HYT Science and Technology Co TC-518V Two-Way Radio TC-518V User Manual TC 518 Owner s manual V00
Shenzhen HYT Science &Technology; Co Ltd Two-Way Radio TC-518V TC 518 Owner s manual V00
User Manual
i
SAFETY TRAINING INFORMATION
W AR N IN G
This HYT radio generates RF electromagnetic energy dur-
ing 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.
This radio has been evaluated for compliance with the FCC limits for Occupational/
Controlled RF exposure when operated at a minumum distance of 2.5 cm from the
user's head or body.In addition, this radio complies with the following Standards and
Guidelines with regard to RF energy and electromagnetic energy levels and evaluation
of such levels for exposure to humans:
• FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Com-
pliance with FCC Guidelines for Human Exposure to Radio Frequency
Electromagnetic Fields.
• American National Standards Institute (C95.1-1992), IEEE Standard
for Safety Levels with Respect to Human Exposure to Radio Frequency
Electromagnetic Fields, 3 kHz to 300 GHz.
• American National Standards Institute (C95.3-1992), IEEE Recom-
mended Practice for the Measurement of Potentially Hazardous Electro-
magnetic Fields– RF and Microwave.
• The following accessories are authorized for use with this product. Use
of accessories other than those specified may result in RF exposure lev-
els exceeding the FCC requirements for wireless RF exposure.; Belt
Clip (MB-94/96F) and Rechargeable Li-ion Battery Pack (BP-230N/
232N).
To ensure that your expose to RF electromagnetic en-
ergy is within the FCC allowable limits for occupational
use, always adhere to the following guidelines:
• DO NOT operate the radio without a proper antenna attached, as this
may damage the radio and may also cause you to exceed FCC RF ex-
posure limits. A proper antenna is the antenna supplied with this radio
by the manufacturer or antenna specifically authorized by the manufac-
turer for use with this radio.
• 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 ex-
posure compliance requirements to be exceeded. The radio is transmit-
ting when “ ” appears on the function display. You can cause the
radio to transmit by pressing the “PTT” switch.
• ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body
when transmitting and only use the HYT belt-clips which are listed on this
page when attaching the radio to your belt, etc., to ensure FCC RF
exposure compliance requirements are not exceeded. To provide the re-
cipients of your transmission the best sound quality, hold the antenna at
least 5 cm (2 inches) from your mouth, and slightly off to one side.
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.
Electromagnetic Interference/Compatibility
During transmissions, this HYT 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 and blasting sites.
Occupational/Controlled Use
The radio transmitter is used in situations in which persons are exposed as
consequence of their employment provided those persons are fully aware of
the potential for exposure and can exercise control over their exposure.
C AU T IO N
FCC INFORMATION FOR TC-518V
This device compliance with Part 90 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 except any interference received,
including interference that may cause undesired operation.
FCC ID: R74TC-518V IC: 5465A-TC518V
TC-518 Owner’s Manual
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Contents
Safety and General Information.............................................................................................. 3
Product Inspection................................................................................................................... 4
Getting Started ......................................................................................................................... 5
Battery Information.................................................................................................................. 8
Antenna Information...............................................................................................................11
Assembly and Disassembly...................................................................................................11
General Radio Operations..................................................................................................... 17
Programmable Auxiliary Functions...................................................................................... 19
Functions and Settings.......................................................................................................... 19
CTCSS/CDCSS.................................................................................................................................19
Battery Save ......................................................................................................................................20
Power Adjust.....................................................................................................................................20
Time-out Timer (TOT) ......................................................................................................................20
Battery Strength Indicator.................................................................................................................20
Monitor / Squelch Off .......................................................................................................................21
Busy Channel Lockout (BCL)...........................................................................................................24
Low Battery Alert..............................................................................................................................24
Voice Operated Transmit (VOX).......................................................................................................24
Compandor........................................................................................................................................25
Scrambler ..........................................................................................................................................25
Troubleshooting..................................................................................................................... 26
Care and Cleaning.................................................................................................................. 27
Optional Accessory ............................................................................................................... 27
Channel Frequency Table...................................................................................................... 27
CTCSS Table 38...................................................................................................................... 28
CDCSS Table (83)................................................................................................................... 29
Glossary.................................................................................................................................. 30
TC-518 Owner’s Manual
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Preface
Thank you for your purchase of the HYT TC-518 radio. TC-518 is a business radio that with
exquisite and ergonomic design, which bring user a fine operation feel. Passing IP54 waterproof
and dustproof certification and utilizing HYTTM audio compandor technology, TC-518 will
definitely assure your every fine communication as you wish.
