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BASIC MANUAL

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2

3

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ENGLISH

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BATTERY CHARGING

Misuse of Li-ion batteries may result in 

the following hazards: smoke, fire, or 

the battery may rupture. Misuse can 

also cause damage to the battery or 

degradation of battery performance.

 

R

DANGER! NEVER 

incinerate used 

battery packs. Internal battery gas may 

cause an explosion.

 

R

DANGER! NEVER

 solder the battery 

terminals, or 

NEVER

 modify the battery 

pack. This may cause heat generation, and 

the battery may burst, emit smoke or catch 

fire.

 

R

DANGER! NEVER 

leave battery packs 

in places with temperatures above 60°C. 

High temperature buildup in the battery 

cells, such as could occur near fires or 

stoves, inside a sun-heated vehicle, or in 

direct sunlight for long periods of time may 

cause the battery cells to rupture or catch 

fire. Excessive temperatures may also 

degrade the battery pack’s performance or 

shorten the battery cell’s life.

 

R

DANGER! NEVER

 strike or otherwise 

impact the battery pack. Do not use 

the battery pack if it has been severely 

impacted or dropped, or if the pack has 

been subjected to heavy pressure. Battery 

pack damage may not be visible on the 

outside of the case. Even if the surface of 

the battery does not show cracks or any 

other damage, the cells inside the battery 

may rupture or catch fire.

 

R

DANGER! NEVER

 place battery packs   

near a fire. Fire or heat may cause them to 

rupture or explode. Dispose of used battery 

packs in accordance with local regulations.

 

R

DANGER! NEVER

 let fluid from inside 

the battery get in your eyes. This can 

cause blindness. Rinse your eyes with 

clean water, without rubbing them, and 

immediately go to a doctor.

 

R

WARNING! NEVER

 Iet fluid from inside 

the battery cells come in contact with your 

body. If it does, immediately wash with 

clean water.

 

R

WARNING! NEVER

 put the battery 

pack in a microwave oven, high-pressure 

container, or in an induction heating cooker. 

This could cause a fire, overheating, or 

cause the battery cells to rupture.

 

R

WARNING! NEVER 

use deteriorated 

battery packs. They could cause a fire.

CAUTION: DO NOT

 continue to use the 

battery pack if it emits an abnormal odor, 

heats up, or is discolored or deformed. If 

any of these conditions occur, contact your 

Icom dealer or distributor.

CAUTION: DO NOT

 expose the battery 

pack to rain, snow, saltwater, or any other 

liquids. Do not charge or use a wet pack. If 

the pack gets wet, be sure to wipe it with a 

clean dry cloth before using.

CAUTION: DO NOT

 use the battery pack 

out of the specified temperature range for 

the transceiver (–20°C ~ +60°C). Using 

the battery out of its specified temperature 

range will reduce its performance and 

battery cell’s life.

CAUTION: DO NOT

 leave the pack fully 

charged, completely discharged, or in an 

excessive temperature environment (above 

50°C) for an extended period of time. If 

the battery pack must be left unused for 

a long time, it must be detached from the 

transceiver after discharging. You may 

use the battery pack until the remaining 

capacity is about half, then keep it safely 

in a cool and dry place at the following 

temperature range:

–20°C ~ +50°C (within a month)

–20°C ~ +40°C (within three months)

–20°C ~ +20°C (within a year)

 

Battery cautions

Summary of Contents for IC-U20SR

Page 1: ...BASIC MANUAL PMR446 TRANSCEIVER U20SR...

Page 2: ...www icomjapan com support Explicit de nitions WORD DEFINITION R DANGER Personal death serious injury or an explosion may occur R WARNING Personal injury fire hazard or electric shock may occur CAUTION...

Page 3: ...the terminals touch metal objects such as a key so be careful when placing the battery packs or the transceiver in bags and so on Carry them so that shorting cannot occur with metal objects Shorting...

Page 4: ...uct About CE and DOC Hereby Icom Inc declares that the versions of IC U20SR which have the CE symbol on the product comply with the essential requirements of the Radio Equipment Directive 2014 53 EU a...

Page 5: ...ront top and side panels 6 Function display 7 3 BATTERY CHARGING 8 Battery cautions 8 Charging cautions 9 Battery charging 10 4 BASIC OPERATION 12 Turning the transceiver ON or OFF 12 Selecting a chan...

Page 6: ...hing or attaching a battery pack BE SURE to turn OFF the transceiver by holding down for 1 second Otherwise a transceiver malfunction could occur 1 Release the rear cover lock clip 1 and remove the re...

Page 7: ...The USB connector does not support USB Power Delivery USB PD or a data communication 6 MONI KEY While holding down this key the Monitor function is ON on the Standby screen 7 KEY On the Standby screen...

Page 8: ...Battery Status Full Mid Charging required Battery exhausted Blinks when the battery charge decreases to a set level 8 ALPHANUMERIC READOUT Displays messages such as channel number CAUTION DO NOT use t...

Page 9: ...id from inside the battery get in your eyes This can cause blindness Rinse your eyes with clean water without rubbing them and immediately go to a doctor R R WARNING NEVER Iet fluid from inside the ba...

Page 10: ...wet or soiled This could corrode the battery charger terminals or damage the charger The charger is not waterproof NOTE DO NOT charge the battery pack outside of the specified temperature range 15 C...

Page 11: ...ter USB Power Delivery USB PD is not supported The charging time may differ depending on the current When you use a lower than 1 A output AC adapter or PC it may take longer to charge or the battery m...

Page 12: ...charged by the charging cradle with the BC 262 inserted Charging time Approximately 3 8 hours with 5 V 1 A input USB cable USB Type C Battery pack BC 264 Charging indicator Lights orange Charging Not...

Page 13: ...1 After pushing PTT pause briefly before you start speaking 2 Hold the microphone 5 10 cm from your mouth then speak at your normal voice level Key Lock function You can use the Key Lock function to...

Page 14: ...ure beeps 2 Push any key to stop the Ringer melody 3 Push PTT to transmit if necessary NOTE To use this function the operating channel and CTCSS tone must be the same on all of your group s transceive...

Page 15: ...arm type HS 97 headset Throat microphone D D Others OPC 2006LS plug adapter cable L type plug conversion cable Connects the HS 94 HS 95 HS 97 to the transceiver for the VOX operation OPC 2328 ptt swi...

Page 16: ...7 4 100 0 103 5 107 2 110 9 114 8 118 8 123 0 127 3 131 8 136 5 141 3 146 2 151 4 156 7 159 8 CTCSS tone or DTCS code can be manually programmed Ask your dealer for details Technical Information Frequ...

Page 17: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan How the World Communicates A7725 4EU 2023 Icom Inc May 2023...

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