Kobalt KJR 124B-03 User manual

SM21482
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m., EST,
Monday - Sunday. You could also contact us at [email protected] or visit
www.lowespartsplus.com.
ATTACH YOUR RECEIPT HERE
Serial Number Purchase Date
ITEM #3764095
24V JOBSITE RADIO
MODEL #KJR 124B-03
Español p. 17
KOBALT and logo design are trademarks
or registered trademarks of LF, LLC.
All rights reserved.

2
TABLE OF CONTENT
Product Specications...................................................................................... 2
Package Content.............................................................................................. 3
Safety Information............................................................................................5
Preparation....................................................................................................... 7
Operating Instructions...................................................................................... 8
Care and Maintenance...................................................................................14
Troubleshooting.............................................................................................. 14
Warranty.........................................................................................................15
PRODUCT SPECIFICATIONS
COMPONENT SPECIFICATION
AC Power Adaptor 120V~ 60Hz
Voltage for DC Operation 24 V
Speaker Power (2) Woofer: 30W; (2) Tweeter: 20W
IP (Ingress Protection) Grade IP64*
AUX Connector 3.5 mm
Bluetooth Version V5.0
Bluetooth Range Up to 150 ft.
USB Output 5 V , 2.1 A
Recommended Operating and Charging
Temperature
41°F (5°C) - 104°F (40°C)
* NOTE: IP64 is true when the the USB/AUX ports and the DC Socket are covered.

3
PACKAGE CONTENT
B
A
C
H
S
G
F
Q
P
O
D
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N M L K J I
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T U V

4
PACKAGE CONTENT
PART DESCRIPTION PART DESCRIPTION
A Handle L Tune/Seek Down
B Antenna M On/Off Button
C DC Socket N Bluetooth-pairing Button
D EQ Button O USB Power Port (Type C)
E Clock Button P USB Power Port (Type A)
F Display Q AUX (auxiliary) Input Port
G Volume + Button R Battery Pack Port
H Volume – Button S Clock Battery Door
I Mode Button T AC Power Adaptor
J Tune/Seek Up U AUX Cable
K Play/Pause/Preset Button V Clock Batteries
WARNING
• Remove the tool from the package and examine it carefully. Do not discard the carton or any
packaging material until all parts have been examined.
• If any part of the tool is missing or damaged, do not attach the battery to use the tool until
the part has been repaired or replaced. Failure to heed this warning could result in serious
injury.

5
SAFETY INFORMATION
Please read and understand this entire manual before attempting to assemble or operate
this product. If you have any questions regarding the product, please call customer service at
1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m., EST, Monday – Sunday. You could also
contact us at [email protected] or visit www.lowespartsplus.com.
Know the Tool
To operate this tool, carefully read this manual and all labels afxed to the tool before using it.
Keep this manual available for future reference.
Important
This tool should be serviced only by a qualied service technician.
Read All Instructions Thoroughly
Some of the following symbols may be used on this tool. Please study them and their meaning.
Proper interpretation of these symbols will allow you to operate the tool better and more safely.
SYMBOL DEFINITION SYMBOL DEFINITION
V Volts or d.c. Direct Current
A Amps or a.c. Alternating current
Hz Hertz
A danger, warning, or
caution. It means ‘Attention!
Your safety is involved.’
W Watts
To reduce the risk of injury,
user must read instruction
manual.
General Power Tool Safety Warnings
WARNING
• Read all safety warnings, instructions, illustrations and specications provided with
this apparatus. Failure to follow all instructions listed below may result in electric shock, re
and/or serious injury.
• To reduce the risk of re or electric shock, do not expose this apparatus to rain or
moisture. Do not use this apparatus near water. Dry location use only.
• Only operate this apparatus in a well-ventilated area.
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions.

