No part of the information contained herein and the other referred documents may be copied,
distributed or transmitted by any means to any other party without prior written permission of Sepura
Limited. The distribution of this document may require a Non-Disclosure Agreement (NDA) between
Sepura Limited and their agents or customers.
This document, the referred documents and the described product are considered protected by
copyright according to the applicable laws.
Disclaimer
Although every reasonable effort has been made to ensure the accuracy of the information contained
herein and any other referred document, this should not be construed as a commitment on the part of
Sepura Limited and the liability of Sepura Limited for any errors and omissions shall be limited to the
correction of such errors and omissions. Sepura Limited welcomes any comment and feedback as a
way to improve any delivered documentation. The information contained herein has been prepared
for the use of appropriately trained personnel, and it is intended for the purpose of the agreement
under which the information is submitted. Any party using or relying upon this information assumes full
responsibility for such use and in no event shall Sepura Limited be liable to anyone for especial,
collateral, incidental, or consequential damages in connection with or arising out of the use of this
information. The information or statements given in these documents regarding the suitability, capacity
or performance of the mentioned hardware or software products cannot be considered binding but
shall be defined in the agreement made between Sepura Limited and the customer. Sepura Limited
reserves the right to revise these documents and to make changes to its content at any time, without
prior notification.
Trademarks
The Sepura logo and some product branding logos and names are registered trademarks of Sepura
Limited.
All other trademarks appearing in this document are the property of their respective owners.
Software license agreement
CAREFULLY READ THE LEGAL AGREEMENT CORRESPONDING TO THE LICENSE YOU
PURCHASED, WHICH DESCRIBES THE GENERAL TERMS AND CONDITIONS FOR THE USE OF
THE LICENSED SOFTWARE.
Contact Details
Sepura Limited
9000 Cambridge Research Park
Beach Drive
Waterbeach
Cambridge
CB25 9TL
United Kingdom
sepura.com
General information
This user guide describes the default operation and features of the SC20 Series radio. Your service
provider or organisation may have customised your radio to optimise its performance to suit your
individual needs. There may be differencesbetween this guide and the way your product operates.
Contact your service provider or organisation for information about the customisation of your radio.
Safety
Before operating the SC20 Series hand-portable radio, read the safety instructions contained in the
Product Safety Guide (SPR-DOC-00170) supplied with the product.
Regulatory
European regulations
Sepura declares that its TETRA radio products are compliant with the essential requirements and
other relevant provisions of the European Radio Equipment Directive 2014/53/EU on the
harmonisation of the laws of the Member States relating to the making available on the market of
radio equipment and repealing Directive 1999/5/EC. These products are also compliant with directive
2011/65/EU having been designed and manufactured to the RoHS requirements.
Simplified EU declaration of conformity
Sepura declares that the radio equipment types SC21, SC20 and STP9000 series hand-portable
radios and SRG3900 mobile radio are in compliance with Directive 2014/53/EU. The full text of the
EU declaration of conformity is available at the following internet address:
www.sepura.com/support/compliance-documents.
Waste Electrical and Electronic Equipment disposal information
This symbol on the product or its packaging indicates that this product must not be disposed of as
household or commercial waste. Some countries have set up collection and recycling systems for
waste electrical and electronic products. By ensuring that this product is disposed of correctly, you
will help prevent potentially negative consequences for the environment and human health, and help
conserve natural resources. Please dispose of your waste product according to your national and
local regulations. Contact your service provider or Sepura for information on how to return this product for
waste disposal.
Disposing of waste batteries
Sepura radios are supplied with a rechargeable battery. This symbol on the battery and its
packaging indicates that it must not be disposed of with household or commercial waste. Please
dispose of your waste batteries according to your national and local regulations. Contact your
service provider or Sepura for advice on disposing batteries in your area of the world.
User Guidei
Federal Communication Commission (FCC) Regulations
Sepura TETRA radios generate, use and radiate RF energy. Radios that comply with the limits for
a Class A digital device, pursuant of part 15 of the FCC rules are identified by an FCC certification
ID label (located under the battery). Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment (rule part
15.21). This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
US and Canada Markets
FCC radiation exposure statement
This radio is intended for use in occupational/controlled applications where users have been made
aware of the potential risks for exposure and can exercise control over their exposure. This product
is not authorised for general population, consumer or similar use. This transmitter must not be colocated or operated in conjunction with any other antenna or transmitter.
