HYT TC446s Licence Free Radio User Manual
Contents
1. You may be interrupted by radios using the same frequency Change the frequency or adjust the squelch level The radio may not be set with any signaling Set signaling for all member radios to avoid interference at the same frequency The noise is too loud You may be too far away from other members Move towards other members power off your radio and then restart it You may be at an unfavorable position For example your communication may be blocked by high buildings or frustrated in the underground areas Move to an open and flat area and restart the radio You may suffer from external disturbance such as electromagnetic interference Stay away from equipment that may cause interference If the above solutions can not fix your problems or you may have some other troubles please contact us or your local dealer for more technical support 19 HVT TC 446S Owner s Manual Care and Cleaning To guarantee optimal performance as well as a long service life of your product please follow the tips below Product Care R Do not pierce or scrape the product with any edged instruments or hard objects RB Keep the product far away from substances that can corrode the electronic circuit R Do not hold the product by its antenna or headset cable directly M Attach the accessory jack cover when the product is not in use Product Cleaning B Clean up the dust and fine p2. 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 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 HVT TC 446S Owner s Manual RF Energy Exposure Compliance Your product is designed and tested to comply with a number of national and international standards and guidelines listed below regarding human exposure to radio frequency electromagnetic energy This product complies with the IEEE and ICNIRP exposure limits for occupational controlled RF exposure environment at operating duty factors of up to 50 transmitting and is authorized by the F
3. 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 product does cause harmful interference to radio or television reception which can be 3 HVT TC 446S Owner s Manual determined by turning the product 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 product and receiver Connect the product 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 FCC Licensing Requirements A license from Federal Communications Commission is required prior to use Your dealer will program each product with your authorized frequencies signaling codes etc and will be there to meet your communications needs as your system expands Contact your dealer for more information EU Regulatory Conformance The product is in compliance with the essential requirements and other relevant provisions of the Directive 1999 5 EC C 0678 T Note The above information is applicable to EU countries only HVT TC 446S Owner s Manual Contents Checking Items in the Package iii 6 Product Overvie Wiisser end ne re eens 7 Pro
4. using an external accessory waterproof performance of the radio may get affected HVT TC 446S Owner s Manual Status Indication The top LED indicator will help you easily identify current radio status LED Indicator Radio Status Red LED glows Transmitting Red LED flashes Low battery alert 12 HVT TC 446S Owner s Manual Basic Operations Turning the Radio On Off Rotate the Radio On Off Volume Control knob clockwise counter clockwise until a click is heard to turn the radio on off Adjusting the Volume You may control the volume level using the Radio On Off Volume Control knob After the radio is powered on rotate the knob clockwise to increase the volume or counter clockwise to decrease the volume Selecting a Channel The radio supports up to 16 channels Rotate the Channel Selector knob to align your desired channel number with the white channel mark D Note When the radio is currently staying on a blank channel it would sound beep tones continuously Transmitting Receiving To transmit audio signals press and hold down the PTT and speak into the microphone During transmitting the LED solidly glows red To receive just release the PTT When any audio signal is received the LED solidly glows green Note To ensure optimal volume of the receiving radio hold the radio approximately 2 5 to 5 centimeters away from your mouth Communication range may get affected in rainy day
5. CC for occupational use only In terms of measuring RF energy for compliance with the FCC exposure guidelines your product radiates measurable RF energy only while it is transmitting during talking not when it is receiving listening or in standby mode Your product complies with the following of RF energy exposure standards and guidelines United States Federal Communications Commission Code of Federal Regulations 47CFR part 2 sub part J American National Standards Institute ANSI Institute of Electrical and Electronic Engineers IEEE C95 1 1992 6 Institute of Electrical and Electronic Engineers IEEE C95 1 1999 Edition International Commission on Non lonizing Radiation Protection ICNIRP 1998 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 Transmit and Receive To transmit talk push the Push To Talk PTT key to receive release the PTT key FCC Licensing Information Part 15 Compliance This product 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 product generates uses and can radiate
