Computers, Monitors & Technology Solutions | Dell USATerms of Sale | Dell USA
Support Home | Dell US
User Guide for DELL models including: Dell Pro, Wireless, Keyboard, Mouse, KM5221W, KB3121W, MS3121W
2021–01 Rev. A00 Notes, Cautions, and Warnings 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.
2021 Dell Inc. or its subsidiaries. All rights ... Other trademarks may be trademarks of their respective owners. 2021–01. Rev. A00 ... instructions are not followed.
Dell Pro Wireless Keyboard and Mouse KM5221W User's Guide Keyboard model: KB3121W Mouse model: MS3121W Regulatory model: KB3121Wt/MS3121Wt/SD-8160 Regulatory model: KB3121Wp/MS3121Wp/DGRFEO Notes, Cautions, and Warnings 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. © 2021 Dell Inc. or its subsidiaries. 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. 202101 Rev. A00 Contents What's in the box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Dell Peripheral Manager . . . . . . . . . . . . . . . . . . . . . . . . . .8 Setting up your wireless keyboard . . . . . . . . . . . . . . . . . .9 Setting up your wireless mouse . . . . . . . . . . . . . . . . . . . 11 Pairing your wireless keyboard and mouse . . . . . . . . . . 14 Pairing with a USB receiver . . . . . . . . . . . . . . . . . . 14 Keyboard Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 16 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Physical characteristics . . . . . . . . . . . . . . . . . . . . 16 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . 17 Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Mouse Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Physical characteristics . . . . . . . . . . . . . . . . . . . . 18 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . 19 Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Statutory Information . . . . . . . . . . . . . . . . . . . . . . . . . .23 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Limited warranty and return policies . . . . . . . . . . . . . . . . . . 23 For U .S . customers: . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 For European, Middle Eastern and African customers: . . . . . . . . 23 For non-U .S . customers: . . . . . . . . . . . . . . . . . . . . . . . . 23 4 What's in the box 1 2 3 5 4 1. Keyboard 3. AAA-type Batteries (for keyboard) 5. Documents 2. Mouse with USB receiver 4. AA-type Battery (for mouse) What's in the box 5 Features Keyboard Top view 1 2 Bottom view 3 4 3 1. Power switch 3. Keyboard feet 2. Battery-status light 4. Battery cover NOTE: Open the battery cover to access the PPID/Regulatory label location. Label location 6 Features Mouse Top view 1 2 Bottom view 3 4 5 6 1. Left button 3. Right button 5. Optical sensor 2. Scroll wheel 4. Battery-status light 6. Power switch NOTE: Open the mouse cover to access the PPID/Regulatory label location. Label location Features 7 Dell Peripheral Manager Dell Peripheral Manager software enables you to perform the following: · View device information such as firmware version and battery status through the Info tab . · Upgrade the latest firmware updates on your devices . For more information, see Dell Peripheral Manager User's Guide on the product page at www.dell.com/support . 8 Dell Peripheral Manager Setting up your wireless keyboard 1. Using your fingertip, pry open the battery cover . 2. Install the AAA batteries into the battery compartment . Then replace the battery cover . Setting up your wireless keyboard 9 3. Slide the power switch to the right to turn on the keyboard . 10 Setting up your wireless keyboard Setting up your wireless mouse 1. Locate the slot on the side of the mouse cover . Using your fingertip, pry open the cover . 2. Remove the USB receiver from its compartment . Setting up your wireless mouse 11 3. Install the AA battery into the battery compartment . 4. Replace the mouse cover . 12 Setting up your wireless mouse 5. Slide the power switch down to turn on the mouse . Setting up your wireless mouse 13 Pairing your wireless keyboard and mouse Your Dell wireless keyboard and mouse can be paired with devices using USB receiver . You can pair and switch between a laptop, desktop, and a compatible mobile device . Pairing with a USB receiver NOTE: You can connect a device to your wireless keyboard and mouse using the Dell Universal pairing. 1. Detach the receiver tag from the USB receiver . 2. Install the Dell Universal USB receiver to the USB port on your computer . Laptop Desktop 14 Pairing your wireless keyboard and mouse 3. Slide the power switch to the right to turn on the keyboard . Then slide the power switch down to turn on the mouse . The keyboard and mouse are paired with your USB device . Pairing your wireless keyboard and mouse 15 Keyboard Specifications General Model number Connection type System requirement Electrical Operating voltage Battery type KB3121W Wireless (2 .4 GHz with nano receiver) · Windows Server 2012; 2012 R2, 2016 (RF receiver only) · Windows 8, 32/64-bit · Windows 10, 32/64-bit · Android · Chrome · MAC OS · Linux 6 .x, Ubuntu 18 and Redhat 8 Enterprise · Free-DOS (RF receiver only) 2 V - 3 .2 V Two AAA batteries Physical characteristics Weight (with batteries) Dimensions: Length Width Height 440 g (0 .97 lb) 432 .71 mm (17 .04 in .) 