IC RSS warning
The term “IC:” before the certification/registration number only signifies that the ISEDC technical
specifications were met.
IC radiation exposure statement
This radio is intended for use in occupational/controlled applications where users have been made
aware of the potential risks for exposure and can exercise control over their exposure. This product
is not authorised for general population, consumer or similar use. This transmitter must not be colocated or operating in conjunction with any other antenna or transmitter.
iiSC20 Series hand-portable radio
CONTENTS
Safetyi
Regulatoryi
Your radio at a glance1
Battery3
Charging the battery4
Charging a 'flat' battery5
Fitting the battery5
Removing the battery5
Using Sepura approved batteries6
Controls & indicators7
Navi-knob7
Navigation Keys7
Soft keys8
Context keys8
Status icons9
LED indicators13
Emergency button14
Getting Started15
Antenna15
Fitting a microSD card16
Fitting a Smartcard18
Power on19
Power off19
Locking and unlocking the keypad20
Home screen21
Shortcut Bar22
Notifications22
Menu23
SmartMenus24
Help24
Emergency operation26
Making an Alarm call27
Receiving an Alarm call27
Clearing an Alarm call27
Power on Alarm call28
Audible tone alerts30
Vibration alerts (Haptics)30
Personalising your radio32
Invert the display32
Adjusting the backlight32
Day/Night mode33
Adjusting text and icon size33
Setting the display language34
Menu style34
Time and Date36
Talkgroups and folders37
Special folders38
Talkgroup Selection Mode39
Typical folder arrangement40
Selecting a talkgroup40
Folder Selection Mode45
Contacts53
Searching and filtering contacts53
View contact details54
Creating contacts54
Editing contacts55
Delete all contacts56
Calls57
Call types57
Call History58
Group calls59
Individual calls60
Broadcast calls63
Quick Calls63
Smart Calls63
Modifying your call setup64
Changing the behaviour of the PTTduring TMO group calls65
Text entry67
Cursor movement67
Character sets68
Chinese character sets68
Messages69
Message Inbox69
Opening messages70
View message details70
Reply to a message71
Saved messages72
SDS report request75
ivSC20 Series hand-portable radio
Picture messages76
Paging alerts76
Networks77
Authentication77
Change Network77
Transmit Inhibit78
Adjusting the DMO power transmission level79
Fallback Mode79
Operating Modes81
DMO Mode81
Repeater Mode83
Callout alerts87
Responding to Callouts87
Callout display91
Group calls to Callout group93
Information Phase93
Features95
Privacy Screen95
View images95
Connector Protector96
User profiles96
Man Down98
Lone Worker99
WAP100
Using WAP100
Browser menu100
Navigation menu101
Settings102
History menu103
Using bookmarks104
Call handling105
Bluetooth® on/off109
Audio devices110
Data devices112
Modifyconnected devices113
User Guidev
Security115
PIN entry115
Change PIN115
Unlocking the radio after incorrect PIN entry115
End-to-End Encryption116
Zeroising117
Asset management118
Labelling118
RFID tag119
Customising your radio119
Revert radio settings to customisation settings120
Accessories122
Accessory profiles122
Belt clip123
Klick fast stud125
Fitting an accessory127
viSC20 Series hand-portable radio
Your radio at a glance
1
2
3
4
5
7
6
8
11
12
13
14
15
16
17
9
10
18
19
20
21
22
23
24
25
ItemDescription
1Antenna.
2Emergency Button. Press and hold (2 seconds) to initiate an Alarm call.
3Rugged Accessory Connector (sRAC). Provides connection for accessories.
4Centre context key. Press to activate the feature or option that appears directly above the key.
5Right context key. Press to activate the feature or option that appears directly above the key.
6Red (Cancel/Home) key. Press and hold (2 seconds) to power on your radio. From the Home
screen, press and hold (4 seconds) to power off. Press and hold (2 seconds) to return to the Home
screen from any other screen.
7Alphanumeric keypad with backlight.Use the keypad to enter alphanumeric characters for text
editing and dialling. Keys 0–9, # and * are programmable soft keys.
8Microphone used for full-duplex phone calls.
9Audio Ports with LoudSpeaker behind used during half-duplex calls when an audio accessory is
not connected and the radio is held in the hand.