6. EREE 20 Optional Accessories iissiiieeeeeneeeeeeneeeeeeeeeneeeneeeeentee 21 HVT TC 446S Owner s Manual 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 Rapid rate Charger Power Adapter Belt Clip Strap CT Owner s Manual amp Safety Information Booklet Radio Unit Note The pictures are for reference only O HVT TC 446S Owner s Manual Product Overview Product Controls Te fl LAESA No Part Name No Part Name PTT Key 00 Battery Latch SK1 programmable Accessory Jack Cover SK2 programmable 02 Accessory Jack HVT TC 446S Owner s Manual Antenna 02 Strap Hole Channel Selector Knob 4 Belt Clip Radio On Off Volume a5 B
7. Preface Thank you for purchasing Hytera TC 446S portable two way radio TC 446S is endowed with professional outlook reliable structure practical functions and mature performance It will bring you perfect communication To derive optimum performance from your product please read this manual and the supplied Safety Information Booklet carefully before use HVT TC 446S Owner s Manual Instructional Icons The following icons are available through this manual A Caution indicates situations that could cause damage to your product R Note indicates tips that can help you make better use of your product 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 User mode is the operation mode you enter by powering on the radio CTCSS CDCSS This technology can avoid unwanted calls at the same frequency HVT TC 446S Owner s Manual 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
8. articles on the product surface and charging piece with a clean and dry lint free cloth or a brush regularly m Use neutral cleanser and a non woven cloth to clean the keys control knobs and front case after long time use Do not use chemical preparations such as stain removers alcohol sprays or oil preparations so as to avoid surface case damage Make sure the product is completely dry before use A Caution Power off and remove the battery before cleaning 20 HVT TC 446S Owner s Manual Optional Accessories The following items are the main optional accessories for the product and please consult your local dealer for more other accessories Li lon Battery 1300mAh BL1301 Vehicle Power Adapter CHVO9 Six Unit Switching Power PS7002 Earbud with in Line PTT amp VOX ESM11 Earbud with on MIC PTT amp VOX ESM12 D earset with Boom MIC amp VOX EHM16 D earset with in Line MIC amp VOX EHM15 Nylon Carrying Case non swivel black NCNO01 A Caution Use the accessories specified by Hytera only If not Hytera shall not be liable for any losses or damages arising out of use of unauthorized accessories 21
9. attery Control Knob D Speaker 09 Screw of Belt Clip Microphone 02 Charging Piece Q LED Indicator Programmable Keys For enhanced convenience you may request your dealer to program the keys SK1 and SK2 as shortcut to the functions listed below No Shortcut Key Function 1 Monitor To adjust the condition for incoming signal 2 Monitor Momentary match 3 Squelch Off To always unmute speaker no matter 4 Squelch Off Momentary whether carrier is present or not To listen to communication activities on 5 Scan other channels To make the radio transmit automatically 6 VOX when you speak To indicate the charge remaining in the 7 Battery Strength Indicator battery 8 Channel Lock To lock the current channel Note Long and short press of the key can be assigned with different functions by your dealer HVT TC 446S Owner s Manual Charging the Battery Use only the charger and battery specified by Hytera Charger LED can indicate the charging process m Charge Diagram C0 m Procedures 1 Connect the power adapter to AC source See arrow 1 2 Plug the power adapter into the rear socket 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
10. be powered on The battery may be improperly installed TC 446S Owner s Manual Remove the battery and attach it again The battery may run out Recharge or replace the battery The battery may suffer from poor contact caused by dirtied or damaged battery contacts Clean the battery contacts If the problem can not be solved contact your dealer or authorized service center for inspection and repair During receiving signals the voice is weak discontinuous or totally inactive The battery strength may be too low Recharge or replace the battery The volume may be set to a low level Increase the volume by rotating the Radio On Off Volume Control knob clockwise The speaker may be blocked or damaged Clean surface of the speaker If the problem can not be solved contact your dealer or authorized service center for inspection and repair You can not communicate with other members The frequency or signaling may be inconsistent with that of other members Set your TX RX frequency and signaling the same as that of other members The radio may be locked on other channels Deactivate the Channel Lock function and switch to your desired channel You may be too far away from the group members Move towards other members And make sure that you are within the communication range Irrelevant communications or noises are heard on the channel
