Icom IC-U20SR User manual

OPERATING GUIDE

INTRODUCTION

1 PANEL DESCRIPTION

PMR446 TRANSCEIVER

|U20SR

2 BASIC OPERATION

3 ADVANCED OPERATION

4 USER SET MODE

5 OTHER FUNCTION

6 OPTIONS

INTRODUCTION

Thank you for choosing this Icom product. This product was designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product should provide you with years of trouble-free operation.

IMPORTANT

FIRST, CAREFULLY READ INSTRUCTIONS that is provided with the transceiver. READ ALL INSTRUCTIONS carefully and completely before using the transceiver.

SAVE THIS OPERATING GUIDE— This operating guide contains additional important operating instructions for the IC-U20SR.

Icom and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand, and/or other countries. All other products or brands are registered trademarks or trademarks of their respective holders.

Icom is not responsible for the destruction, damage to, or performance of any Icom or non-Icom equipment, if the malfunction is because of:

• Force majeure, including, but not limited to, fires, earthquakes, storms, floods, lightning, other natural disasters, disturbances, riots, war, or radioactive contamination.

• The use of Icom transceivers with any equipment that is not manufactured or approved by Icom.

i

Section 1

PANEL DESCRIPTION

Front, top and left side panels ��1-2

D Operating keys ��1-2 D About the Software Key functions ��1-2

Right side panel ��1-3

Function display ��1-3

D Connectors ��1-3

Assignable Software Key functions ��1-4

1-1

1

PANEL DESCRIPTION

Front, top and left side panels

Antenna

Speaker

[Top]*

DOperating keys

[PTT] switch

Hold down to transmit, release to receive�

[ ] key

• Hold down for 1 second to turn ON the transceiver�

• Hold down for 2 seconds to turn OFF the transceiver�

[PTT]

Microphone

[Side]*

[CH/SET]

[ ]

* Dealer assignable�

Function display

[MONI]

]

[

[▲]/[▼]

[CH/SET] key

• On the Standby screen, push to enter or exit the Channel Select mode�

• On the Standby screen, hold down for 1 second to enter the Set mode�

• In the Set mode, push to move between the setting items, and hold down for 1 second to return to the Standby screen�

[▲]/[▼] key

• On the Standby screen, push to adjust the audio level�

• In the Set mode and the Channel Select mode, push to select a value�

[MONI] key

While holding down this key, the Monitor function is ON in the Standby screen�

[ ] key

On the Standby screen, hold down for 1 second to turn the Lock function ON or OFF�

DAbout the Software Key functions

The [Top] and [Side] key functions are dealer assignable� See page 1-4 for details�

The following Software keys are assigned by default:

Key Assigned Software

[Top] Emergency

[Side] S-Ring/C-Ring

1-2

1

PANEL DESCRIPTION

Right side panel

Speaker microphone jack

USB connector (Type-C) [USB]

DConnectors

SPEAKER MICROPHONE JACK

To connect an optional speaker microphone or headset�

USB CONNECTOR (Type-C) [USB]

For only charging the battery�

L The USB connector does not support USB Power

Delivery (USB PD) or data communication�

CAUTION: DO NOT use the transceiver without the connector covers or the optional equipment attached� The transceiver meets IP54 requirements for dust-tight and splash resistance only when the connector covers or the optional HM-183LS speaker