10Navigation keys. Press to scroll through lists and move the cursor when writing text.
11Green (Select/Send) key. Press to initiate a half-duplex individual call or a full-duplex call. Press to
select a menu item or action a function, or send a status or text (SDS) message.
User Guide1
ItemDescription
12Left context key. Press to activate the feature or option that appears directly above the key.
13Colour display with backlight.
14Earpiece and microphone. Earpiece is active during full-duplex phone calls when the radio is held
like a mobile phone against the ear. Speak into the microphone during half-duplex calls when the
radio is not attached to an audio accessory and held in the hand.
15Tri-colour LED (indicator). Indicates various operational states of the radio.
16Blue LED (indicator). Indicates a missed event such as a call, Callout or message. Also indicates
Bluetooth® status.
17Navi-knob. Rotate to adjust the speaker volume.
18Side Button (A/B) (soft keys). Press to activate a programmed feature.
19PTT (Press-to-talk) button. Press and hold to talk during a group call. Release to listen to other
radio users.
20Side Button (C) (soft key). Press to activate a programmed feature.
21Digital Accessory Connector (sDAC). Used to charge the battery, program the radio and attach
accessories.
22Battery
23Accessory attachment point for Klickfast accessories such as a belt clip or other accessory
designed for securing the radio during use.
24External Antenna Connector used with a car kit to attach an external antenna to the radio.
25RFID tag for monitoring and auditing purposes.
2SC20 Series hand-portable radio
Battery
For your safety, inspect the battery regularly for any signs of damage, such as cracks or surface
damage caused by an impact or the battery being dropped. Fit a new battery if there are any signs of
damage.
Warning! Risk to personal safety. Sepura TETRA radios have been tested and
certified using Sepura approved batteries. The use of non-approved batteries may
damage the product, will result in non-compliance with regulatory requirements,
compromise the product safety ratings including SARS, reduce the length of operating
time and will invalidate the product warranty.
Checking the battery charge
Always check the amount of battery charge before lengthy periods of operation. A fully charged
battery should provide continuous operation for a full shift, depending on a number of operational
factors such as how the radio is operated, the operating environment (temperature and network
signal strength) and the condition of the battery. When the radio is powered on, the amount of charge
remaining may be displayed as a percentage (%) on the screen.
Battery charge indicators
A battery meter appears on the status line at the top of the radio display. The meter consists of 4 bars
comprising 8 segments that fill and empty corresponding to the estimated amount of charge
remaining.
IconDescription
Battery is fully charged.
Battery is 50% charge capacity.
Battery has >12% charge remaining.
Battery charge less than 12% charge remaining.
Optimising battery life
A fully charged battery should last a full shift (approximately 12 hours) but this depends on a number
of operational factors, such as how the radio is operated, the operating environment (temperature
and network signal strength) and the condition of the battery.
Try the following to help you optimise battery life on a daily basis:
User Guide3
Ensure that batteries are fully charged at the start of a shift.
Decrease the amount of time the backlight stays lit between key presses (see Adjusting thebacklight on page32).
Keep your speaker audio volume to a minimum (see Adjusting the volume on page29).
Reduce the length of time the radio is transmitting and keep DMOor telephone type calls to a
minimum because they cause higher current consumption.
Shorten the GPS reporting intervals if enabled (see Reporting options on page108).
Charging the battery
Your radio is powered by a rechargeable battery. The battery may be recharged many times but it
will eventually need replacing to ensure continuous maximum performance from your radio.
First time battery charging
New batteries (Standard battery part no. 300-01174 and High Capacity battery part no. 300-01175)
are supplied in 'storage mode' which means theyhave a minimum amount of charge for storage
purposes. Before using a new battery for the first time it must be fully charged to reactivate it. If the
battery is used before it is reactivated (fully charged) the radio may not power on, or may indicate a
low battery status icon or low level of charge.
Battery chargers
Only use Sepura approved battery chargers. Use of non-approved chargers may not fully charge the
battery or damage it. Always read the user documentation supplied with the charger for additional
safety instructions and how to use it.
Charging methods
The radio may be powered on or off during charging.
Attach the Charger cable to the connector at the base of the radio or place the radio with battery
attached into a charging dock. During charging, the tri-coloured LED on the radio indicates the
charging progress and thecharging icon appears on the status line, providing there is sufficient
charge in the battery to support this function.
