Table of Contents
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Instructional Icons
The following icons are available through this manual:
Caution: indicates situations that could cause damage to your product.
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.
TC-446S Owner's Manual
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Table of Contents
Related Manuals for HYT TC-446S
Summary of Contents for HYT TC-446S
- Page 1 TC-446S Owner’s Manual Instructional Icons The following icons are available through this manual: Caution: indicates situations that could cause damage to your product. 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.
- Page 2 Information Copyright 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.
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Page 3: Fcc Licensing Information
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 FCC for occupational use only. - Page 4 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.
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Page 5: Table Of Contents
TC-446S Owner’s Manual Contents Checking Items in the Package ........................6 Product Overview ............................7 Product Controls ..........................7 Programmable Keys..........................8 Before Use ..............................9 Charging the Battery ........................... 9 Assembling the Accessories ......................10 Status Indication ............................12 Basic Operations ............................ -
Page 6: Checking Items In The Package
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. Battery Rapid-rate Charger Power Adapter Belt Clip Strap Owner’s Manual & Safety Information Booklet Radio Unit Note: The pictures are for reference only. -
Page 7: Product Overview
TC-446S Owner’s Manual Product Overview Product Controls Part Name Part Name ○ ○ PTT Key Battery Latch ○ ○ SK1 (programmable) Accessory Jack Cover ○ ○ SK2 (programmable) Accessory Jack... -
Page 8: Programmable Keys
TC-446S Owner’s Manual ○ ○ Antenna Strap Hole ○ ○ Channel Selector Knob Belt Clip Radio On-Off/Volume ○ ○ Battery Control Knob ○ ○ Speaker Screw of Belt Clip ○ ○ Microphone Charging Piece ○ LED Indicator Programmable Keys For enhanced convenience, you may request your dealer to program the keys SK1 and SK2 as shortcut... -
Page 9: Before Use
TC-446S Owner’s Manual Before Use Charging the Battery Use only the charger and battery specified by Hytera. Charger LED can indicate the charging process. ■ Charge Diagram ■ Procedures Connect the power adapter to AC source. See arrow 1; Plug the power adapter into the rear socket of the charger. See arrow 2;... -
Page 10: Assembling The Accessories
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. Caution: Be sure to read the Safety Information Booklet, to get necessary safety information. - Page 11 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).
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Page 12: Status Indication
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 Green LED glows. Receiving Green LED flashes. Scanning... -
Page 13: Basic Operations
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. -
Page 14: Functions And Operations
TC-446S Owner’s Manual Functions and Operations 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. -
Page 15: Squelch Off
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: Press the programmed Squelch Off key to activate this function; press the key again to deactivate it. -
Page 16: Vox
TC-446S Owner’s Manual consult your dealer. To exit the scanning process, you may Press the Scan key again; or Switch to a channel where the auto scan feature is not enabled; Turn the radio off. Note: You can enable or disable the following alert tones: scan start alert and scan exit alert. -
Page 17: Battery Strength Indicator
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. -
Page 18: Battery Save
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. -
Page 19: Troubleshooting
TC-446S Owner’s Manual Troubleshooting Phenomena Analysis Solution The battery may be improperly Remove the battery and attach it again. installed. The radio can not be The battery may run out. Recharge or replace the battery. powered on. The battery may suffer from poor... -
Page 20: Care And Cleaning
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 Do not pierce or scrape the product with any edged instruments or hard objects. -
Page 21: Optional Accessories
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-Ion Battery (1300mAh) Vehicle Power Adapter Six-Unit Switching Power Earbud with in-Line PTT &...