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Model No. NTL23920 Serial No. Find the serial number in the location shown below. Write the serial number in the space above for reference. Serial Number Decal QUESTIONS? If you have questions, or if there are missing parts, we will guar-...
LIMITED WARRANTY ............. . .Back Cover Note: An EXPLODED DRAWING is attached in the center of this manual. NordicTrack is a registered trademark of ICON Health & Fitness, Inc.
11. Use only a single-outlet surge suppressor that meets all of the specifications described on page 9. To purchase a surge suppressor, see your local NordicTrack dealer or call 1-800- 806-3651 and order part number 146148. 12. Failure to use a properly functioning surge suppressor could result in damage to the con- trol system of the treadmill.
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21. Do not change the incline of the treadmill by placing objects under the treadmill. 22. When folding or moving the treadmill, make sure that the storage latch is fully closed. 23. When using iFIT.com CD’s and videos, an electronic “chirping” sound will alert you when the speed and/or incline of the treadmill is about to change.
The model number of the treadmill is NTL23920. The serial number can be found on a decal attached to the treadmill (see the front cover of this manual for the location).
ASSEMBLY Assembly requires two people. Set the treadmill in a cleared area and remove all packing materials. Do not dispose of the packing materials until assembly is completed. Assembly requires the included allen wrench and your own flat-bladed screwdriver wrench Note: The underside of the treadmill walking belt is coated with high-performance lubricant.
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4. See drawing 4a. While another person holds the Handrails (83), thread Handrail Bolts (104) two to three turns into the indicated holes in each Handrail. Then, re- move the Handrail Bolts. See drawing 4b. Pinch the tabs on the Grounding Bracket (115) so that the tabs will fit into the indicated hole in the left Upright (99).
HOW TO USE THE CHEST PULSE SENSOR HOW TO PUT ON THE CHEST PULSE SENSOR The chest pulse sensor consists of two components: the chest strap and the sensor unit (see the drawing below). Insert the tab on one end of the chest strap into one end of the sensor unit, as shown in the inset draw- ing.
(see drawing 1 at the right). To purchase a surge sup- pressor, see your local NordicTrack dealer or call 1-800-806-3651 and order part number 146148. Use only a single-outlet surge suppressor that is UL 1449 listed as a transient voltage surge sup- pressor (TVSS).
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Program Display Main Display Pulse Sensor Note: If there is a thin sheet of clear plastic on the face of the console, remove it. FEATURES OF THE CONSOLE The advanced console offers a selection of features designed to help you get the most from your exercise. When the manual mode of the console is selected, the speed and incline of the treadmill can be changed with a touch of a button.
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CAUTION: Before operating the console, read the following precautions. • Do not stand on the walking belt when turn- ing on the power. • Always wear the clip (see the drawing below) while operating the treadmill. • Adjust the speed in small increments in order to avoid sudden jumps in speed.
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HOW TO USE THE MANUAL MODE Insert the key fully into the console. See GETTING STARTED on page 11. Select the manual mode. When the key is inserted, the manual mode will automatically be selected. If a program has been selected, press the Select Workout Goal button repeatedly until the words “MANUAL MODE”...
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as shown by the indicators. When a program is se- lected, the display will show the time remaining in the program, your current pace, and the time re- maining in the current segment of the program. Note: During the fitness test program, the display will show the elapsed time, your current pace, and the time remaining in the current segment of the program.
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Three seconds after a preset program is selected, the name of the selected program, the maximum speed setting for the program, the maximum in- cline setting for the program, and the total program time will begin to scroll across the main display. The program dis- play will show the speed settings for...
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HOW TO CREATE CUSTOM PROGRAMS Insert the key fully into the console. See GETTING STARTED on page 11. Select one of the custom programs. When the key is inserted, the manual mode will automatically be selected. To select one of the custom programs, first press the Select Workout Goal button repeatedly until the letters “CUSTOM PROG”...
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HOW TO USE CUSTOM PROGRAMS Insert the key fully into the console. See GETTING STARTED on page 11. Select one of the custom programs. When the key is inserted, the manual mode will automatically be selected. To select one of the custom programs, first press the Select Workout Goal button repeatedly until the letters “CUSTOM PROG”...
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HOW TO USE THE FITNESS TEST PROGRAM The fitness test program is designed to measure your relative fitness level. For the best results, the fitness test program should be used at a time when your en- ergy level is high; the fitness test program should not be used if you have already exercised during the day.
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At the beginning of each four-minute level, the speed and/or the incline of the treadmill will auto- matically increase. The fitness test program will continue in this way until your heart rate reaches 70% of your estimated maximum heart rate, and the current four-minute level is completed.