This easy-to-use radio will deliver you secure, instant and reliable communications at peak
efficiency. Please read this manual carefully before use. The information presented herein will
help you to derive maximum performance from your radio.
MODELS COVERED IN THIS MANUAL
TC-518 VHF Two-way Radio
TC-518 UHF Two-way Radio
TC-518 Owner’s Manual
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Safety and General Information
The following general safety precautions as would normally apply, which should be
observed during all phases of operation, service and repair of this equipment.
◇ Turn off your radio prior to entering any area with a potentially explosive atmosphere.
◇ Do not charge your battery in a potentially explosive atmosphere.
◇ Do not use any portable radio that has a damaged antenna. If a damaged antenna
comes into contact with your skin, a minor burn can result.
◇ This equipment should be serviced by qualified technicians only.
◇ To avoid possible interference with blasting operations, turn off your radio when you are
near electrical blasting caps. In a blasting area or in areas such as hospital site posted
“Turn off two-way radio”; when taking an airplane, please obey the “turn off two-way
radio” instruction of aircrew staff as well.
◇ For vehicles with an air bag, do not place a radio in the area over an air bag or in the air
bag deployment area. Air bags inflate with great force. If a radio is placed in the air bag
deployment area and the air bag inflates, the radio may be propelled with great force
and cause serious injury to occupants of the vehicle.
◇ Do not expose the radio to direct sunlight over a long time, nor place it close to heating
source.
◇ When using your radio, hold the radio in a vertical position with the microphone 3 to 4
centimeters away from your lips.
◇ If you wear a radio on your body when transmitting, ensure the radio and its antenna is
at least 2.5cm away from your body.
TC-518 Owner’s Manual
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Product Inspection
Before unpacking the TC-518 portable radio, please inspect the packaging for signs of damage
and report any damage to your dealer.
Upon unpacking of the TC-518 portable radio, please ensure that all items shipped were
received, report any missing or damaged items to your dealer.
Item Qty. (PCS)
Antenna 1
Belt Clip 1
Strap 1
Battery 1
Charger 1
Switching Power 1
Owner’s Manual 1
Note: 1. Frequency band is marked on the label of antenna. Please refer to the label on the
radio unit for detailed frequency band information.
2. The radio unit is shipped with screws mounted from the factory.
TC-518 Owner’s Manual
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Getting Started
TC-518
① Power Key ② PTT (Push-to-Talk) Key
③ SK1 (programmable
key)
④ SK2
(programmable
key)
⑤ Antenna ⑥ LED Indicator ⑦ Channel Selector Knob
⑧ Volume control
knob
⑨ Microphone ⑩ Speaker ⑪ Battery Latch
⑫ Earpiece Jack and
Programming Port
TC-518 Owner’s Manual
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⑬ Earpiece Cover ⑭ Belt Clip ⑮ Battery ⑯ Belt Clip Screw
⑰ Charging Piece
(1) Power Key
(2)PTT (Push-to-Talk) Key
Used to switch between transmit and receive modes. Hold down the PTT key and speak into the
microphone to transmit, and release it to receive.
(3) SK1 Key
Side key 1, programmable. Your dealer can assign one function to the key via the programming
software.
(4) SK2 Key
Side key 2, programmable. Your dealer can assign one function to the key via the programming
software.
(5) Antenna
(6) LED Indicator
(7) Channel Selector Knob
Rotate the knob to select a desired channel among channels 1 to 16.
(8) Volume Control Knob
Turn the knob up (+) to increase the volume, or down (-) to decrease the volume.
LED Indicator Statuses refer to followings:
Status LED Indication and Alert Tone
Source Radio: Power on the
radio while holding down the
SK2 key.
Target Radio: press the power
key to turn the radio on.
The LED flashes orange once.
User Wired Clone
Source Radio: Power on the
target radio and connect the
cloning cable. Then press the
SK2 key on the source radio to
initiate cloning.
1. The LED flashes red when cloning is in
progress.
2. The red LED goes out when cloning is
completed.
3. The red LED goes out when cloning fails.
TC-518 Owner’s Manual
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Target Radio
1. The LED flashes green when cloning is in
progress.