122 .11 mm (4 .81 in .) 26 .11 mm (1 .03 in .) 16 Keyboard Specifications Environmental Temperature: Operating Storage Storage humidity -10°C to 50°C (14°F to 122°F) -40°C to 65°C (-40°F to 149°F) 95% maximum relative humidity; non-condensing Wireless RF resolution Operating channel Operation distance 2 .4 GHz RF 5 channels for GFSK modulation with 1 Mbps > 10 m (outdoor without any interference) Keyboard Specifications 17 Mouse Specifications General Model number Connection type System requirement Electrical MS3121W Wireless (2 .4 GHz with nano receiver) · Windows Server 2012; 2012 R2, 2016 (RF receiver only) · Windows 8, 32/64-bit · Windows 10, 32/64-bit · Android · Chrome · Linux 6 .x, Ubuntu · Free-DOS (RF receiver only) Operating voltage Battery type 1 V - 1 .5 V One AA battery Physical characteristics Weight (without battery) Dimensions: Length Width Height 68 .51 g (0 .15 lb) 115 .51 mm (4 .55 in .) 61 .96 mm (2 .44 in .) 38 .14 mm (1 .50 in .) 18 Mouse Specifications Environmental Temperature: Operating Storage Storage humidity -10°C to 50°C (14°F to 122°F) -40°C to 65°C (-40°F to 149°F) 95% maximum relative humidity; non-condensing Wireless RF resolution Operating channel Operation distance 2 .4 GHz RF 5 channels for GFSK modulation with 1 Mbps > 10 m (outdoor without any interference) Mouse Specifications 19 Troubleshooting Problems Keyboard/mouse is not functioning Possible solutions 1. Check if the batteries are inserted in the correct orientation . The batteries "+" and "-" ends should be placed as indicated on the battery compartment . 2. Check the battery level . · If the device uses the rechargeable batteries, ensure that the batteries are fully charged . · If the batteries are exhausted, replace them with a new ones . 3. Turn off the device, and then turn it on . Check if the battery-status light is flashing amber 10 times, indicating that the battery power is low . If the batteries are fully depleted, the battery-status light will not turn on . 4. Restart your computer . 5. Ensure that the USB receiver is directly connected to your computer . · Avoid using the port replicators, USB hubs, and so on . · Change the USB port . 20 Troubleshooting Problems Possible solutions Unable to pair the keyboard/ mouse with your computer 1. Check the battery level . · If the device uses the rechargeable batteries, ensure that the batteries are fully charged . · If the batteries are exhausted, replace them with a new ones . 2. Turn off the device, and then turn it on . Check if the battery-status light is flashing amber 10 times, indicating that the battery power is low . If the batteries are fully depleted, the battery-status light will not turn on . 3. Restart your computer . 4. Ensure that the USB receiver is directly connected to your computer . Avoid using the port replicators, USB hubs, and so on . 5. Change the USB port or insert the USB receiver into another USB port on your computer . 6. Ensure that the distance between your computer and keyboard/mouse is within 10 meters . Mouse pointer does not move Mouse left/right button does not work Keyboard buttons do not work Wireless connection is lost 1. Check the battery level . · If the device uses the rechargeable batteries, ensure that the batteries are fully charged . · If the batteries are exhausted, replace them with a new ones . 2. Turn off the device, and then turn it on . Check if the battery-status light is flashing amber 10 times, indicating that the battery power is low . If the batteries are fully depleted, the battery-status light will not turn on . 3. Restart your computer . 4. Ensure that the distance between your computer and keyboard/mouse is within 10 meters . Troubleshooting 21 Problems Troubleshooting a slow moving cursor Possible solutions 1. Ensure that the sensor is not obstructed or dirty . 2. Glass or very smooth glossy surfaces are not suitable for the mouse sensor to capture the mouse movement . Using a dark colored fabric mouse pad can improve the tracking . 3. Change the mouse settings to adjust the pointer speed . Click or tap the tab that matches the Operating System (OS) installed on your laptop/desktop and perform the steps within that section to change the settings . · In the Search box, type main.cpl . The Mouse Properties dialog box appears . · Click or tap main.cpl in the list of programs . · Click or tap the Pointer Options tab . In the Motion section, move the slider to adjust the pointer speed to the desired level . · Click or tap OK . 22 Troubleshooting Statutory Information Warranty Limited warranty and return policies Dell-branded products carry a three-year limited hardware warranty . If purchased together with 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/terms, 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 . Statutory Information 23