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Enter your age. Three seconds after the pulse-driven program is selected, the words “ENTER AGE” and the current age setting will appear in the main display. You must enter your age to use the pulse-driven program. If you have already entered your age, go to step 5. If you have not entered your age, press the Enter Age buttons to enter your age.
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HOW TO CONNECT THE TREADMILL TO YOUR CD PLAYER, VCR, OR COMPUTER To use iFIT.com CD’s, the treadmill must be connected to your portable CD player, portable stereo, home stereo, or computer with CD player. See this page and page 21 for connecting instructions. To use iFIT.com videocassettes, the treadmill must be connected to your VCR.
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HOW TO CONNECT YOUR HOME STEREO Note: If your stereo has an unused LINE OUT jack, see instruction A below. If the LINE OUT jack is being used, see instruction B. A. Plug one end of the audio cable into the jack on the front of the treadmill near the power cord.
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HOW TO CONNECT YOUR VCR Note: If your VCR has an unused AUDIO OUT jack, see instruction A below. If the AUDIO OUT jack is being used, see instruction B. If you have a TV with a built-in VCR, see instruction B. If your VCR is connected to your home stereo, see HOW TO CONNECT YOUR HOME STEREO on page 21.
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If the speed or incline settings are too high or too low, you can manually override the settings at any time by pressing the Speed or Incline buttons on the console. However, when the next “chirp” is heard, the speed and/or incline will change to the next settings of the CD or video program.
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HOW TO USE PROGRAMS DIRECTLY FROM OUR WEB SITE Our Web site at www.iFIT.com allows you to access basic programs, audio programs, and video programs directly from the internet. Additional options are soon to be available. See www.iFIT.com for details. To use programs from our Web site, the treadmill must be connected to your home computer.
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THE INFORMATION MODE/DEMO MODE The console features an information mode that keeps track of the total number of hours that the treadmill has been operated and the total number of miles that the walking belt has moved. The information mode also allows you to switch the console from miles per hour to kilometers per hour.
HOW TO FOLD AND MOVE THE TREADMILL HOW TO FOLD THE TREADMILL FOR STORAGE Before folding the treadmill, adjust the incline to the lowest position. If this is not done, the treadmill may be per- manently damaged. Remove the key and unplug the power cord.
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HOW TO LOWER THE TREADMILL FOR USE 1. Hold the upper end of the treadmill with your right hand as shown. Pull the lock knob to the left and hold it. Pivot the treadmill down until the frame is past the pin on the lock knob.
TROUBLESHOOTING Most treadmill problems can be solved by following the steps below. Find the symptom that applies, and follow the steps listed. If further assistance is needed, please call our Customer Service Department toll- free at 1-888-825-2588, Monday through Friday, 6 a.m. until 6 p.m. Mountain Time (excluding holidays). PROBLEM: The power does not turn on SOLUTION: a.
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PROBLEM: The walking belt slows when walked on SOLUTION: a. Use only a single-outlet surge suppressor that meets all of the specifications described on page 9. b. If the walking belt is overtightened, treadmill perfor- mance may decrease and the walking belt may be- come damaged.
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PROBLEM: The incline of the treadmill does not change correctly or does not change when iFIT.com CD’s and videos are played SOLUTION: a. With the key in the console, press one of the incline buttons. While the incline is changing, re- move the key.
CONDITIONING GUIDELINES WARNING: Before beginning this or any exercise program, consult your physi- cian. This is especially important for individu- als over the age of 35 or individuals with pre- existing health problems. The pulse sensors are not medical devices. Various factors, including the user's move- ment, may affect the accuracy of heart rate readings.
SUGGESTED STRETCHES The correct form for several basic stretches is shown at the right. Move slowly as you stretch—never bounce. 1. Toe Touch Stretch Stand with your knees bent slightly and slowly bend forward from your hips. Allow your back and shoulders to relax as you reach down toward your toes as far as possible.
PART LIST—Model No. NTL23920 To locate the parts listed below, see the EXPLODED DRAWING attached in the center of this manual. Key No. Qty. Description Allen Wrench Rear Wheel Bolt Rear Endcap (Left) Roller Star Washer Rear Roller Adj. Bolt...
Friday, 6 a.m. until 6 p.m. Mountain Time (excluding holidays). When ordering parts, please be prepared to give the following information: • The MODEL NUMBER OF THE PRODUCT (NTL23920) • The NAME OF THE PRODUCT (NordicTrack • The SERIAL NUMBER OF THE PRODUCT (see the front cover of this manual) •...
LIMITED WARRANTY WHAT IS COVERED—The entire NordicTrack ® 4800 R treadmill (“Product”) is warranted to be free of all defects in ma- terial and workmanship. WHO IS COVERED—The original purchaser or any person receiving the Product as a gift from the original purchaser.