2. The green LED goes out when cloning is
completed.
Power On
1. The power-on alert tone is heard when the
radio is powered on.
2. When the current channel is idle, beeps are
heard.
Low Battery Alert The LED flashes red and the low pitched tone
is heard every ten seconds.
Transmitting
1. Red LED.
2. When transmission times out, beeps are
heard.
3. TOT Pre-alert: One beep is heard.
Receiving The LED glows green when carrier presents.
Scanning
1. The LED flashes green every 1 second
when detecting.
2. Scan Start Tone (programmable by your
dealer): One beep is heard.
3. Scan Stop Tone (programmable by your
dealer): One beep is heard.
Programming Reading: The LED flashes red.
Writing: The LED flashes green.
Power Adjust
From High to Low Power: The low pitched tone
is heard.
From Low to High Power: The high pitched
tone is heard
VOX/Compandor/Scrambler/Channel Lock
Enable VOX: A high pitched tone is heard.
Disable VOX: Two continuous pitched tones
are heard.
(9) Microphone
(10)Speaker
(11) Battery Latch
(12) Earpiece Jack & Programming Port
(13) Accessory Cover
(14) Belt Clip
(15) Battery
(16) Screw, Belt Clip
(17) Charging Piece
TC-518 Owner’s Manual
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Battery Information
Initial Use
New batteries are shipped uncharged from the factory. Charge a new battery for 5 hours before
initial use. The maximum battery capacity and performance is achieved after three full
charge/discharge cycles. If you notice the battery power runs low, please recharge the battery.
Applicable Battery Packs
To reduce the risk of injury, charge only the battery specified by the manufacturer. Other
batteries may burst, causing bodily injury and damage.
Caution:
1. To avoid risk of personal injury, do not dispose of batteries in a fire!
2. Dispose of batteries according to local regulations (e.g. recycling). Do not dispose as
household waste.
3. Never attempt to disassemble the battery.
Battery Tips
1. When charging your battery, keep it at a temperature among 5℃ - 40℃. Temperature out of
the limit may cause battery leakage or damage.
2. When charging a battery attached to a radio, turn the radio off to ensure a full charge.
3. Do not cut off the power supply or remove the battery when charging a battery.
4. Never charge a battery that is wet. Please dry it with soft cloth prior to charge.
5. The battery will eventually wear out. When the operating time (talk-time and standby time)
is noticeably shorter than normal, it is time to buy a new battery.
To Prolong Battery Life
1. Battery performance will be greatly decreased at a temperature below 0 . A spare battery ℃
is necessary in cold weather. The cold battery unable to work in this situation may work
under room temperature, so keep it for later use.
2. The dust on the battery contact may cause the battery cannot work or charge. Please use
clean dry cloth to wipe it before attaching the battery to the radio.
TC-518 Owner’s Manual
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Battery Storage
1. Fully charge a battery before you store it for a long time, to avoid battery damage due to
over-discharge.
2. Recharge a battery after several months’ storage (Ni-MH & Ni-Cd batteries: 3 months;
Li-Ion & Li-polymer batteries: 6 months), to avoid reducing battery capacity due to
over-discharge.
3. Store your battery in a cool, dry place under room temperature, to reduce self-discharge.
Charging Operation
When the radio flashes red LED and sounds low-pitched tone at intervals of ten seconds,
indicating the battery power is low, please charge the battery by the HYT approved charger. The
charger’s LED indicates the charging progress.
Status Charger LED Remarks
Standby (no-load) Red LED flashes slowly (0.2s on/3s off ) Intelligent rapid-rate
charger only
Battery is charging Red LED solidly glows
Battery is fully
charged
Green LED solidly glows
Error Red LED flashes rapidly (0.2s on/0.2s
off)
Intelligent rapid-rate
charger
TC-518 Owner’s Manual
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Refer to the following procedures:
1. Plug the DC connector of the adapter into the DC socket on the back of the charger.
2. Place the radio with the battery attached, or the battery alone, in the charger.
3. Plug the AC connector of the adapter into the AC outlet socket.
4. Make sure the battery is in well contact with the charging terminals, the charging process
initiates when the red LED lights.
5. The greed LED lights about 3 hours later indicating the battery is fully charged. Then remove
the radio with the battery attached or the battery alone from the charger.
Troubleshooting:
When troubleshooting, always observe the color of the LED.
No LED Indication?