Status LEDDescription
Flashing OrangeBattery temperature is either too hot or cold to commence charging.
Solid OrangeCharging in progress.
Solid GreenCharging complete.
Solid RedBattery has failed to charge and may be not be chargeable. Contact your
service provider or Sepura.
The battery may be charged separately from the radio using a battery-only charger.
4SC20 Series hand-portable radio
Charging a 'flat' battery
If the battery is completely 'flat' (without charge) during storage or after a long period of non-activity, it
may fail to recharge or stop charging after 20 minutes. If this happens, disconnect and then
reconnect the charger (or power off the charger, then power on) to reset the battery.
NOTE: Do not charge a flat battery attached to the radio. During charging, the radio
will attempt to power on when the battery charge reaches a certain capacity, which
will continually drain the battery of its charge. Always charge a flat battery with the
radio powered off or using a battery charger.
Fitting the battery
Ensure that the Smart/microSD card compartment cover is securely latched before fitting the
battery.
Warning! Caution! If a Belt clip or Shirt/Pocket clip is fitted to the radio, lift the Belt
clip or Shirt/Pocket clip before attempting to fit the battery. Do not attempt to insert
the battery into the battery compartment sideways under the clip. This may result in
damage to the radio and the belt clip.
To fit the battery, insert the battery into the battery compartment as shown. Press the battery
downwards until it clicks into position.
Removing the battery
Power off before removing the battery.
Caution! Risk of damage to the radio. If a Belt clip or Shirt/Pocket clip is fitted to the
radio, lift the Belt clip or Shirt/Pocket clip before attempting to remove the battery. Do not
attempt to remove the battery from the battery compartment sideways under the clip. This
may result in damage to the radio and the belt clip.
Push the safety latch on the bottom of the battery. Lift the battery upwards and remove.
User Guide5
Using Sepura approved batteries
When the radio is powered on, it checksthe authenticity of the battery. There are a number of battery
management features that only work when a genuine Sepura battery is fitted to the radio, including:
the remaining battery charge appears as a percentage when your radio is powered on
[customisable];
battery meter icons, showing the remaining battery charge;
a low battery warning appears when charge is low; and
allowing the user to check the battery information, such as its authenticity, remaining charge
and serial number [customisable].
If a non-approved battery is used, the radio displays a warning message when powered on. Press
any key to clear the message.
Caution! Risk of damage to the radio. Non-approved batteries may not have inbuilt safety
protection features, and could potentially damage the radio (invalidating any product
warranty) and affect the radio's safety and IP compliance ratings.
Getting information about your battery
You can view information about the battery attached to the radio, such as the remaining battery
charge, whether the battery is authenticated (a genuine Sepura battery) and the battery serial
number [customisable].
Select Menu > Options > Battery Information.
The display shows:
Charge—the current remaining charge given as a percentage
Authenticated/Unauthenticated—a Sepura/non-Sepura battery is fitted
serial number—the serial number of the battery
If a non-Sepura battery is fitted, the Charge is reported as 0%, the battery is marked as
Unauthenticated and the serial number is not shown.
6SC20 Series hand-portable radio
Controls & indicators
Your radio has a number of controls and indicators.
Navi-knob
The Navi-knob is a continuous rotating knob that in its normal mode is used to adjust the volume. The
Navi-knob can also be used to perform various other functions.
Move cursor and select characters (in text
entry mode)
Scroll through available talkgroups
Scroll through available Status Messages
Scroll through available User Profiles
Navigation Keys
Rotate Navi-knob
Rotate Navi-knob in Text Entry Mode
or Editing Mode
From the Home screen, press
Groups + rotate the Navi-knob
From the Home screen, press
Groups 2 times + rotate the Naviknob
From the Home screen, press
Groups 3 times + rotate the Naviknob
Your radio has four navigation keys (left/right/up/down).
KeyAction
Up/Down
DownOpen the top level menu from the Home screen.
UpRepeated presses moves upwards through the options and menu levels until
Left/Right
User Guide7
Use to move the scroll bar up and down to see more information.
Scroll a list of options.
To independently adjust the volume of accessories. See Independentvolume control feature on page1.
the top level menu is reached.
Movesbetween options on the top level menu.
Movesthrough the text characters for selection when writing.
