CYBEX 750C Owner's Manual
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Cybex 750C/750R Cycle
Owner's Manual
Cardiovascular Systems
Part Number LT-21613-4 H
www.cybexintl.com

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BERLIN ROPER
May 13, 2025

Good afternoon, I am not able to get my bike started. The screen is not lighting up

Summary of Contents for CYBEX 750C

  • Page 1 Cybex 750C/750R Cycle Owner’s Manual Cardiovascular Systems Part Number LT-21613-4 H www.cybexintl.com...
  • Page 3 Part Number LT-21613-4 H Cybex ® and the Cybex logo are registered trademarks of Cybex International, Inc. Safety Sentry™ is a registered trademark of Cybex International, Inc. Polar ® is a registered trademark of Polar Electro Inc. iPOD ® is a registered trademark of Apple Inc.
  • Page 5: Table Of Contents

    Environment ..... . 51 Warning and Caution Decals - 750C . . . 12 Warning and Caution Decals - 750R .
  • Page 6 Cybex 750C/750R Cycle Owner’s Manual...
  • Page 7: Fcc Compliance Information

    Cybex 750C/750R Cycle Owner’s Manual FCC Compliance Information WARNING: Serious injury or death can occur. To avoid injury or death the following procedure must be followed. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
  • Page 8 Cybex 750C/750R Cycle Owner’s Manual...
  • Page 9: Safety

    If unit malfunctions, grounding provides path of least resistance for electric current to reduce risk of electric shock. Cybex is not responsible for injuries or damages as a result of cord or plug modification. • Verify voltage requirements of unit match local voltage requirements.
  • Page 10: Important Safety Instructions

    Cybex 750C/750R Cycle Owner’s Manual Important Safety Instructions (Save These Instructions) DANGER: Death or serious injury can occur. To avoid death or injury the following procedure must be followed. To reduce the risk of electrical shock, always unplug unit from electrical outlet immediately after use and before cleaning.
  • Page 11 • Disconnect the optional power adapter before servicing unit. • Do not use attachments unless recommended for the unit by Cybex. • The unit may generate electromagnetic or other forms of interference, or it may be affected by interference from other equipment nearby. If this is suspected, take precautions by separating the equipment or otherwise shielding it to avoid such interference.
  • Page 12: Warning And Caution Decals

    Warning decals indicate a potentially hazardous situation which, if not avoided, could result in death or serious injury. Carefully read and understand the following caution and warning labels before using the unit. Warning and Caution Decals - 750C Warning Decal Part Number...
  • Page 13 Cybex 750C/750R Cycle Owner’s Manual WARNUNG DE-18363-1 AVERTISSEMENT DE-18363-2 ADVERTENCIA DE-18363-3 Internal View CAUTION WARNING Moving parts. ACK FONT Keep hands away Hot Flywheel! Wait until it when in use. cools before servicing DE-18363-4 DE-17219-4 B Warning Decal Part Number...
  • Page 14 CHARGE CHARGE CHARGE Diagnostic LED Designation CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CYBEX. LED 1 - Console Transmit LED 2 - Console Receive ON IN PART OR WHOLE WITHOUT LED 3 - Battery Charge Status LED 4 - Battery Charge Status MISSION OF CYBEX IS PROHIBITED.
  • Page 15: Warning And Caution Decals - 750R

    Cybex 750C/750R Cycle Owner’s Manual Warning and Caution Decals - 750R Warning Decal Part Number DE-21590-4 UNLESS OTHERWISE SPECIFIED ADOBE GENERATE DIMENSIONS ARE IN INCHES DO NOT MANUALL TOLERANCES ARE: APPROVALS FRACTIONS DECIMALS ANGLES DRAWN BY ± .XX ± .02 ± 1 .XXX ±...
  • Page 16 Cybex 750C/750R Cycle Owner’s Manual WARNUNG DE-18363-1 AVERTISSEMENT DE-18363-2 ADVERTENCIA Internal View DE-18363-3 CAUTION WARNING Moving parts. Keep hands away Hot Flywheel! Wait until it when in use. cools before servicing DE-17219-4 B DE-18363-4 Warning Decal Warning Decal Part Number DE-18363-4...
  • Page 17 LED 1 - Console Transmit LED 2 - Console Receive LED 3 - Battery Charge Status ON CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CYBEX. LED 4 - Battery Charge Status LED 5 - Powered from Generator TION IN PART OR WHOLE WITHOUT...
  • Page 18: Csafe Ports

