Hytera TC-508U1 User manual

Preface
Thank you for purchasing Hytera TC-508 portable radio. With simple appearance, reliable mechanics,
practical functions and stable performance, it will refresh your communication experience!
To derive optimum performance from your product, please read this manual and the supplied Safety
Information Booklet carefully before use.

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Instructional Icons
The following icons are available through this manual:
Caution: indicates situations that could cause damage to your radio.
Note: indicates tips that can help you make better use of your radio.
Term Explanation
Please pay your attention to the following key terms:
Key Operation
Short press: to press a key and release it quickly.
Long press: to press and hold down a key for above 1 second.
Hold down: to press a key and remain holding it down.
User Mode
Refers to the mode entered after you turn on the radio directly.
CTCSS/CDCSS
The signaling can help you prevent unwanted conversations at the same frequency.

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Copyright Information
Hytera and HYT are trademarks or registered trademarks of Hytera Communications Co., Ltd. (“Hytera”)
in PRC and/or other countries or areas. Hytera retains the ownership of its trademarks and product
names. All other trademarks and/or product names that may be used in this manual are properties of
their respective owners.
The Hytera product described in this manual may include Hytera computer programs stored in memory
or other media. Laws in PRC and/or other countries or areas protect the exclusive rights of Hytera with
respect to its computer programs. The purchase of this product shall not be deemed to grant, either
directly or by implication, any rights to the purchaser regarding Hytera computer programs. Any Hytera
computer programs may not be copied, modified, distributed, decompiled, or reverse-engineered in any
manner without the prior written consent of Hytera.
Disclaimer
Hytera endeavors to achieve the accuracy and completeness of this manual, but no warranty of
accuracy or reliability is given. All the specifications and designs are subject to change without prior
notice due to continuous technology development. No part of this manual may be copied, modified,
translated, or distributed in any manner without the express written permission of Hytera.
If you have any suggestions or would like to learn more details, please visit our website at:
http://www.hytera.cn.
RF Radiation Information
RF Radiation Profile
Radio Frequency (RF) is a frequency of electromagnetic radiation in the range at which radio signals are
transmitted. RF technology is widely used in communication, medicine, food processing and other fields.
It may generate radiation during use.
RF Radiation Safety
In order to ensure user health, experts from relevant industries including science, engineering, medicine
and health work with international organizations to develop standards for safe exposure to RF radiation.
These standards consist of:

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¾United States Federal Communications Commission, Code of Federal Regulations; 47CFR part 2
sub-part J;
¾American National Standards Institute (ANSI)/Institute of Electrical and Electronic Engineers (IEEE)
C95. 1-1992;
¾Institute of Electrical and Electronic Engineers (IEEE) C95. 1 – 1999;
¾International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998;
FCC Regulations
Federal Communication Commission (FCC) requires that all radio communication products should meet
the requirements set forth in the above standards before they can be marketed in the U.S, and the
manufacturer shall post a RF label on the product to inform users of operational instructions, so as to
enhance their occupational health against exposure to RF energy.
As a conscientious company centering on users, Hytera strictly complies with the foregoing
requirements from design, production and test.
EU Regulatory Conformance
The product is in compliance with the essential requirements and other relevant provisions of the
Directive 1999/5/EC.
Note: The above information is applicable to EU countries only.
Operational Instructions and Training Guidelines
●To ensure optimal performance and compliance with the occupational/controlled environment
RF energy exposure limits in the above standards and guidelines, users should transmit no more
than 50% of the time and always adhere to the following procedures; and should transmit no more
than 50% of the time, although the hardware support transmission up to 100% of the time in
analog mode.
●The radio is not intended for use by general population in an uncontrolled environment. It
is only for occupational use and only applied to work-related conditions.The radio must be
only used by users, who are fully aware of the hazards of the exposure and who are able
to exercise control over their RF exposure to qualify for the higher exposure limits.