microphone is attached�

Function display

1 2 3

1 TX ICON

Displayed while transmitting�

2 ANTENNA ICON

• Displayed while the channel is busy (receiving)�

• Blinks while the monitor function is turned ON�

3 SIGNAL STRENGTH INDICATOR Displays the relative receive signal strength level�

4 SCAN ICON

• Displayed when the channel is selected as a scan target channel�

• Blinks while scanning�

5 VOX ICON Displayed when the VOX function is ON�

5 6 7

4

8

6 KEY LOCK ICON

Displayed when the Key Lock function is ON�

7 BATTERY INDICATOR

• Blinks while charging�

• Displays the remaining battery charge�

Indication *

Battery

Status

* Blinks when the battery charge decreases to a set

level�

8 ALPHANUMERIC READOUT

Displays messages such as channel number�

Full Mid

Charging

required

Battery

exhausted

1-3

1

PANEL DESCRIPTION

Assignable Software Key functions

Null

No function�

Emergency

1� Hold down during the Emer SW ON Timer period

to enter the Emergency mode�

2� After the Reminder Timer period has passed, an

Alert-Ring call is automatically transmitted once or repeatedly�

NOTE: Set the related settings using the programming software�

L Hold down during the Emer SW OFF Timer period to

cancel the Emergency function before transmitting an Alert-Ring call�

S-Ring/C-Ring

• Push to make a Smart-Ring call�

• Hold down to make a Call-Ring call�

Scan Start/Stop

• Push to start or cancel a scan�

• When the scan starts with the Power ON Scan function, push to pause the scan� The paused scan resumes after the period time entered in the Auto Reset Timer has passed�

• Hold down this key while a scan pauses by detecting a signal on a channel, and then the channel is removed from the scan group� The removed channel is automatically added to the scan group after the scan is canceled�

Surveillance

Push to turn the Surveillance function ON or OFF� When this function is turned ON, the beep does not sound, and the backlight does not light, even when a signal is received, or a key is pushed�

1-4

Section 2

BASIC OPERATION

Turning ON the transceiver ��2-2

D Turning ON the transceiver ��2-2 D Adjusting the audio level ��2-2

Selecting a channel ��2-2

D Selecting an operating channel ��2-2

Receiving and transmitting ��2-3

D Receiving ��2-3 D Transmitting��2-3 D Transmitting notes ��2-3

Call-Ring operation ��2-4

Smart-Ring operation ��2-4

2-1

2

BASIC OPERATION

Turning ON the transceiver

DTurning ON the transceiver

NOTE: Before using the transceiver for the first time,

the battery pack must be fully charged for optimum life and operation� See the BASIC MANUAL for details�

z Hold down [

transceiver�

z Hold down [ ] for 2 seconds to turn OFF the

transceiver�

] for 1 second to turn ON the

Selecting a channel

DSelecting an operating channel

1� On the Standby screen, push [CH/SET]�

• Enters the Channel Select mode, and the channel number blinks�

2� Push [▲] or [▼] to select a channel, and then

push [CH/SET] to apply the setting�

• Returns to the Standby screen�

Depending on the presetting, when the user turns ON the transceiver, a scan automatically starts� The scan stops when a call is received�

[ ]

DAdjusting the audio level

z On the Standby screen, push [▲] or [▼] to adjust

the audio volume�

L The volume can be adjusted between 0 and 32�

2-2

2

BASIC OPERATION

Receiving and transmitting

DReceiving

When a call is received, the antenna icon is displayed�

z Push [▲] or [▼] to adjust the audio output level to a

comfortable listening level�

DTransmitting

z While holding down [PTT], speak at your normal

voice level�

• The “ ” icon is displayed while [PTT] is held down�

[PTT]

DTransmitting notes

Transmit inhibit function

The transceiver has several inhibit functions which restrict transmission under the following conditions:

• The channel is busy� However, depending on the presetting, you can transmit when a call is received that includes a non-matching (or matching) CTCSS (DTCS)�

• The selected channel is a ‘receive only’ channel�

Time-Out Timer

If continuous transmission exceeds the preset Time-Out Timer time, the transmission is cut off�

Penalty timer

After the Time-Out Timer cuts off the transmission, the transmission is further inhibited for a preset penalty period of time�

IMPORTANT:

To maximize the readability of your signal: 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�

2-3

2

BASIC OPERATION

Call-Ring operation Smart-Ring operation

This function sends the preset ringer to your group members�

z Hold down [S-Ring/C-Ring] for at least 1 second to

send the preset ringer�

• The “ ” icon is displayed�

• The ringer may sound while holding down [S-Ring/C-Ring], depending on the setting�

• The same ringer sounds from your group members’ speakers�

NOTE: To use this function, the operating channel and CTCSS tone or DTCS code must be the same on all of your group’s transceivers�

This function can judge whether the other station is within range or out of range� A transceiver that receives a Smart-Ring call from another transceiver sounds the Ringer melody� The called transceivers automatically send an answer back call to your transceiver�

1� Push [S-Ring/C-Ring] to make a Smart-Ring call�

• The “ ” icon is displayed�

• When an answer back call is received, the transceiver sounds the Ringer melody and displays “SR OK”�

• When no answer back call is received, the transceiver sounds three short failure beeps and displays “SR NG”�

2� Push any key to stop the Ringer melody� 3� Push [PTT] to transmit, if necessary�

[PTT]

NOTE:

• To use this function, the operating channel and CTCSS tone must be the same on all of your group’s transceivers�

• This function can be operated for channels which CTCSS tone is set for�

2-4

Section 3

ADVANCED OPERATION

Emergency function ��3-2

D Transmitting an Alert-Ring call ��3-2

3-1

3

[Emergency]

[KEY]

ADVANCED OPERATION

Emergency function

IMPORTANT: It is recommended that the dealer sets up an Emergency channel to provide a reliable Emergency

Alert-Ring call operation�

NOTE: Depending on the presetting, the following functions may be automatically activated�

Auto RX function

After transmitting an Alert-Ring call, the transceiver stands by in the Audible mode for a preset period of time�

D Transmitting an Alert-Ring call

• When the transceiver enters the Emergency mode, a countdown starts� The transceiver counts down during the Reminder Timer set time�

• Before the Reminder Timer set time expires, the transceiver transmits an Alert-Ring call once, or repeatedly*, on the specified Emergency channel�

* Depending on the presetting�

 If no Emergency channel is specified, the Alert-Ring call is made on the previously selected channel�  If the Own ID is set up, you can send the PTT ID with the Alert-Ring call on the MDC 1200 system to know who is calling�  If the transceiver is set for the Silent operation, it transmits an Alert-Ring call without a beep sounding�

• The transceiver automatically transmits a repeat Alert-Ring call until the user turns OFF the transceiver�

The transceiver enters the Emergency mode through the following functions:

The [Emergency] key

When a user holds down [Emergency] for the Emer SW ON Timer preset time�

 If a user holds down [Emergency] for the Emer SW OFF

Timer set time before the Reminder Timer expires, the Emergency mode is canceled�

Enters the Emergency mode.

ON Timer

[Emergency]

Operation

Reminder Timer Emergency Timer

Time

Sends an Alert-Ring call.

If holding down [Emergency] during the Reminder Timer, the Emergency mode is canceled.

The Lone Worker function

When no operation occurs for the ON Timer preset time�

 If a user pushes any key before the Reminder Timer set

time expires, the Emergency mode is canceled�

[PTT][PTT][PTT]

Operation

Enters the Emergency mode.

ON Timer

No operation is detected.

Reminder Timer

Time

Sends an Alert-Ring call.

Emergency Timer

If pushing any key during the Reminder Timer, the Emergency mode is canceled.

3-2

Section 4

USER SET MODE

User Set mode description ��4-2

D Operation in the User Set mode ��4-2

User Set mode items ��4-2

D Ringer type of Smart Ringer ��4-4

4-1

4

USER SET MODE

User Set mode description

The user can enter the “User Set Mode” to customize certain transceiver setting�

DOperation in the User Set mode

Example: Changing the Beep level 1 to 4�

1� Hold down [CH/SET] for 1 second to enter the Set

mode�

2� Push [CH/SET] to select an item�

(Example: Selecting Beep level (BV))

3� Push [▲] or [▼] to select an option.

(Example: Selecting Level 4)

4� Hold down [CH/SET] for 1 second to return to the

Standby screen�

User Set mode items

Item Backlight Beep Beep Level Ringer Level Announce SQL Level Mic Gain VOX VOX Gain Call-Ring Pattern Smart-Ring Pattern

* Displayed when the optional headset is connected

with the OPC-2006LS

Backlight

Sets the Backlight status�

• OFF: Turns OFF the backlight�

• Auto: When pushing any key (except [PTT]), the

• ON: The backlight turns ON all the time�

(Squelch Level)

(Microphone Gain)

plug adapter cable.

backlight automatically turns ON for 5 seconds�

Display

BL BE BV RV AN SQ

MG VX*

VG*

CR SR

Beep

Turns the key-touch beeps and the Channel Announce function ON or OFF�

Beep Level

Sets the beep and announce output level�

• Range: 1 ~ 4

Ringer Level

Sets the ringer level�

• Range: 1 ~ 4

Announce

Turn the Channel Announce function ON or OFF� When the Channel Announce function is ON, the transceiver announces the selected channel number�

L When the Beep function is OFF, the Announce function is

automatically OFF�

SQL Level (Squelch Level)