1. Make sure that the power cord is plugged into an appropriate AC outlet.
Red LED flashes rapidly (0.2s on/0.2s off)?
1. Remove the battery from the charger, and:
a) Make sure that it is a HYT authorized battery. Other batteries may not charge.
b) Remove power from the battery charger, and clean the gold metal, charging contacts
of the battery and charger, using a clean dry cloth.
2. The battery temperature may be above 45℃.
3. Defective battery. Please replace it with a new one.
TC-518 Owner’s Manual
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4. Power up the charger and place the battery back into the charger pocket. If the LED
indicator continues to flash red, replace the battery.
Note:
When the battery charger detects the proper battery conditions, rapid charging begins
automatically (steady red LED).
If the battery temperature is above 45℃, the charger will report the fault by flashing red
LED rapidly (0.2s on/0.2s off), and will not charge until the battery temperature is below
45℃, with red LED solidly glows (Ni-MH battery only).
Antenna Information
Stubby antennas are ideal for communication within limited range. Fine and long
antennas optimizes communication coverage, ideal when the radio is worn on the belt
because they are flexible and soft.
Rainy days or forest locations may narrow your communication range, please prepare
in advance to avoid potential inconvenience.
Assembly and Disassembly
Attaching the Battery
Hold the battery and make it close to the top of aluminum chassis, see figure 1. (Note: insert the
tab on the top of battery into the top of battery slot.)
Figure 1
Lightly press the bottom of the battery until a click is heard. By then, the battery latch locks with
TC-518 Owner’s Manual
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the main unit and assembly is finished. See figure 2 below.
Note: if the battery is not well locked, please remove the battery and attach it again.
Figure 2
Removing the Battery
Please turn off the radio first. Then hold the top of radio main unit and press belt clip to make its
tail turn up. Lift the battery latch in the direction of the arrow. See figure 3.
Figure 3
When the bottom of battery is lifted, release the battery latch and take out from the battery slot,
see figure 4 below. (Note: when battery is titled, the angle between battery and main unit can
not be too large so that serious abrasion of the tab in the top of battery is caused.)
TC-518 Owner’s Manual
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Figure 4
Attaching the Antenna
1. Insert the antenna to the big screw thread hole on the top of main unit.
2. Turn the antenna clockwise until it is screwed down, shown as figure 5.
Figure 5
Removing the Antenna
When disassembling antenna, turn the antenna counter-clockwise until it is loosen and screwed
out, shown as figure 6.
TC-518 Owner’s Manual
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Figure 6
Attaching the Belt Clip
① Loose the screw of belt clip from the main unit, fasten the belt clip to the main unit (make
sure the screw holes of belt clip and of aluminum chassis are aligned), clockwise screw
down the belt clip. (See figure 7 below).
TC-518 Owner’s Manual
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Figure 7
Removing the Belt Clip
Turn the screwdriver counter-clockwise to loosen the screw. Please refer to the operations for
attaching the belt clip. See figure 8 below.
Figure 8
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Attaching the Earpiece/Microphone
1. Open (not remove) the accessory cover, shown as figure 9.
Figure 9
2. Plug the audio accessory firmly into the accessory jack, then secure the screw, shown as
figure 10.
Figure 10
TC-518 Owner’s Manual
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Removing the Earpiece/Microphone
Loosen the screw and then remove the audio accessories.
Note: Using the radio with audio accessory may affect the waterproof performance of the radio.
General Radio Operations
Note: See Glossary for definitions of relevant words.
Turn the Radio On/Off
Hold down [Power] key for about 2s to turn the radio on/off, and then radio sounds an alert tone.
(See figure 1)
POWER按键
Figure 1
Adjust the Volume
Press the programmable key set as Squelch Off / Squelch Off Momentary to listen the
background noise, then turn the volume control knob clockwise/counter-clockwise to
increase/decrease the volume. See Glossary for definition of Squelch. As shown in figure 2.
Power Key
TC-518 Owner’s Manual
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-
+
Figure 2
Select a Channel
Turn the channel selector knob to select a channel. (See figure 3 below)
Figure 3
Transmitting
To transmit, press and hold down [PTT] key and talk to microphone to speak. Ensure the radio is
2.5 to 5 centimeters away from your lips.
Receiving
To receive signal, release the [PTT] key.