NOTE: When the display is inverted (flipped upside down) the left and right navigation
keys work in opposite directions.
Soft keys
Some keys on your radio may be customised to provide one-touch access to regularly used features.
These programmable keys are referred to as soft keys.
To activate the soft key function:
assigned to a programmable soft key, press and release
assigned to other keys (such as the keypad, Cancel/Home and Select/Send keys), press
and hold for one second
The following keys can be customised as soft keys:
the Select/Send key
the Cancel/Home key
the Emergency Button (if not assigned to Emergency operation)
the programmable side buttons
all radio keypad keys (1–9, *, 0, #,)
NOTE: During full-duplex PSTN/PBX calls, take care when trying to activate soft
keys (designated as 0–9,* and # keys) because they also generate DTMF tones.
There are many functions that can be assigned to a Soft key. Some functions are activated
immediately, such as the keypad lock/unlock or loudspeaker on/off. There are some special
functions that use a ‘navigate to screen’ function. This means that on activation, a screen displays
and you need to take some additional action, such as activating a SmartMenu where you have to
select an option.
Context keys
Your has a left, centre and right context key which you use to select options displayed adjacent to
them.
Context labels appear at the bottom of the screen, directly above each context key. These labels
show the action of the key when it is pressed; either activating a feature or performing a function
such as clearing a call (Clear) or selecting an option (Select).
The labels and actions of the context keys in the Home screen are:
Context
key
LeftMenuPress to enter the main menu.
8SC20 Series hand-portable radio
LabelAction
Context
key
LabelAction
Centre
Groups
Status
Profiles
RightShortcutPress to open the Shortcut Bar to quickly access regularly used
Press to change the talkgroup. See Selecting a talkgroup on
page40
Press 2 times to send a status message. See Messages on
page69.
Press 3 times to select a user profile. See User profiles on
page96
features or clear a notification. See Notifications on page22 andShortcut Bar on page22
Set context key shortcut
The shortcuts available for selection as shortcuts are set during the customisation of your radio.
NOTE: You can only use the left and right context keys and soft keys on the top level
screen (Home Screen).
To set a context key Home Screen shortcut
1. Open the Home screen.
2. Press and hold the context key until the Context Key Selection box appears.
3. Navigate to the shortcut in the list and press Select.
The key is reconfigured and the new shortcut label appears in the Home screen.
Status icons
Icons appear on the status line (at the top of the display) when the radio is engaged in certain
activities or when certain functions are active.
IconDescription
Security and Emergency
Emergency
Appears when emergency operation mode is active on your radio
and an Alarm call is in progress.
Air Interface Encryption disabled
Calls and Callouts will not be encrypted.
User Guide9
IconDescription
E2E Encryption enabled
The Secure Communications icon indicates that the selected
talkgroup is customised for End-to-End Encryption. In other words,
calls you make by pressing the PTT button are End-to-End
Encrypted.
E2E Encryption disabled
Indicates that the call is not encrypted.
Key agreement
Indicates that a cryptographic key agreement is in progress
between the radio and the Key Management Centre (KMC) on the
network. (See End-to-End Encryption on page116.).
Trunked Mode Operation (TMO)
Outgoing TMOcall in progress
You are in a call that you initiated.
Incoming TMO call in progress
You are in a call that was initiated by another person or your
dispatcher on the TMO network.
Missed incoming TMO call
You have missed an incoming TMO call. The blue LEDflashes. A
notification alerting you to the missed call appears in the Shortcut
Bar.
Scanning enabled
You radio is scanning (listening) to all available talkgroups within
your scan list for activity.
Broadcast Call
A high-priority group call (point-to-multi-point) initiated by your
Dispatcher to all network radio users. You cannot reply to the
caller.
Direct Mode Operation (DMO)
Incoming DMO call
You are in a DMO call that was initiated by another radio user.
Outgoing DMO call in progress
You are in a call to another radio user.
Missed incoming DMO Call
The blue LEDflashes to notify you that you have missed an
incoming DMO call. A notification alerting you to the missed call
appears in the Shortcut Bar.
DMOGateway detected
Appears when the radio has detected a DMO gateway. The icon
disappears when the radio moves out of range of the gateway.