Sets the squelch level to high or low�

Mic Gain

Sets the microphone sensitivity� Higher values make the microphone more sensitive to the user’s voice�

• Range: 1 (low sensitivity) ~ 4 (high sensitivity)

(Microphone Gain)

4-2

4

USER SET MODE

User Set mode items

VOX

Turns the VOX function ON or OFF� When the VOX function is ON, receiving and transmitting are automatically switched by detecting sounds�

NOTE: To use the function, a headset and the optional OPC-2006LS plug adapter cable are required (purchase separately)�

VOX Gain

Sets the VOX gain� Higher values make the VOX function more sensitive to sounds�

• Range: 1 ~ 10

Call-Ring Pattern

Sets the Call-Ring Pattern to call by placing a melody on the transmission modulation�

L The Call-Ring Pattern function is available 16 types of

Melody patterns for use with the Call-Ring function�

Smart-Ring Pattern

Sets the ringer type that sounds when a Smart Ringer is received�

L See page 4-4 for details of Ringer Type�

4-3

4

50 mSec

50 mSec 50 mSec 50 mSec

50 mSec 50 mSec

50 mSec

100 mSec 100 mSec 100 mSec

50 mSec 50 mSec 50 mSec

40 mSec 40 mSec 40 mSec 40 mSec 40 mSec 40 mSec

40 mSec

120 mSec

USER SET MODE

User Set mode items

DRinger type of Smart Ringer

Options Ringer type Description

NU Null The state of the ringer does not change�

OF OFF Turns OFF the ringer�

1 Pi One high ring sounds once�

2 PiPi Two high rings sound once�

3 Pi- One high long ring sounds once�

4 PiPiPiPiPi Five high rings sound once�

High 1

Freq

High 1

Freq

High 1

Freq

5 PiRo1 The following ringer pattern sounds only once�

High 1

Freq

Low Freq

High 1

Freq

Low Freq

6 PiRo2 The following ringer pattern sounds twice�

High 2

Freq

High 1

Freq

High 2

Freq

High 1

Freq

High 2

Freq

OFFOFFOFF

High 1

Freq

High 1

Freq

High 2

Freq

OFF OFF

Low Freq

High 1

Freq

High 1

Freq

OFF

1R Pi/R One high ring repeatedly sounds during the ringer repeat timer period�

2R PiPi/R Two high rings repeatedly sound during the ringer repeat timer period�

3R Pi-/R One high long ring sounds during the ringer repeat timer period�

4R PiPiPiPiPi/R Five high rings sound during the ringer repeat timer period�

5R PiRo1/R One high and one low rings repeatedly sound during the ringer repeat timer period�

6R PiRo2/R One high and one low rings rapidly and repeatedly sound during the ringer repeat timer

period�

4-4

Section 5

OTHER FUNCTIONS

ID Set mode operation ��5-2

Channel Set mode operation ��5-3

Reassigning a key function ��5-6

VOX function ��5-7

D Optional unit connection ��5-7 D Turning the VOX function ON or OFF ��5-7

5-1

5

OTHER FUNCTIONS

ID Set mode operation

PTT ID function on the MDC 1200 system can send an Own ID with an Alert-Ring call to identify the callers� (p� 3-2) You can rewrite the Own ID with the transceiver�

1� Turn OFF the transceiver� 2� Hold down [ ], [MONI], and [ ] to enter the ID

Set mode�

• “ID ST”, and then the current Own ID is displayed�

3� Push [CH/SET] to edit the Own ID�

• The first digit of the current Own ID blinks�

4� Push [▲] or [▼] to select a number. 5� Push [CH/SET] to move to the right�

6� Repeat step 4 and step 5 to enter all 4 digits� 7� Hold down [ ] for 2 seconds to turn OFF the

transceiver to exit the ID Set mode�

5-2

5

OTHER FUNCTIONS

Channel Set mode operation

This function is convenient to rewrite Frequency, CTCSS tone, and DTCS code which are not assigned to the memory channel�

L The Frequency can be changed from 16 channels�

z Procedures

Turning ON the transceiver (p� 5-3)

Selecting a channel (p� 5-3)

Selecting an operating frequency (p� 5-3)

Selecting a tone type (p� 5-4)

Setting a CTCSS tone (p� 5-4)

Setting a DTCS code (p� 5-5)

1� Turn OFF the transceiver� 2� Hold down [Side], [ ], and [ ] to turn ON the transceiver and enter the Channel Set mode�

• “CH ST,” and then channel number is displayed�

1. Selecting a channel

3� Push [▲] or [▼] to select a desired channel. 4� Push [CH/SET] to set the channel�

2. Selecting an operating frequency

5� Push [▲] or [▼] to select a desired frequency number.