Talk Range
Flat ground with no obstructions Up to 10 kilometers
Residential area (close to buildings） Up to 5 kilometers
Inside multi-level buildings Up to 20 floors
TC-518 Owner’s Manual
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Programmable Auxiliary Functions
Your dealer may program the SK1, SK2 (long or short press) keys with one of the following
auxiliary functions respectively. See Functions and Settings for the detailed description.
z None
z Power Adjust
z Compandor
z Monitor
z Monitor Momentary (See glossary for definitions of Momentary and Monitor)
z Scan
z Scrambler
z Squelch Off
z Squelch Off Momentary
z VOX
z Illumination
z Battery Strength Indicator
z Channel Lock
Functions and Settings
The following functions are programmable by your dealer.
CTCSS/CDCSS
(See glossary for definitions of CTCSS/CDCSS)
Set up talkgroups with unique CDCSS/CTCSS to prevent unwanted conversations on the same
frequency. See Glossary for definitions of CTCSS and CDCSS.
If CTCSS/CDCSS is set on the current channel, CTCSS/CDCSS match is required for the radio
to unmute to an incoming signal. If CTCSS/CCSS is not set, the radio can receive calls from all
users operating on the same frequency. Your dealer may set CTCSS/CDCSS for some
TC-518 Owner’s Manual
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channels.
This feature does not mean that your conversation will not be heard by others. Radios that set
with the same CTCSS/CDCSS, or no CTCSS/CDCSS, can receive from you.
Battery Save
This feature, when no signal is received or no operation is done, can lower battery consumption
(which can be enabled by your dealer).
The Battery Save feature is automatically activated once no activity on the channel and no
operation performed (no key press and no knob selection), for extended operation time.
Pressing any key or receiving a signal will restore the radio to normal operation and exit from
Battery Save.
See Glossary for the definition of Battery Save.
Power Adjust
A press of the programmed [Power Adjust] key switches the transmit power level between high
and low power.
Time-out Timer (TOT)
Limits the amount of time the radio user can continuously transmit on a channel. If the user
holds down the [PTT] longer than the preprogrammed limit, the radio automatically stops
transmitting, and generates a warning tone until the [PTT] is released.
Your dealer may program the alert tone that sounds before the TOT timer nearly expires.
See Glossary for the definition of Time-out Timer.
Battery Strength Indicator
The TC-518 allows you to simply press one button to illuminate the LED batter gauge, which
emits different indications representing battery strength levels until the key is released.
TC-518 Owner’s Manual
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Battery Strength LED Indication
70% - 100% Green
50% - 70% Orange
30% - 50% Red
10% - 30% No indication is shown when programmable key is pressed; LED
flashes red while radio is operating. While the radio standby, LED
flashes red and a low-pitched tone sounds at intervals of a preset
time. The interval can be set by programming software.
Less than 10% No indication is shown when programmable key is pressed; at
the time, radio can only receive or standby (Tx is disabled). While
the radio standby, LED flashes red and a low-pitched tone
sounds at intervals of a preset time. The interval can be set by
programming software. If [PTT] key is held down, an alert tone
indicating low-voltage Tx inhibt would sound.
Monitor / Squelch Off
z Squelch Off
Causes the radio to forcibly unmute speaker to here activities on the current channel, whatever
the receive condition is. The radio speaker outputs audio when audio signal is present, or
background noise will be heard if no audio signal is detected.
Press the function key to enter the Squelch Off mode, and press it again to exit.
z Squelch Off Momentary
Causes the radio to forcibly unmute speaker to here activities on the current channel, whatever
the receive condition is. The radio speaker outputs audio when audio signal is present, or
background noise will be heard if no audio signal is detected.
Holds down the function key to enter the Squelch Off Momentary mode, and release it to exit.
z Monitor
Carrier condition must be satisfied for the radio to unmute to an incoming call, regardless of
TC-518 Owner’s Manual
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CTCSS/CDCSS condition.
Press the function key to enter Monitor mode, and press it again to exit.
z Monitor Momentary
Carrier condition must be satisfied for the radio to unmute to an incoming call, regardless of
CTCSS/CDCSS condition.
Holds down the function key to enter Monitor Momentary mode, and release it to exit.
Scan
Press the programmed [Scan] key to initiate scanning ascending through the channel numbers
in scan list. Green LED flashes during the scan process, and solidly glows when activity is
detected on a channel and signalling condition is satisfied. Press the key again to exit scanning.