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Contents
Checking Items in the Package ................................................................................................................5
Product Overview .....................................................................................................................................6
Product Controls ...............................................................................................................................6
Programmable Keys..........................................................................................................................7
Before Use ...............................................................................................................................................8
Charging the Battery .........................................................................................................................8
Assembling the Accessories..............................................................................................................9
Status Indication.....................................................................................................................................11
Basic Operations ....................................................................................................................................12
Turning the Radio On/Off ................................................................................................................12
Adjusting the Volume ......................................................................................................................12
Selecting a Channel ........................................................................................................................12
Transmitting / Receiving..................................................................................................................12
Functions and Operations ......................................................................................................................13
CTCSS/CDCSS ..............................................................................................................................13
Time-out Timer (TOT)......................................................................................................................13
Adjust Power Level..........................................................................................................................13
Monitor ............................................................................................................................................13
Squelch Off .....................................................................................................................................14
Scan ................................................................................................................................................14
VOX.................................................................................................................................................15
Battery Strength Indicator................................................................................................................16
Low Battery Alert .............................................................................................................................16
Channel Lock ..................................................................................................................................16
Battery Save....................................................................................................................................17
Busy Channel Lockout ....................................................................................................................17
Troubleshooting......................................................................................................................................18
Care and Cleaning .................................................................................................................................20
Optional Accessories................................................................................................. 错误！未定义书签。

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Checking Items in the Package
Please unpack carefully and check that all items listed below are received. If any item is missing or
damaged, please contact your dealer.
Battery Rapid-rate Charger (for Li-Ion battery) Power Adapter
Antenna Belt Clip Strap
Manuals Radio
Note:
The pictures above are for reference only.

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Product Overview
Product Controls
10
9
3
2
1
17
16
15
14
11
8
7
456
13
12
No. Part Name No. Part Name No. Part Name
○
1PTT Key ○ 2SK1 (programmable) ○ 3SK2 (programmable)
○
4Antenna ○ 5Channel Selector Knob ○ 6Radio On-Off/Volume
Control Knob
○
7Speaker ○ 8Microphone ○ 9LED Indicator
○
10 Battery Latch ○ 11 Accessory Jack Cover ○ 12 Accessory Jack
○
13 Strap Hole ○ 14 Belt Clip ○ 15 Battery

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○
16 Screw (Belt Clip) ○ 17 Charging Piece
Programmable Keys
For enhanced convenience, you may request your dealer to program the keys SK1 and SK2 as
shortcuts to the functions listed below:
No. Shortcut Key Function
1 Adjust Power Level To adjust power level through one button
press.
2 Monitor To adjust the condition for incoming signal
match
3 Monitor Momentary
4 Squelch Off To always unmute speaker no matter
whether carrier is present or not
5 Squelch Off Momentary
6 Scan To listen to communication activities on
other channels.
7 VOX To make the radio transmit automatically
when you speak.
8 Battery Strength Indicator To indicate the battery strength
9 Channel Lock
The current channel will remain unchanged
in case of rotating the Channel Selector
knob accidentally.
Note: Long and short press of a key can be assigned with different functions by your dealer.

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Before Use
Charging the Battery
Use only the charger and battery specified by Hytera. Charger LED can indicate the charging process.
■Charge Diagram
3
3
2
1
■Procedures
1. Connect the power adapter to AC socket. See arrow 1.
2. Plug the power adapter into the rear jack of the charger. See arrow 2.
3. Place the radio with the battery attached, or the battery alone, into the charger. See arrow 3.
4. The charging process initiates when LED glows red, and is completed when LED glows green.
Note: To achieve optimal battery performance, please charge the battery for 5 hours before initial
use.
Charge Indicator
LED Indicator Charge Status
Red LED glows. Charging
Orange LED glows. Approximately charged
completely

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Green LED glows. Fully charged
Ready for use
When battery power runs low, the LED will flash red, and the low-pitched tone will sound periodically. In
this case, please replace or charge the battery.
Caution: Be sure to read the Safety Information Booklet, to get necessary safety information.
Assembling the Accessories
Assembling the Antenna
Turn the antenna clockwise to fasten it.
To remove the antenna, rotate it counter-clockwise.
Assembling the Battery
1. Slide the battery into the radio’s slot.
2. Slightly press the bottom of the battery until a click is heard.
To remove the battery, turn off the radio first. Slide the battery latch upward to release the battery.