11. ch on the earpiece is set to PTT you can only transmit by pressing the external PTT no matter whether VOX is activated When the earpiece is plugged into the accessory jack do not switch the PTT VOX Switch from PTT to VOX directly if it is set to PTT otherwise continuous transmission may occur If continuous transmission occurs unexpectedly you can restore the radio to normal operation by toggling the switch from VOX to PTT or turning the radio off and back on YOU can select an appropriate VOX sensitivity according to the operating environment If VOX is activated under heavy noise continuously transmission may occur 16 HVT TC 446S Owner s Manual Battery Strength Indicator With this feature you can learn the remaining battery strength easily Operation Press and hold down the programmed Battery Strength Indicator key and the LED glows to indicate remaining battery strength by different colors see table below Release the key to exit The table lists different colors representing different battery strength levels LED Indicator Battery Strength LED glows red Low Low Battery Alert This feature allows you to know the low battery status When battery power runs low the LED will flash red and the low pitched tone programmed by your dealer will sound periodically In this case please replace or charge the battery Note When the battery strength is insufficient the programmed Battery Strength Indicato
12. duct Controle tentera dr rues dues Perdue re et ee tr tre Ter a nt 7 Programmable KeVS ss Rs Rs SR a eee eee ne 8 PGT ARS a nn nn nt nr 9 Charging the Battery cis screen eee eue du ee a a a a ee 9 Assembling th ACCEsSorieS TTT at at te ee 10 Status IndicatioM Linie ne de Det Rae De ra id it D Rue 12 Basic Op rations iene hence an eed de de ent net ant nt nt dns da dat 13 Turning the Te lleas le dre drame dan Bette debian dati a eb ce ab dd eich 13 Adjusting the Volume tarte adorer den ee rar 13 Selecting a Channel siennes 13 Transmitind ReCeNINd reaa RAR AR A A AAA A te hd 13 Eunctions and Operations insulte ent tante retracer 14 CT CSS CDCSS vierie oa tte te desert E REE era de ra de sn er er ENEE EEEE tr tarte ne ete tiers 14 AMIS SOUR NI ONAN OT RER Ra de a er 14 MONITOR ste sata at a nn nn a a tr taff ad AN tn 14 Sgueleh OL ciel circled ieee nee ood 15 SCAN retire view tienen ea iat heen ihe nine ieee ieee eee 15 VOX RE a ec ets 16 Batlery Strength Indicator its petite ie RE ten teh teeth RS nn eed nant en en En nana 17 Low Battery LT a teen der cuves cu cay eevee cvsa serves saves ves davies dase EEEE ENEEK KEENE EEEE earet 17 Ie Fz M lt e E EE te eee eee eee eee ere 17 Battery Save eae es en a cc ea eet a ae ea ees ees 18 Busy Channel Lockout 52888 ne et aaa etal amie als 18 Troubleshooting five lessee cost rende a a a e babe ei neue elev peeve ene ean elev 19 Gare and e TTS erre eenei eiei oeie EEEE RERE EEE ELERE REEERE A
13. green Note To achieve optimal battery performance please charge the battery for 5 hours before initial use m Charge Indicator LED Indicator Charge Status Red LED glows Charging LED solidly glows orange About fully charged LED solidly glows green Fully charged HVT TC 446S Owner s Manual 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 A Caution Be sure to read the Safety Information Booklet to get necessary safety information Assembling the Accessories Attaching the Battery 1 Push 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 Then slide the battery latch upward to release the battery Attaching the Belt Clip 1 Remove the screws 2 Align the screw holes on the belt clip with those on the radio s body and then tighten the screws To remove the belt clip loosen the screws 10 HVT TC 446S Owner s Manual Attaching the Audio Accessory Programming Cable 1 Uncover the accessory jack 2 Plug an audio accessory programming cable into the accessory jack if it is an audio accessory remember to tighten the screw To remove the accessories pull out the plug if it is an audio accessory remember to loosen the screw first A Caution When you are
