Dell KB740 User manual

Keyboard Model: KB740
Regulatory Model: KB7120Wc/RG-1216
Dell Compact Multi-Device
Wireless Keyboard
KB740
User’s Guide

NOTE: A NOTE indicates important information that helps you make
better use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss
of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage,
personal injury, or death.
Copyright © 2022 Dell Inc. All rights reserved. Dell, EMC, and other trademarks are trademarks of
Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
2022 –03
Rev. A00
Notes, Caution, and Warnings

What’s in the box ........................... 4
Features .................................. 5
Top view/Bottom view . . . . . . . . . . . . . . . . . . . . 5
Dell Peripheral Manager ...................... 6
Setting up your wireless keyboard ...............7
Pairing your wireless keyboard................. 9
Pairing with a Dell Universal USB receiver . . . . . . . . . 9
Pairing your wireless keyboard using Bluetooth . . . . . 10
Pairing device three using Bluetooth . . . . . . . . . . . 12
Specifications..............................14
Troubleshooting ............................15
Statutory information........................18
Contents

4 │What’s in the box
What’s in the box
1 Wireless keyboard
2 Documents
3 Dell Universal USB receiver
4 AA-type batteries (2)
1
2
34

Features │5
1 Power switch
2 Connection-mode lights
3 Connection-mode switch button
4 Battery cover
5 PPID label
Keyboard
Top view
5
4
2
1
3
Bottom view
Features
• White LED Blinking: Device is not connected to computer
• LED Lighting Solid White: Device is connected to computer
• Amber LED Blinking: Device battery is low
Features

6 │Dell Peripheral Manager
• Assign program shortcuts to device programmable buttons or keys through
the Action tab.
• View device information such as firmware version and battery status through
the Info tab.
• Upgrade the latest firmware updates on your devices.
• Pair additional devices through the Dell Universal USB receiver or directly to
your computer through Bluetooth.
Dell Peripheral Manager
Dell Peripheral Manager software enables you to perform the following:
For more information, see Dell Peripheral Manager User’s Guide on the product page
at www.dell.com/support

Setting up your wireless keyboard │7
Setting up your wireless keyboard
1. Remove the battery cover.
2. Install the AA batteries into the battery compartment.
3. Replace the battery cover.

8 │Setting up your wireless keyboard
4. Slide the power switch to the right to turn on the keyboard.
NOTE: Ensure that the distance between your computer and keyboard is within ten
meters.

Pairing your wireless keyboard │9
Your Dell wireless keyboard can be paired with devices using USB and Bluetooth.
You can pair and switch between a laptop, desktop, and a compatible mobile device.
Pairing with a Dell Universal USB receiver
NOTE: You can connect a device to your wireless keyboard using the Dell Universal
pairing.
1. Install the Dell Universal USB receiver to the USB port on your computer.
Pairing your wireless keyboard
Laptop Desktop
2. The connection-mode light on the keyboard is set to Dell Universal Pairing by default.
NOTE: The RF device is already paired at the factory.

10 │Pairing your wireless keyboard
Pairing your wireless keyboard using Bluetooth
You can connect up to two devices to your wireless keyboard using Bluetooth.
1. Press the connection-mode button twice on your keyboard (within 3 seconds)
until the connection-mode light ( ) turns on indicating that the second-bluetooth
connection is selected.
2. Pair your keyboard with your Bluetooth-enabled computer.
a. In Windows Search, type Bluetooth.
b. Click Bluetooth and other devices settings. The Settings window appears.
c. Click Bluetooth & other devices. Ensure that the Bluetooth is turned on.
d. From the list of devices, click Dell Keybd.
3. The keyboard is paired with your USB device.

Pairing your wireless keyboard │11
3. Conrm the pairing process on both keyboard and device.
The second-bluetooth connection light turns solid white for 3 seconds to confirm
the connection is established, and then turns off. After the keyboard and a device
are paired, they connect automatically when Bluetooth is enabled and they are within
the Bluetooth range.

12 │Pairing your wireless keyboard
2. Pair your keyboard with your Bluetooth enabled computer.
a. In Windows Search, type Bluetooth.
b. Click Bluetooth and other devices settings. The Settings window appears.
c. Click Bluetooth & other devices. Ensure that the Bluetooth is turned on.
d. From the list of devices, click Dell Keybd.
NOTE: If Keyboard KB740 is not listed, press the Bluetooth-pairing
button on the keyboard to ensure pairing mode is enabled.
Pairing device three using Bluetooth
NOTE: You can connect a third device to your wireless keyboard using Bluetooth.
1. Press the connection-mode button twice on your keyboard (within 3 seconds) until
the connection-mode light ( ) turns on indicating that the third-bluetooth connection
is selected.

Pairing your wireless keyboard │13
3. Conrm the pairing process on both keyboard and device.
The third-bluetooth connection light turns solid white for 3 seconds to confirm the
connection is established then turns off. After the keyboard and a device are paired,
they connect automatically when Bluetooth is enabled and they are within the
Bluetooth range.