6
SAFETY INFORMATION
• Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including ampliers) that produce heat.
• Only use attachments/accessories specied by the manufacturer.
• Detach the battery pack from the apparatus during lightning storms or when unused
for long periods of time.
• Refer all servicing to qualied service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has been dropped. Service or
maintenance performed by unqualied personnel could result in a risk of injury.
• A battery-operated apparatus with integral batteries or a separate battery pack must
be recharged only with the specied charger for the battery. A charger that may be
suitable for one type of battery may create a risk of re when used with another battery.
• Never disassemble the apparatus or try to do any rewiring on the apparatus’s
electrical system.
• Maintain the apparatus. Check for misalignment, breakage of parts and any other
condition that may affect the apparatus operation. If damaged, have the apparatus
repaired before use. Use the apparatus in accordance with these instructions,
taking into account the working conditions and the work to be performed. Use of the
apparatus for operations different from those intended could result in a hazardous situation.
• Keep the apparatus away from other metal objects, such as paper clips, coins, keys,
nails, screws, or other small metal objects that can make a connection from one
terminal to another. Shorting the terminals together may cause burns or a re.
• Do not use the apparatus if it has been dropped or received a sharp blow. A damaged
apparatus will increase the risk of re.
• Dispose of a used battery promptly. Keep away from children. Do not disassemble and
do not dispose of in re.
• Recharge only with the charger specied by the manufacturer. A charger that is suitable
for one type of battery pack may create a risk of re when used with another battery pack.
• For use with KOBALT 24V battery packs. Use of any other battery packs may create a
risk of injury and re.
BATTERY PACK CHARGER
KB 124-03; KB 224-03; KB 424-03;
KB 524-03; KB 624-03; KXB 424-03
KXB 824-03
KRC 2445-03; KRC 2490-03;
KRC 2404-03; KDPC 124-03
• For best results, your battery and tool should be stored, charged and used in a
location where the temperature is more than 41°F (5°C) but less than 104°F (40°C). Do
not store outside or in vehicles.
WARNING
• People with electronic devices, such as pacemakers, should consult their
physician(s) before using this product. Operation of electrical equipment in close
proximity to a heart pacemaker could cause interference or failure of the pacemaker.
• Save these instructions. Refer to them frequently and use them to instruct others who may
use this product. If you loan someone this product, loan them these instructions also.

7
SAFETY INFORMATION
FCC CAUTION
• Changes or modications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
• 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.
NOTICE: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment 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 equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
RF warning statement:
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
PREPARATION
Know Your Jobsite Radio
Before attempting to use the radio, familiarize yourself with all of its operating features and
safety requirements.
WARNING
• Do not allow familiarity with the apparatus to cause carelessness. Remember that one
careless moment is enough to cause severe injury. Before attempting to use any apparatus,
be sure to become familiar with all the operating features and safety instructions.
• Do not attempt to modify this apparatus or create accessories not recommended for use
with this apparatus. Any such alteration or modication is misuse and could result in a
hazardous condition leading to possible serious personal injury.

8
OPERATING INSTRUCTIONS
1. Battery Pack
To Attach Battery Pack
1. Align the raised rib on the battery pack with the
grooves in the battery pack port (R), then slide
the battery pack into the unit.
2. Ensure that the battery-release buttons on the
battery pack snap into place and the battery
pack is secured to the unit before beginning the
operation.
NOTICE: When placing the battery pack on the
tool, be sure that the raised rib on the battery pack
aligns with the groove on the tool and the latches
snap into place properly. Improper assembly of the
battery pack can cause damage to internal components.
To Detach Battery Pack
1. Press the battery-release buttons to release the battery pack.
2. Pull the battery pack to remove it from the tool.
2. To Use Supplied AC Power Adaptor
Insert the AC power adaptor plug into the DC
Socket (C) on the top of the radio. Plug the adaptor
(T) into a standard power outlet. Whenever the
power adaptor (T) is connected, the battery pack
is automatically disconnected. The AC adaptor (T)
should be disconnected from the power outlet when
not in use. Close the rubber cover to protect the DC
Socket (C) from dust, dirt, and moisture.
NOTE: The battery pack cannot be charged using
the power adaptor (T). The battery pack can only
be charged using chargers specied earlier in this
manual.
3. To Connect an External Player to AUX Input
Port
a. Select the AUX operating mode using the mode
button (I).
b. Insert the AUX cable (U) into the AUX input
port (Q) and make sure that they are properly
connected.
c. Connect an MP3 player, CD player, or other
audio device directly to the unit, using the AUX
cable (U).
d. Switch on the external audio device and start
the playback.
e. Adjust the volume with the regulator on the
external audio device or the volume buttons of
the unit.
2
C
3
Q
U
1
Battery-release
Buttons
R

