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10

BATTERY CHARGING

3

BASIC MANUAL

1

2

3

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2

3

ENGLISH

 

Battery charging

 •Fully charge the transceiver before 

using it for the first time, or if it has not 

been used for more than 2 months. The 

charger automatically restarts charging 

when the battery voltage drops.

 •Disconnect the AC adapter from the outlet 

when not charging the battery.

 •Use the supplied USB cable.

 •The battery icon on the function display 

blinks while charging and lights when the 

charging has been completed.

 

D

Charging directly

Connect the supplied USB cable to the 

[USB] connector.

Charging time: 

Approximately 5.5 hours with 5 V/1 A input

NOTE for charging with a USB cable: 

 •Use a 5 V/1 A output AC adapter.

 •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 may 

not be charged.

 •Before using the AC adapter, thoroughly 

read its instructions.

To an AC adapter or a PC

(User supplied)

Turn OFF

USB

Type-C

USB cable

To the [USB] connector

NOTE: 

If “Q ER” is displayed, a charging 

error has occurred.

 •Disconnect the USB cable or AC 

adapter, and then connect properly.

 •Properly install the battery pack to the 

transceiver.

 •Properly insert the transceiver into the 

charging cradle.

 •Charge the battery pack within the 

specified temperature range: 15°C ~ 

40°C.

 

D

Charging on the cradle

Turn OFF

USB cable

USB Type-C

Charging cradle

Tabs

Guide rails

NOTE:

 Be sure the tabs on the 

transceiver are correctly aligned with the 

guide rails inside the cradle.

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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