10SC20 Series hand-portable radio
IconDescription
DMO Gateway off
DMO Repeater detected
Appears when a DMO repeater is detected and the radio can
communicate with any other radios in the selected DMO talkgroup
which are also in range of the repeater.
Repeater ignored
Repeater mode off
DMO transmission power. The radio has been set to a higher
transmission power than the normal transmission power level.
DMO transmission power. The radio has been set to a lower
transmission power than the normal transmission power level.
General icons
Migrated
Your radio is registered on a Visited Network.
Signal Strength
Shows the current signal strength. More bars indicate a stronger
signal.
Good radio coverage
Indicates good radio coverage.
No service
Indicates poor signal or no radio coverage.
Battery Strength
Indicates the level of charge in your battery. More bars indicates
more charge.
Low battery warning
Appears when there is less than 12% charge remaining in the
battery.
Charging
Appears when the battery is attached to the radio during charging
and the radio is powered on.
Keypad locked
Transmit Inhibit
Indicates that you have activated transmit inhibit and the radio is
unable to transmit (overridden when Emergency mode is
activated).
User Guide11
IconDescription
Privacy mode active during a call
Appears for the duration of a call when Privacy mode has been
activated to prevent any other calls interrupting an important
individual call.
Pre-emptive Call
If pre-emptive priority calls have been customised on the radio.
The icon is displayed if you or another user has initiated a preemptive call on the network.
Covert operation mode enabled
The radio turns off any visual and sound alerts, and displays this
icon when covert operation mode is enabled.
Group Focus
Appears when Group Focus is enabled, preventing any calls from
other talkgroups (other than the selected talkgroup) connecting to
the radio.
User Profile
Appears when a user profile is activated. Your radio may be
programmed for a number of user profiles. The number next to the
icon indicates the chosen user profile.
Connector Protection enabled
Indicates that you have enabled connector protection. You can use
your radio in salt water environments without a cover fitted to the
Facilities connector at the bottom of the radio.
Connector Protection disabled
Indicates that connector protection is disabled. Do not use your
radio in salt water environments without a cover fitted to the
Facilities connector at the bottom of the radio.
Communication Type Mismatch
This icon appears when there is a mismatch in communications
and is activated when:
the radio is out of range of a gateway when another radio
within range of the gateway is in a group call, and you
cannot participate in the call. and that you cannot take part in
the call.
a radio out of range of the gateway isattempting to respond
to a group call, and the speech if not being routed using the
gateway to TMO users.
a radio within range of a DMORepeater cannot make a call
and attempts to set up a call in DMO instead, the icon
appears on all radios within the talkgroup to indicate that
there are members of the talkgroup who cannot take part in
the call.
12SC20 Series hand-portable radio
IconDescription
Bluetooth® device connected
Appears when you have activated Bluetooth® and have
successfully connected a device.
Bluetooth® on, no device connected
Shows that you have activated Bluetooth® but do not have a
device connected.
Lone Worker protection enabled
Indicates that you have enabled the Lone Worker feature on your
radio.
Man Down motions and tilt sensors active
You have enabled the Man Down feature and the motion and tilt
sensors are active.
Man Down Tilt sensor active
You have enable the Man Down feature, but only the tilt sensor is
activated.
Man Down motion sensor active
You have enable the Man Down feature, but only the motion
sensor is activated.
GPS tracking enabled
Indicates that the GNSS (Global Navigation Satellite System)
function has been enabled.
GPS tracking not available
LED indicators
Blue LED
The blue LED indicates either a missed event, such as a missed call or unread message, or your
Bluetooth® status (if enabled). Notifications alerting you to the missed calls, Callouts or unread
messages appear in the Shortcut Bar. See Notifications on page22.
LED IndicationDescription
Flashing on for 1 second, off for one second, on
for another second, then off for seven seconds
One flash every 10sBluetooth® function is enabled
Continuous rapid flashingRadio is in Bluetooth® discoverable
Missed event
(visible) mode
User Guide13
Tri-colour LED
The tri-colour LED indicates the operational state of the radio.
LED ColourDescription
Solid greenRadio is powering on or in a call and receiving
Solid redRadio is in a call and transmitting
Intermittent flashing
red
Flashing orangeIncoming telephone call or SDS/Status message
Intermittent four
flashes orange
Attempting to connect to the network or incoming telephone
SDS/Status message or battery low warning
Transmit Inhibit mode or Fallback mode are active
Emergency button
The red button on your radio is typically programmed to activate an Alarm Call. See Emergencyoperation on page26.