9
OPERATING INSTRUCTIONS
f. After disconnecting the AUX cable (U) close the cover to protect the ports from dust, dirt,
and moisture.
NOTE: The AUX port is for INPUT only. Do not connect headphones or speakers.
NOTE: Batteries of the connected devices cannot be charged via the AUX connection.
4. USB Power Ports
When a battery pack is installed or the unit is
connected to the AC power adaptor and the unit
is turned on, the USB power ports (P) and (O) will
supply charging power for low power devices such
as cell phones, MP3 players, etc. Immediately
disconnect the USB device after charging. Close
the rubber cover to protect the ports from dust, dirt,
and moisture.
NOTE: The USB power ports cannot be used for
audio playback. Audio playback is only possible via
Bluetooth or AUX connection.
5. To Install Clock Batteries
Your unit is equipped with memory function to store
the time and your preset radio stations. When the
unit is in the OFF position, this memory function is
powered by two clock batteries which need to be
installed in the unit.
a. Use a screwdriver (not included) to loosen and
remove (turn counterclockwise) the screw and
the clock battery door (S).
b. Install the clock batteries (V) observing the
correct polarity.
c. Replace the battery door, insert the screw, and
tighten it clockwise.
NOTE: When changing the clock batteries, all settings will be erased. To avoid this, attach the
battery pack or plug in the power adaptor before replacing the clock batteries.
WARNING
• When replacing clock batteries, replace them with the same or equivalent type AAA.
Observe correct polarity (+ and –) when replacing batteries. Do not store or carry batteries
in such a way that metal objects can contact exposed battery terminals.
4
P
O
5
Screw
- +
+ -
S
V
- +
+ -

10
OPERATING INSTRUCTIONS
6. To Use the Flexible Antenna
To decrease interference or static noise, rotate the
antenna (B) or move the unit to a higher elevation.
The antenna folds down and out of the way when
not in use.
NOTE: After the antenna is raised from its “pocket”,
the pocket can be used to hold a cell phone.
7. To turn the unit On and Off
To turn the unit ON: press the On/Off button (M)
and hold for 2 seconds.
To turn the unit OFF: press the On/Off button (M)
and hold for 2 seconds.
Standby mode: briey press the On/Off button (M),
the unit switches to standby mode. When the unit is
in standby mode, all audio output will stop. Only the
display (F) will continue showing the time, but the
display brightness will dim. Briey press the On/Off
button (M) again to return to full operating mode or
press On/Off button (M) for about 2 seconds to turn
off the unit.
NOTE: When in standby mode, the unit will turn off
automatically after 10 minutes of inactivity.
87.50
FM
MHz
7a
M F
The unit is ON
6“Pocket”
B
AM
12hr
7b
F
The unit is in standby mode

11
OPERATING INSTRUCTIONS
8. To Set the Volume
Use the Volume + button (G) and Volume – button (H) to increase or decrease the volume of
the unit, respectively.
Briey press the volume to increase/decrease by one level, long press the volume to
continually increase/decrease the volume.
9. To Select the Operating Mode
To select the operating mode, briey press the mode button (I) several times until the desired
mode is displayed.
The following operating modes are available:
– FM Radio reception.
– AM Radio reception.
– BT – Playback of audio connected via Bluetooth.
– AUX – Playback of audio connected via AUX input port (Q).
The modes switch in the following order FM AM BT AUX.
The active operating mode is shown by means of the corresponding symbol on the top of the
display.
10. Bluetooth Operating Mode
Press the mode button (I) several times until the
BT (Bluetooth) mode is active or briey press the
Bluetooth-pairing button (N) to go straight into
Bluetooth mode.
The Bluetooth icon ashes when BT mode is
active but no Bluetooth device is connected. The
Bluetooth icon stays on after a device is connected
successfully.
Single press the ‘<<’ button (L) or ‘>>’ button (J) to
change to previous or next song. Press button
(K) to pause or play.
NOTE:
To disconnect (forget) the Bluetooth device after successful pairing, press the Bluetooth-pairing
button (N) and hold for 3 seconds. The paired device is disconnected.
When in Bluetooth operating mode, the unit will turn off automatically after 10 minutes of
inactivity.
11. To Connect Two KJR 124B-03 Units Using Bluetooth TWS
Two KJR 124B-03 units can be connected using Bluetooth to become a TWS (True Wireless
Stereo) system
a. Turn two units on and set both units to Bluetooth mode.
b. Briey press the Bluetooth button (N) on one of the units. This unit will automatically
connect to the other, ‘host’ unit, as a secondary speaker.
c. The secondary unit will play back whatever audio content is playing on the ‘host’ unit,
when the audio source is connected via Bluetooth.
AM
12hr
8
N L K J I