When scanning is active, the radio continuously scans for activity on scan list members. Once
activity is detected on a channel, scanning pauses on the active channel for you to receive
activity. Your dealer can choose channels that you wish to scan and list them in a scan list.
No Priority Channel
Assuming a scan list with 6 channels, if all the channels are non-prioritized, the normal scan
operation would check for activity in the following sequence, as figure 1 has shown.
Figure 1
Priority Channel Scan
If you prioritize Channel 2 as Priority 1, the scan operation would change as figure 2 shown
below.
TC-518 Owner’s Manual
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Figure 2
Scan On/Off
You can enter scan mode through the following two methods:
1. Key operation
Press the programmed [Scan] key to enter scan mode, provided that there’re no less than 2
members in the scan list.
2. Auto
When Auto Scan is enabled for a channel, the radio shall automatically enter scan mode when it
is switched to the channel.
You can exit scan mode through the following three methods:
1. Key operation
Press the programmed [Scan] key to exit scan mode.
2. Auto
The radio automatically exits from scan mode when it is switched to another channel.
3. Turn the radio off.
z Talk Back
You can respond to any calls received during the scan process by pressing the [PTT].
z Priority Channel Scan
Enable you to constantly monitor & keep an update on the activities on the most commonly used
channel so that messages will not be missed. Check with your dealer for details.
When scanning remains on a non-priority channel, the radio continues to monitor activities on
the priority channel, and jumps to the priority channel if activity is detected.
TC-518 Owner’s Manual
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Busy Channel Lockout (BCL)
Avoid interference with the users using the same channel by preventing transmission if another
talk group is already on the air. The radio will generate a continuous tone upon [PTT] press if a
transmission is not allowed. Release the [PTT] to cancel the tone.
See Glossary for definition of BCL.
Low Battery Alert
For extra convenience, LED flashes red and a low-pitched tone sounds at every ten seconds to
alert users to recharge the battery should the battery level run low.
Voice Operated Transmit (VOX)
You can transmit hands free with the use of optional accessories. The radio will automatically
begin transmitting when you speak, and terminate transmitting when you stop talking. See
Glossary for definition of [VOX].
Press the programmed [VOX] key to activate or exit the [VOX] feature, with alert tone sounds
accordingly.
Your dealer can enable/disable the [VOX] feature, and set the [VOX] sensitivity. When [VOX]
feature is enabled, the user can transmit hands free with [VOX] accessories:
1. Press the programmed [VOX] key to activate the [VOX] feature.
2. Select the [PTT]/[VOX] switch on the earpiece to [VOX].
3. Plug the earpiece into the accessory jack.
4. Speaker into the earpiece microphone and your voice will be transmitted.
When transmitting with [VOX] accessories, you may here your own voice from the [VOX]
earpiece slightly. Press the [PTT] of your radio to disable the [VOX] feature. Turn the radio off on
again, or plug the earpiece into the accessory jack again to restore the [VOX] feature.
Note: No matter whether the [VOX] feature is enabled, if you select the [PTT]/[VOX] switch on
the earpiece to [PTT], you are able to transmit by press of the external [PTT], and you are not
allowed to push the switch from [PTT] to [VOX], this action shall cause the radio to continuously
TC-518 Owner’s Manual
25
transmit. When continuous transmission occurs, push the [PTT]/[VOX] switch from [VOX] to
[PTT], or turn on the radio again to restore the radio to operation use.
Note: to order accessories, please contact your dealer.
Compandor
This feature secures any clear talk of user in the noisy environment. The feature,
programmed by your dealer, can be enabled or disabled through operation of the
programmable key.
Scrambler
Realizing audio encryption, this feature can make any radio without the function receive no
real audio so that any private communication of user can highly be protected. The feature,
programmed by your dealer, can be enabled or disabled through operation of the
programmable key.
TC-518 Owner’s Manual
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Troubleshooting
Symptom Solution
Cannot power on the radio.
a. The battery is run out. Please recharge the battery
or replace it with a fresh one.
b. The battery is not properly installed. Please
remove and reinstall the battery.
The operation time will not increase
even though the battery is properly
charged.
a. The battery life cycle is over, please replace with a
new one.
b. The battery is not fully charged. Make sure that the
battery is removed after LED indicator has indicated
green.
Cannot talk to or hear group
members. a. Confirm radios have the same channel, and
CTCSS/CDCSS settings.
b. Make sure you are within their communication
range.