14 │Specifications
Environmental
Temperature:
0°C to 40°C (32°F to 104°F)
-40°C to 65°C (-40°F to 149°F)
Storage humidity 95% maximum relative humidity;non-
condensing
General
Keyboard model number KB740
Connection type 2.4 GHz Wireless and Bluetooth dual
mode technology
Supported operating systems
(2.4 GHz)
• Windows 11/10/8/7/XP/Vista Server
2003/Server 2008/Server 2012
• Linux 6.x, Ubuntu, Free DOS
• Chrome and Android
• MAC OS
Supported operating systems
(Bluetooth)
• Windows 11/10/8
• Chrome and Android
• MAC OS
Electrical
Operating voltage 2.2 V – 3.0 V
Battery required Two AA alkaline
Radio transmission Bi-directional communication
Battery required Range Up to 10 m
Physical characteristics
Weight (without battery) 500.90 g
Dimensions:
Specifications
122 mm (4.80 in.)
363.40 mm (14.31 in.)
35.52 mm (1.40 in.)
• Length
• Width
• Height
• Operating
• Storage

Troubleshooting │15
Troubleshooting
Problems Possible causes Possible solutions
Unable to use the
keyboard
The white LED indicator
at top of the keyboard
does not light up when
the keyboard is turned
on
1. Check if the battery is inserted
correctly.
Battery “+” and “-“ ends must
follow those indicated on the
battery compartment label.
2. Check the battery level.
• If the keyboard uses a
rechargeable battery,
ensure that the battery
is fully charged.
• If the battery is exhausted,
replace it with a new one.
3. Turn the keyboard off,
and then turn on again.
Check if the battery-status
light is flashing amber,
indicating that the battery
power is low. If the battery
is fully depleted, the battery-
status light will not turn on.
4. Ensure that the Dell Univeral
USB receiver is directly
connected to your computer.
Avoid using the port replicators,
USB hubs, and so on.
5. Change the USB port.
Insert the Dell Univeral USB
receiver into another USB
port on your computer.

16 │Troubleshooting
Problems Possible causes Possible solutions
Unable to pair the
keyboard with the
computer using
Bluetooth
The Bluetooth icon on
the computer does not
light up when connecting
the keyboard to the
computer.
1. Check the battery level.
• If the keyboard uses a
rechargeable battery,
ensure that the battery
is fully charged.
• If the battery is exhausted,
replace it with a new one.
2. Turn the keyboard off, and
then turn it on again.
Check if the battery-status
light is flashing amber,
indicating that the battery
power is low. If the battery
is fully depleted, the battery-
status light will not turn on.
3. Restart your computer.
4. Check the operating system
is Windows 11/10/8 and
Chrome/Android.
5. Ensure that the keyboard is
set to Bluetooth Low Energy
(BLE) mode in your computer.
For more information, see the
documentation that came
with your computer.
6. Turn off then on, and then
turn on the Bluetooth.
Low Energy (BLE) mode in
your computer. For more
information, see the
documentation that came
with your computer.

Troubleshooting │17
Problems Possible causes Possible solutions
Unable to pair the
keyboard with the
computer
Wireless pairing error
message is received while
pairing the keyboard with
the computer
1.Turn the keyboard off,
and then turn it on again.
Check if the battery-status
light is flashing amber ten
times, indicating that the
battery power is low. If the
battery is fully depleted, the
battery-status light will not
turn on.
2. Restart your computer.
Wireless
connection is lost
Previously paired
keyboard no longer works
on the computer
1. Ensure that the Dell Univeral
USB receiver is connected
directly to your computer.
Avoid using the port
replicators, USB hubs,
and so on.
2. Change the USB port.
Insert the USB receiver into
another USB port on your
computer.

18 │Statutory information
Statutory information
Warranty
Limited warranty and return policies
Dell-branded products carry three-year limited hardware warranty. If purchased
together with a Dell system, it will follow the system warranty.
For U.S. customers:
This purchase and your use of this product are subject to Dell’s end user
agreement, which you can find at Dell.com/terms. This document contains a
binding arbitration clause.
For European, Middle Eastern and African customers:
Dell-branded products that are sold and used are subject to applicable national
consumer legal rights, the terms of any retailer sale agreement that you have
entered into (which will apply between you and the retailer) and Dell’s end user
contract terms.
Dell may also provide an additional hardware warranty—full details of the Dell end
user contract and warranty terms can be found by going to Dell.com, selecting
your country from the list at the bottom of the “home” page and then clicking the
“terms and conditions” link for the end user terms or the “support” link for the
warranty terms.
For non-U.S. customers:
Dell-branded products that are sold and used are subject to applicable national
consumer legal rights, the terms of any retailer sale agreement that you have
entered into (which will apply between you and the retailer) and Dell’s warranty
terms. Dell may also provide an additional hardware warranty—full details of
Dell’s warranty terms can be found by going to Dell.com, selecting your country
from the list at the bottom of the “home” page and then clicking the “terms and
conditions” link or the “support” link for the warranty terms.