14. he talk back feature is enabled by your dealer press and hold down the PTT to reply when the radio stays on a certain channel m You can scan the frequently used channel if the priority scan feature is enabled When scan stays on a non priority channel the radio will keep detecting activities on the priority channel Once any activity is detected it will jump to the priority channel For more information please 15 HVT TC 446S Owner s Manual consult your dealer 3 To exit the scanning process you may m Press the Scan key again or RB Switch to a channel where the auto scan feature is not enabled R Turn the radio off ms Note YOU can enable or disable the following alert tones scan start alert and scan exit alert During scanning the following function keys if programmed are available PTT Squelch Off Squelch Off Momentary Monitor and Monitor Momentary VOX This feature allows you to transmit the voice with no need to press PTT However you must employ a dedicated earpiece to realize this function Operation 1 Set the PTT VOX Switch on the earpiece to VOX 2 Plug the earpiece into the accessory jack 3 Press the programmed VOX key to activate this function 4 Speak into the microphone on the earpiece to transmit your voice and transmission will stop automatically when you stop talking 5 Power the radio off or press the VOX key again to deactivate this function D Note Ifthe PTT VOX Swit
15. ivate this function an alert tone sounds release the key to exit the alert tone sounds twice 14 HVT TC 446S Owner s Manual Squelch Off This feature allows you to unmute the speaker on current channel no matter whether a carrier is present Operation m Press the programmed Squelch Off key to activate this function press the key again to deactivate it Or B Press and hold the programmed Squelch Off Momentary key to activate this function release the key to deactivate it D Note When this function is enabled on current channel you will hear audio signals if any otherwise background noise will be heard Scan This feature allows you to listen to communication activities on other channels so that you can keep a close track of your team members The scan list can be set by your dealer Operation 1 To activate this function you may m Press the programmed Scan key or RB Switch to a channel enabled with the auto scan feature programmed by your dealer D Note The radio will not start scan if there are less than two channels in the scan list 2 After the feature is enabled your radio will scan according to the scan list set for the channel on which scanning starts The scanning process is as follows B During scanning the LED flashes green m When communication activities are detected on a channel the radio will stay to receive activities present on this channel At this time the LED glows green R lft
16. r key will become unavailable However when the battery strength is drained transmission will be prohibited if you press PTT in such situations the radio will sound an alert to warn you Channel Lock This feature can avoid unexpected channel change due to rotation of Channel Selector knob by accident Operation Press the programmed Channel Lock to activate this function an alert tone sounds press the key again to deactivate it the alert tone sounds twice After this function is activated the radio will stay on current channel at this time you can not change the channel even using the Channel Selector knob Note This function will be deactivated if the radio is powered off and back on or it is programmed 17 HVT TC 446S Owner s Manual Battery Save In Standby mode if the radio is inactive no key press transmission reception for 10 seconds programmable it will automatically enter Battery Save mode to reduce battery consumption The radio may exit the Battery Save mode and get activated once any key is pressed or any signal is received Busy Channel Lockout If enabled via the programming software this feature can prevent your radio interfering with other transmitting radios on the same channel If you hold down the PTT key while the channel is in use your radio will keep beeping and return to Receive mode To stop beeping please release the PTT key 18 HM ST Troubleshooting The radio can not
17. s or forest locations 13 HVT TC 446S Owner s Manual CTCSS CDCSS You may set up talkgroups with unique CDCSS CTCSS to prevent unwanted conversations at the same frequency If CTCSS CDCSS is set on a certain channel you can only receive voice calls from radios with matching CTCSS CDCSS Otherwise you will receive voice calls from all users operating at the same frequency You may request your dealer to program corresponding parameters on certain channels For detailed operation method please consult your dealer Note The radio supports 38 groups of standard CTCSS 83 groups of standard CDCSS and 180 degree CTCSS tail reverse Time out Timer TOT The purpose of TOT is to prevent any user from occupying a channel for an extended period If the preset time expires the radio will automatically terminate transmission and keep beeping To stop beeping please release the PTT key You must wait for a certain time period preset by your dealer before you can press and hold down the PTT key to transmit again If the pre alert function is set by your dealer your radio will alert you to the TOT expiration in advance Monitor This feature allows you to lower the conditions for incoming signal match Operation M Press the programmed Monitor key to activate this function an alert tone sounds press it again to deactivate the function the alert tone sounds twice Or B Press and hold the programmed Monitor Momentary key to act
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