• “FT” and the currently selected frequency number are displayed�

6� Push [CH/SET] to set the number�

• Frequency number list

Number Frequency (MHz) Number Frequency (MHz)

1

2

3

4

5

6

7

8

446�006250

446�018750

446�031250

446�043750

446�056250

446�068750

446�081250

446�093750

9

10

11

12

13

14

15

16

446�106250

446�118750

446�131250

446�143750

446�156250

446�168750

446�181250

446�193750

5-3

5

OTHER FUNCTIONS

Channel Set mode operation

3. Selecting a tone type

7� Push [▲] or [▼] to select a desired tone type. 8� Push [CH/SET] to set the tone type�

When you select the CTCSS tone:

• The current CTCSS tone number is displayed�

➥Go to ʽ4. Setting a CTCSS toneʼ below.

When you select the DTCS code:

• The current DTCS code number is displayed�

➥Go to ʽ5. Setting a DTCS codeʼ on the next page.

4. Setting a CTCSS tone

9� Push [▲] or [▼] to select the desired CTCSS tone number. 10� Push [CH/SET] to set the number�

• CTCSS tone number list

No. Freq. No. Freq. No. Freq. No. Freq. No. Freq.

01

67�0

02

69�3

03

71�9

04

74�4

05

77�0

06

79�7

07

82�5

08

85�4

09

88�5

10

91�5

Recommended CTCSS frequencies

67�0 69�3 71�9 74�4 77�0

79�7 82�5 85�4 88�5 91�5

11 12 13 14 15 16 17 18 19 20

94�8

97�4 100�0 103�5 107�2 110�9 114�8 118�8 123�0 127�3

94�8

97�4 100�0 103�5 107�2

21 22 23 24 25 26 27 28 29 30

110�9 114�8 118�8 123�0 127�3

131�8 136�5 141�3 146�2 151�4 156�7 159�8 162�2 165�5 167�9

131�8 136�5 141�3 146�2 151�4

31 32 33 34 35 36 37 38 39 40

156�7 162�2 167�9 173�8 179�9

171�3 173�8 177�3 179�9 183�5 186�2 189�9 192�8 196�6 199�5

186�2 192�8 203�5 210�7 218�1

41 42 43 44 45 46 47 48 49 50

OF

225�7 233�6 241�8 250�3

(Hz)

203�5 206�5 210�7 218�1 225�7 229�1 233�6 241�8 250�3 254�1

OFF

(Hz)

5-4

5

OTHER FUNCTIONS

Channel Set mode operation

5. Setting a DTCS code

11� Push [▲] or [▼] to select the desired DTCS code number. 12� Push [CH/SET] to set the number�

• DTCS code number list

No. Code No. Code No. Code No. Code No. Code

01/101 02/102 03/103 04/104 05/105 06/106 07/107 08/108 09/109 10/110

11/111 12/112 13/113 14/114 15/115 16/116 17/117 18/118 19/119 20/120

023 025 026 031 032 036 043 047 051 054 065 071 072 073 074 114 115 116 125 131

21/121 22/122 23/123 24/124 25/125 26/126 27/127 28/128 29/129 30/130 31/131 32/132 33/133 34/134 35/135 36/136 37/137 38/138 39/139 40/140

132 134 143 152 155 156 162 165 172 174 205 223 226 243 244 245 251 261 263 265

41/141 42/142 43/143 44/144 45/145 46/146 47/147 48/148 49/149 50/150 51/151 52/152 53/153 54/154 55/155 56/156 57/157 58/158 59/159 60/160

271 306 311 315 331 343 346 351 364 365 371 411 412 413 423 431 432 445 464 465

61/161 62/162 63/163 64/164 65/165 66/166 67/167 68/168 69/169 70/170 71/171 72/172 73/173 74/174 75/175 76/176 77/177 78/178 79/179 80/180

466 503 506 516 532 546 565 606 612 624 627 631 632 654 662 664 703 712 723 731

81/181 82/182 83/183 84/184

OF

732 734 743 754

OFF

L When you select No� 01-84, the code polarity is Normal�

When you select No� 101-184, the code polarity is Inverse�

Recommended DTCS codes

023 025 026 031 032 043 047 051

When you want to change another channel setting:

➥Go to ʽ1. Selecting a channelʼ on page 5-3.