Press and hold (2 seconds) the Emergency button to initiate an Alarm Call.
If the radio is powered off, press and hold (3 seconds) to power on and initiate an Alarm Call. It may
take several seconds for the radio to complete its power on process before initiating the Alarm call.
14SC20 Series hand-portable radio
Getting Started
Antenna
Your radio must be fitted with an antenna at all times (unless your radio is used with an external
antenna such as an RSM) during operational periods. Transmitting without an antenna attached
may damage the product. Your radio is designed for use with Sepura approved antennas.
Always ensure that the seal between the antenna and the radio ismaintained.
Never touch the antenna when the radio is transmitting. Ensure your radio is powered off before
fitting or removing the antenna.
Fitting the antenna
1. Insert the base of the antenna into your radio's antenna connector.
2. Rotate the antenna clockwise until it is finger tight. Then apply another 1/4 turn clockwise.
Removing the antenna
Rotate the antenna counter-clockwise until it can be removed from the radio.
User Guide15
Fitting a microSD card
Your radio supports microSDHC 32 GB cards that must be formatted for the FAT16 file system.
1. Lift the cover using a small screw driver or tweezers.
2. Carefully lift the metal retainer and insert the card as shown.
NOTE: Use care when opening/closing the metal card retainer. If it becomes
detached, it can be clipped back into place.
3. Carefully close the metal retainer.
4. Close the cover. Using your thumbs, press downward firmly on either side of the cover as
shown to secure each tab. You must ensure that the compartment cover is secured. Not
securing the cover will affect your radio's IP rating.
16SC20 Series hand-portable radio
User Guide17
Fitting a Smartcard
If required by your network operator, you may need to fit a Smartcard to your radio.
1. Lift the compartment cover using a small screw driver or tweezers. The cover is secured by
two tabs located at the top of the cover, either side of the recess.
2. Insert the card into the slot on the underside of the cover as shown, ensuring that the card is
secured between the two tabs.
3. Close the cover. Using your thumbs, press downward firmly on either side of the cover as
shown to secure each tab. You must ensure that the compartment cover is secured. Not
securing the cover will affect your radio's IP rating.
Caution! Risk of damage to the radio. Do not attempt to remove the card holder cover by
levering along the sealed edges with tooling. The cover must be refitted correctly to retain the
radio's IP rating.
Caution! Risk of damage to the radio. Do not over-extend the card holder in the open
position as this can cause permanent damage.
18SC20 Series hand-portable radio
Power on
To power on, press and hold (2 seconds) the Cancel/Home key.
Your radio attaches to the last selected talkgroup when it is powered off (if it is 'in service'). This is
customisable.
Depending on your radio's customisation any of the following may display:
the percentage of charge remaining, if a Sepura battery is fitted
a company logo
a splash screen
a welcome screen
a PIN entry screen
NOTE: A message may be displayed relating to the authenticity of your battery or
attached accessory. A message may appear if your software licence has or is about
to expire.
If your radio supports Radio User Assignment (RUA), which authenticates your radio on the
network, you may be prompted to log on to your network. See Authentication on page77.
Transmitting in 3W RF is only available when using a Sepura 3W battery. During power on the radio
checks the authenticity of the battery and whether it has the capacity for the radio to transmit 3W RF.
A message displays and the power may be limited if the radio cannot transmit in 3W RF when
licensed to do so.
If an accessory is detected when the radio is powered on, and it is the same accessory that was
attached at power off, the radio will continue to operate using the selected accessory profile. See
Accessory profiles on page122.
Power off
Caution! Risk of damage to the radio. Do not power off the radio by removing the battery.
The radio must be powered off correctly to ensure that it performs a controlled 'powered
down'.
To power off, from the Home screen press and hold (4 seconds) the Cancel/Home key.
Scroll to the Shutdown option, then press the Select key to power off your radio. Before
powering down, alerts and messages may be sent.
If your radio is configured to provide an option to delete Callouts, navigate to Shutdown or DeleteCallouts then press the Select key.
User Guide19
Locking and unlocking the keypad
To prevent accidental activity during operation, you can lock the keypad. This will also prevent
access to the radio's functions if the radio is stolen. When the keypad is locked, theKey icon
appears in the status line.