12
OPERATING INSTRUCTIONS
12. Equalizer (EQ) Adjustment
Your unit’s bass or treble can be adjusted in the
equalizer menu by briey pressing EQ button (D).
The menu order after pressing the EQ button (D) is:
Bass Treble Exit.
a. Press the EQ button (D) to rst adjust the bass.
b. Press the ‘<<’ button (L) or ‘>>’ button (J) to
decrease or increase bass in the range from -5
to +5.
c. Press the EQ button (D) to now adjust the
treble.
d. Press the ‘<<’ button (L) or ‘>>’ button (J) to
decrease or increase treble in the range from
-5 to +5.
e. Press the EQ button (D) to exit the equalizer menu.
13. Setting the Time
In any mode, press the clock button (E) for 2
seconds to enter the time menu. The time menu
order is: 12H/24H HOUR MINUTE EXIT.
a. Switch between the 12H and 24H formats
using the ‘<<’ button (L) or ‘>>’ button (J).
b. Then briey press the clock button (E) again
to adjust the hours. Use the ‘<<’ button (L)
to decrease the value or ‘>>’ button (J) to
increase the value.
c. Briey press the clock button (E) again to
adjust the minutes. Use the ‘<<’ button (L)
to decrease the value or ‘>>’ button (J) to
increase the value.
d. Briey press the clock button (E) again to exit
the time menu or, if there is no activity within
5 seconds, the unit will exit the time menu
automatically.
0
Bass
Treble
9a
D
Adjusting the bass
Adjusting the treble
L J
10a
E12H/24H adjustment
L J
E
L J
12hr
AM
10b
Adjusting time
NOTE:
In FM/AM state, briefly press the clock button (E) to
enter the time menu, and briefly press the clock
button (E) again to return to radio screen.

13
OPERATING INSTRUCTIONS
14. Tuning AM and FM
a. Press the mode button (M) several times until the AM or FM is shown on the display (F). A
radio station can be tuned to manually or automatically (scan-tuning).
b. Manual tuning: Briey press the ‘<<’ button (L) or ‘>>’ button (J) to reach the desired
frequency. Each press will increase or decrease the frequency by 0.1MHz for FM and
10kHz for AM range. The frequency is shown on the display.
c. Automatic/Scan Tuning: Press the ‘<<’ button (L) or ‘>>’ button (J) and hold for 2 seconds,
the tuner will automatically seek the rst radio station with strong signal and stop at that
station’s frequency. The frequency is shown on the display. The ‘>>’ button (J) may be
pressed for 2 seconds again to continue seeking more radio stations at higher frequencies.
The ‘<<’ button (L) may be pressed to seek radio stations at lower frequencies.
15. Storing Stations in Preset Memories
(AM and FM)
There are 5 memory presets for each waveband.
a. To store the current radio station, press and
hold the preset button (K) until the preset
number is shown on the display, then press the
‘<<’ button (L) or ‘>>’ button (J) to select the
preset number, from ‘Preset 1’ to ‘Preset 5’,
you wish to save the station under.
b. Briey press the preset button (K), the preset
number will ash on the display once and then
stay on, and the station is stored successfully.
Stations stored in the preset memory can be
overwritten by following the same steps.
c. To recall stations from the preset memories,
briey press the preset button (K) while the unit is in AM/FM mode. The preset number and
station frequency will appear on the display. Press the preset button (K) repeatedly until
the desired preset station is on the display.
87.50
FM
MHz
1
11
KL J

14
CARE AND MAINTENANCE
All maintenance should only be carried out by a qualied service technician.
WARNING
• To reduce the risk of personal injury and damage, never immerse your machine, battery
pack or charger in liquid or allow a liquid to ow inside them.
Cleaning
Before cleaning or performing any maintenance, remove the battery. For safe and proper
operation, always keep the unit clean.
Always use only a soft, dry cloth to clean the unit. Never use detergent or alcohol. Clean dust
and debris from vents. Keep the unit handle clean, dry and free of oil or grease.
Never use ammable or combustible solvents around tools.
TROUBLESHOOTING
WARNING
• Remove battery or AC power adaptor from the machine before performing troubleshooting
procedures.
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
The unit does not work. Low battery capacity. Charge the battery.
Unit is not charging
USB device.
The device draws more than
the rated output of the ports.
Remove the device and turn the
unit on again.
The unit cannot
properly pair with a
Bluetooth device.
1. Out of Bluetooth pairing
range.
1. Move your device closer to the
unit.
2. Wrong steps performed
during pairing process.
2. Refer to “Bluetooth Operating
Mode” chapter and correctly
pair the audio device to the
unit.