Hear non-group members a. Please change your CTCSS/CDCSS settings, and
so as your group members.
No voice or low voice while
transmitting
a. Whether the volume switch knob is switched to a
proper position.
b. Send the radio to your dealer for microphone
detection.
Noise always on a. Group members are too far away to receive their
call. Please go within the communication range and
re-power on the radio to try.
TC-518 Owner’s Manual
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Care and Cleaning
z Do not handle the radio by its antenna or external microphone directly.
z Do not place the radio in a dusty or dirty environment.
z Clean the radio with a lint-free cloth to remove dirt or grease, to avoid poor contact due to
excessive dust.
z Clean the radio using a lint-free cloth moistened with clean water and a mild dishwashing
liquid.
z Avoid subjecting the radio to corrosives, solvents or spirits.
Optional Accessory
Channel Frequency Table
Model:
Serial No.:
Channel
Tx
Frequency
(MHz)
Tx CTCSS
/CDCSS
Rx
Frequency
(MHz)
Rx
CTCSS/CDCSS
1
2
3
4
5
6
7
8
9
TC-518 Owner’s Manual
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10
11
12
13
14
15
16
CTCSS Table 38
No. Frequency (Hz) No. Frequency (Hz)
1 67.0 20 131.8
2 71.9 21 136.5
3 74.4 22 141.3
4 77.0 23 146.2
5 79.7 24 151.4
6 82.5 25 156.7
7 85.4 26 162.2
8 88.5 27 167.9
9 91.5 28 173.8
10 94.8 29 179.9
11 97.4 30 186.2
12 100.0 31 192.8
13 103.5 32 203.5
14 107.2 33 210.7
15 110.9 34 218.1
16 114.8 35 225.7
17 118.8 36 233.6
18 123.0 37 241.8
19 127.3 38 250.3
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CDCSS Table (83)
No. CDCSS No. CDCSS
39 023 82 331
40 025 83 343
41 026 84 346
42 031 85 351
43 032 86 364
44 043 87 365
45 047 88 371
46 051 89 411
47 054 90 412
48 065 91 413
49 071 92 423
50 072 93 431
51 073 94 432
52 074 95 445
53 114 96 464
54 115 97 465
55 116 98 466
56 125 99 503
57 131 100 506
58 132 101 516
59 134 102 532
60 143 103 546
61 152 104 565
62 155 105 606
63 156 106 612
64 162 107 624
65 165 108 627
66 172 109 631
67 174 110 632
68 205 111 654
69 223 112 662
70 226 113 664
71 243 114 703
72 244 115 712
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73 245 116 723
74 251 117 731
75 261 118 732
76 263 119 734
77 265 120 743
78 271 121 754
79 306
80 311
81 315
Glossary
Name Description
Short Press Key press shorter than 1.5 seconds.
Long Press Key press longer than 1.5 seconds.
Standby Status In normal mode, no key operation is made on the
radio and the radio is in receiving status.
CTCSS/CDCSS
The setting of CTCSS/CDCSS code in transmitting
party must match that in the receiving party, for the
receiver to unmute its speaker to output audio.
Battery Save
The function is to save the battery power and
prolong the operation time. Once no activity on the
channel and no operation performed, the radio shall
be on and off alternately.
Time-out Timer (TOT) The time-out timer feature stops someone from
talking too long and tying up the channel.
Squelch
The purpose of squelch is to mute audio output
from the speaker when no signals are present.
Open the squelch to unmute radio speaker.
Squelch Off Always unmute speaker to receive audio as well as
background noise.
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Monitor
Carrier condition must be satisfied for the radio to
unmute to an incoming call, regardless of
CTCSS/CDCSS condition.
Momentary Holds down the function key to activate the status,
and release it to exit.
Scan The scan feature enables the radio to continuously
scan each channel for activity.
Busy Channel Lockout
Avoid interference with the users using the same
channel by preventing transmission if another talk
group is already on the air.
VOX The radio will automatically begin transmitting when
you speak.
HYT endeavors to achieve the accuracy and completeness of this manual, but no warranty of
accuracy or reliability is given. All the above specifications and design are subject to change
without notice due to continuous development.
No part of this manual may be copied, reproduced, translated, stored in a retrieval system,
distributed, or transmitted in any form or by any means, electronic or mechanical, for any
purpose without the express written permission of HYT.