When you want to exit the Channel Set mode:

➥Go to ʽ6. Exiting the Channel Set modeʼ below.

6. Exiting the Channel Set mode

13� Hold down [

054 065 071 072 073 074

114 115

116 125 131 132 134 143 152 155

] for 2 seconds to turn OFF the transceiver, save the settings, and exit the Channel Set mode�

156 162 165 172 174 205 223 226

243 244 245 251 261 263 265 271

306 311 315 331 343 346 351 364

365 371 411 412 413 423 431 432

445 464 465 466 503 506 516 532

546 565 606 612 624 627 631 632

654 662 664 703 712 723 731 732

734 743 754

TIP: You can check your current channel information by following the steps� 1� Turn OFF the transceiver� 2� Push [▲] and [ ] to enter Channel Information mode�

• Displays the current CTCSS tone number, the DTCS code number and frequency number�

5-5

5

OTHER FUNCTIONS

Reassigning a key function

You can reassign another function to the [Side] and [Top] programmable function keys�

1� Turn OFF the transceiver� 2� Hold down [ ], [Top], and [ ] to enter the Key

Assignment mode�

• “KY ST” is displayed�

3� Push [Side] or [Top] to select the key that you

want to reassign�

4� Push [▲] or [▼] to select a desired key function.

• Options 1: Null 2: Emergency 3: Scan Start/Stop 4: Surveillance 5: S-Ring/C-Ring

5� Hold down [ ] for 2 seconds to turn OFF the

transceiver to exit the Key Assignment mode�

When the surveillance function is assigned to [Side]

When the scan function is assigned to [Top]

5-6

5

OTHER FUNCTIONS

VOX function

The VOX function toggles the transceiver between transmit and receive by your voice� This function provides hands-free operation� To use the VOX function, the optional OPC-2006LS plug adapter cable and an optional headset (HS-94, HS-95, or HS-97) are required�

DOptional unit connection

1� Turn OFF the transceiver� 2� Connect an optional headset and OPC-2006LS as

shown to the right�

OPC-2006LS

Turn OFF

* You can also use this function with the optional HS-95 or

HS-97�

DTurning the VOX function ON or OFF

You can turn the VOX function ON or OFF in the Set mode� See page 4-3 for details�

L When the VOX function is ON, is displayed on the Standby screen�

To the speaker microphone jack

HS-94*

5-7

Section 6

OPTIONS

Battery charging ��6-2

D Battery charging �� 6-2 D Charging directly ��6-2 D Charging on the cradle �� 6-2 D Rapid charging the battery pack ��6-3

6-1

6

OPTIONS

Battery charging

DBattery 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�

DCharging directly

USB Type-C

To the [USB] connector

Turn OFF

To an AC adapter or a PC (User supplied)

USB cable

DCharging on the cradle

Turn OFF

Charging cradle (BC-262)

NOTE: Be sure the tabs on the transceiver are correctly aligned with the guide rails inside the cradle�

Tabs

Guide rails

USB cable

USB Type-C

L Charging together

with one cable is not supported� Charge by inserting a cable into each charger�

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�

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�

6-2

6

OPTIONS

Battery charging

DRapid charging the battery pack

You can charge the battery pack with the optional BC-264 battery charger� Install the supplied battery pack so that the terminals of the battery pack and the battery charger meet�

Charging time: Approximately 3�8 hours with 5 V/1 A input

NOTE: Charging time will be longer in extremely hot or cold environments� We recommend charging between 15°C ~ 40°C�

L The battery pack can be charged by the charging with

USB cable

BC-262 inserted�

USB Type-C

Battery pack

BC-264

Charging indicator

• Lights orange: Charging

• Not lit: Battery not installed or charging completed

BC-264

Charging indicator

Charging cradle (BC-262)

Battery pack

USB Type-C

USB cable

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�

TIP: To remove the battery pack, slide the battery pack and lift it up in the direction of the arrow�

6-3

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Icom IC-U20SR User manual

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User Manual