15
Printed in China
WARRANTY
For 5 years from the date of purchase, the product is warranted for the original purchaser to
be free from defects in material and workmanship. This guarantee does not cover damage
due to abuse, normal wear, improper maintenance, neglect, unauthorized repair/alteration, or
expendable parts and accessories expected to become unusable after a reasonable period of
use.
If you think your product meets the above guarantee criteria, please return it to the place of
purchase with valid proof of purchase and the defective product will be repaired or replaced at
no charge. This guarantee gives you specic legal rights, and you may also have other rights
that vary from state to state.

16

17
ARTÍCULO #3764095
RADIO PARA EL LUGAR
DE TRABAJO DE 24V
MODELO #KJR 124B-03
KOBALT y el diseño del logotipo
son marcas comerciales o marcas
registradas de LF, LLC. Todos los
derechos reservados.
¿Preguntas, problemas, piezas faltantes? Antes de volver a la tienda, llame a nuestro
Departamento de Servicio al Cliente al 1888-3KOBALT (1-888-356-2258), de lunes a
domingo de 8 a.m. a 8 p.m., hora estándar del Este. También puede ponerse en contacto
con nosotros en [email protected] o visitar www.lowespartsplus.com.
ADJUNTE SU RECIBO AQUÍ
Número de serie Fecha de compra

18
ÍNDICE
Especicaciones del producto........................................................................ 18
Contenido del paquete................................................................................... 19
Información de seguridad............................................................................... 21
Preparación....................................................................................................23
Instrucciones de funcionamiento.................................................................... 24
Cuidado y mantenimiento ..............................................................................31
Solución de problemas................................................................................... 31
Garantía .........................................................................................................32
ESPECIFICACIONES DEL PRODUCTO
COMPONENTE ESPECIFICACIONES
Adaptador de alimentación de CA 120 V~ 60 Hz
Voltaje para la operación de CC 24 V
Alimentación del altavoz (2) Woofer: 30 W; (2) Tweeter: 20 W
Grado de IP (protección de ingreso) IP64*
Conector AUX 3,5 mm (0,01 pies)
Versión de Bluetooth V5.0
Alcance de Bluetooth Hasta 7,62 m (25 pies)
Salida en USB 5 V , 2,1 A
Temperatura de operación y carga
recomendada
De 5° C (41 °F) a 40 °C (104 °F)
* NOTA: IP64 es cierto cuando los puertos USB/AUX y la toma de CC están cubiertos.

19
CONTENIDO DEL PAQUETE
B
A
C
H
S
G
F
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N M L K J I
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20
CONTENIDO DEL PAQUETE
PIEZA DESCRIPCIÓN PIEZA DESCRIPCIÓN
A Manija L Sintonizar/buscar hacia abajo
B Antena M Botón de encendido/apagado
C Toma de CC N Botón para vincular dispositivos
con Bluetooth
D Botón EQ O Puerto de alimentación USB
(tipo C)
E Botón de reloj P Puerto de alimentación USB
(tipo A)
F Exhibición Q Puerto de entrada AUX (auxiliar)
G Botón de Volumen + R Puerto del paquete de baterías
H Botón de Volumen – S Cubierta de la batería del reloj
I Botón de modo T Adaptador de alimentación de CA
J Sintonizar/buscar U Cable AUX
KBotón de reproducir/pausar/
precongurar V Baterías del reloj
ADVERTENCIA
• Retire la herramienta del paquete y examínela cuidadosamente. No deseche la caja ni
ningún material de embalaje hasta después de examinar todas las piezas.
• Si falta alguna pieza o si está dañada, no coloque la batería para usar la herramienta hasta
reparar o reemplazar dicha pieza. El incumplimiento de esta advertencia podría provocar
lesiones graves.