Coast Guard and National Oceanographic and Atmospheric Administration have
requested the cooperation of the U.S. Federal Communications Commission in preserving the
integrity of the protected frequency range 406.0 to 406.1 MHz, which is reserved for use by
distress beacons. Do not attempt to program this apparatus, under any circumstances, for
operation in the frequency range 406.0 - 406.1 MHz if the apparatus is to be used in or near
North America.
Warning - Frequency band 406 - 406.1 MHz is reserved for use ONLY as a distress beacon by the
US Coast Guard and NOAA. Under no circumstance should this frequency band be part of the
preprogrammed operating frequencies of this radio.
Warning! FCC RF Exposure Requirements
This Radio has been tested and complies with the Federal Communications Commission (FCC) RF
exposure limits for Occupational Use/Controlled exposure environment. In addition, it complies with
the following Standards and Guidelines:
FCC 96-326, Guidelines for Evaluating the Environmental Effects of Radio-Frequency
Radiation.
FCC 47C.F.R 2.1091, 2.1093, 1.1310, Evaluating Compliance with FCC Guidelines for
Human Exposure to Radio Frequency Electromagnetic Fields.
ANSI/IEEE C95.1-1992, IEEE Standard for Safety Levels with Respect to Human Exposure
to Radio Frequency Electromagnetic Fields, 3kHz to 300 GHz.
ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement of Potentially Hazardous
Electromagnetic Fields-RF and Microwave.

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
WARNING: This radio generates RF electromagnetic energy during transmit mode. This radio is
designed for and classified as
Occupational Use Only , meaning it must be used only during the
course of employment by individuals aware of the hazards, and the ways to minimize such hazards.
This radio is not intended for use by the
General Population in an uncontrolled environment.
Operational Instructions and Training Guidelines
CAUTION: To ensure that your expose to RF electromagnetic energy is within the FCC allowable
limits for occupational use, always adhere to the following guidelines:
Please read this manual carefully to become familiar with the features of this transceiver.
Do not transmit the radio without an antenna connected.
This radio is NOT approved for use by the general population in an uncontrolled environment.
This radio is restricted to occupational use, work related operations only where the radio
operator must have the knowledge to control its RF exposure conditions.
When transmitting, hold the radio in a vertical position with its microphone 1 to 2 inches (2.5
to 5 cm) away from your mouth and keep the antenna at least 1 inch (2.5cm) away from your
head and body.
The radio must be used with a maximum operating duty cycle not exceeding 50 %, in typical
Push-to-Talk (PTT) configurations. DO NOT transmit for more than 50 % of total radio use
time (50 % duty cycle). Transmitting more than 50 % of the time can cause FCC RF
exposure compliance requirements to be exceeded.
The radio is transmitting when the red LED on the top of the radio is illuminated. You can
cause the radio to transmit by pressing the PTT button.
When operate the radio with the belt-clip, make the transmission time as short as possible,
to keep the Body Worn configuration.
Battery Pack shall not be exposed to excessive heat such as sunshine, fire or the like.
Always use Samyoung Co.,Ltd authorized accessories.

The information listed above provides the user with the information needed to make him or her aware
of RF exposure, and what to do to assure that this radio operates with the FCC RF exposure limits of
this radio.

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Copyright ⓒ 2015 SAMYOUNG TECH.CO.,LTD
Electromagnetic Interference/Compatibility
During transmissions, this radio generates RF energy that can possibly cause interference with other
devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to
do so.
Do not operate the transmitter in areas that are sensitive to electromagnetic radiation such as
hospitals, health care facilities, aircraft, and blasting sites.
FCC License Information
This radio operates on communications frequencies which are subject to FCC (Federal
Communications Commission) Rules and Regulations. FCC Rules require that all operators using
Private Land Mobile radio frequencies obtain a radio license before operating their equipment.
FCC Information
For a Class B digital device or peripheral:
the instructions furnished the user shall include the following or similar statement, placed in a
prominent location in the text of the manual:
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.
CAUTION: Changes or modifications to this transceiver, not expressly approved by Samyoung co.,Ltd,
could void your authority to operate this transceiver under FCC regulations.