The keypad can be locked manually or set to lock automaticallyafter a period of inactivity.
NOTE: If customised, your radio's keypad can be locked when an accessory is
attached.
Receiving calls with locked keypad
If you receive a telephone call when the keypad is locked your radio can be customised so that the
Select/Send key can still be pressed to answer it. If the call isaccepted the whole keypad is
unlocked. Your radio can also be customised so that you can press the Cancel/Home key to reject
the call and in this case the keypad remains locked.
Navi-knob with locked keypad
Your radio may be customised so that the Navi-knob is locked when the keypad is locked. In this
case you cannot alter the volume by rotating the Navi-knob.
Your radio can also be customised so that the Navi-knob remains unlocked and in this case it can be
used for volume control only while the keypad is locked.
Side button soft keys with locked keypad
Your radio may be customised so that the side button soft keys (A,B and C) are locked when the
keypad is locked. In this case you cannot activate any programmed features bypressing the buttons.
Your radio can also be customised so that the side button soft keys (A,B and C) remain unlocked and
in this case they can be used to activate any programmed featureswhile the keypad is locked.
To lock/unlock the keypad:
Press the * (star) key (or a designated soft key), then press the OK context key to lock/unlock the
keypad.
To quickly lock and unlock the keypad, press and hold (2 seconds) the * (star) key.
If you press any other key while the keypad is locked no action is taken. The Navi-knob remains
unlocked when the keypad lock is enabled. A message is displayed to remind you that the keypad is
locked.
Alternatively, you can:
20SC20 Series hand-portable radio
1. Select Menu > Options > Settings > Keypad Lock.
2. Press Lock to lock the keypad.
Setting the radio to automatically lock the keypad
You can set the radio to automatically lock the keypad after a period of inactivity.
2. Press Toggle to enable/disable auto keypad lock.
Home screen
The top level screen, known as the home screen, appears when the radio powers on and when it is
idle.
To quickly get backto the home Screen, press and hold (2 seconds) the Cancel/Home key.
The status line, at the top of the screen, displays various icons to indicate the state of operation or
when certain functions such as keypad lock have been activated. It can also be configured to display
the Network Name when the radio is idle.
The context key labels at the bottom of the screen indicate what the context key directly below the
label is configured to do. These labels change according to where you are in the menu hierarchy.
#Description
1Status line showing the radio coverage signal strength, battery charge indicators, and
operational status icons.
2Information area containing information that only appears on the Home screen. This is
customised by your service provider or organisation. It may show date and time, your
selected talkgroup, folder and network name (Mobile Network Code Alias).
3Context key options (available in the Home screen).
User Guide21
Shortcut Bar
You can easily access commonly used radio features such as your Inbox, and turn features on and
off using the Shortcut Bar. The Shortcut Bar can contain up to 5 radio features and some of these
can be paired with notifications to alert you to a missed call or a new message in your Inbox.
To open the Shortcut Bar, in the Home screen press the Shortcut context key or the Up navigation
key.
#Description
1Use the navigation keys to scroll through the notifications and features. Notifications
always appear to the left of features. Press the Right navigation key to continue scrolling
right to view more shortcuts (if available).
2To open a notification or feature, highlight it and press the Select context key.
3Press the Back context key to close the Shortcut Bar without opening a feature. The
Shortcut Bar cannot be closed if there are notifications.
Notifications
Like a Smartphone, your radio can display notifications to indicate a missed call or new message.
They also appear when certain functions are enabled such as mute and transmit inhibit. Your radio
can display up to 5 notifications, and up to 5 shortcuts for commonly used radio features.
Some features can be paired with notifications, such as your Inbox so when a message is received a
notification appears in the Shortcut Bar to alert you to the unread message. When paired with a
feature, the feature icon appears with a notification badge . Notifications paired with features
appear to the left of all other feature icons.
The following notifications can be paired with a feature:
IconNotificationPaired Feature
Unread messageInbox
Missed callCall History
Missed CalloutCallout
To close a notification:
From the Home screen, press the Shortcut context key or the Up navigation key to open the
Shortcut Bar, highlight the notification then press the Select context key. Use the feature in the usual
way, for example, read an unread message or respond to a missed call. The notification
automatically closes and disappears from the Shortcut Bar.
22SC20 Series hand-portable radio
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