    Cybex 750C/750R Cycle Owner’s Manual CSAFE Ports The CSAFE standard defines a communication protocol and low-voltage DC power source specific to the Fitness Equipment Industry. These RJ-45 phone jacks are provided for use ONLY within the CSAFE protocol. For more information on CSAFE standard, visit www.fitlinxx.com/csafe.
  • Page 19: Assembly And Setup

    Cybex 750C/750R Cycle Owner’s Manual Assembly and Setup Warnings and Cautions Read and understand all warnings and cautions listed in the Safety chapter before assembling unit. Use extreme caution when assembling the unit. Failure to do so could result in injury or death.
  • Page 20: Electrical Power Requirements

    Verify connection is a grounded circuit. Do not use a ground-plug adapter to adapt the 3-prong power cord to a non-grounded electrical outlet. Use Cybex supplied AC power kit only. Consult an electrician with any questions. Verify power supply is compliant with local building codes.
  • Page 21: Assembly

    Cybex 750C/750R Cycle Owner’s Manual 750C Assembly Unpack and verify contents of boxes. Verify the following items are present. See Figure 1a and 1b. Check off each item as found. See Customer Service chapter for contact information if any parts are missing.
  • Page 22 Cybex 750C/750R Cycle Owner’s Manual Item Qty Part Number Description HS-19108 Screw, 5/16-18 x .75”,HXHD,WHIZ-LOCK,GR5 Screw, 8-16 x .50”, PNHD HS-15706 Hardware Figure 1b CAUTION: Serious injury or damage to machine can occur. To avoid injury or damage the following procedure must be followed. Always use proper lifting methods when moving heavy items.
  • Page 23 Cybex 750C/750R Cycle Owner’s Manual Attach the console assembly to base assembly. If installing the A/V option, refer to the 750C A/V bracket installation instructions (supplied with the A/V bracket). 1. Locate the console assembly (#2) and four mounting screws 5/16-18 x .75” (#11). See Figure 2.
  • Page 24 Cybex 750C/750R Cycle Owner’s Manual 5. Hand thread the other two screws 5/16-18 x .75” (#11). See Figure 2. 6. Securely fasten the four screws 5/16-18 x 75” (#11) with a 1/2” socket wrench. 7. Plug the display cable into the display cable connector on the lower control board. See Figure 4.
  • Page 25 Cybex 750C/750R Cycle Owner’s Manual Install the top cap. 1. Locate and place the top cap (#6) on the top of the unit as shown in Figure 6. Figure 6 2. Using a Phillips screwdriver, secure the front with two screws 8-16 x .50” (#12). See Figure 6.
  • Page 26 Cybex 750C/750R Cycle Owner’s Manual 2. Using a Phillips screwdriver, secure with two screws 8-16 x .50 (#12). See Figure 7. Level the unit. Confirm that the unit is on a level surface. If not, use a 9/16” open-end wrench to adjust the leveling feet up or down.
  • Page 27: Assembly

    Cybex 750C/750R Cycle Owner’s Manual 750R Assembly Unpack and verify contents of the unit. Verify the following items are present. See Figure 1a and 1b. Check off each item as found. See Customer Service chapter for contact information if any parts are missing.
  • Page 28 Cybex 750C/750R Cycle Owner’s Manual Item Qty Part Number Description HS-19108 Screw, 5/16-18 x .75”,HXHD,WHIZ-LOCK,GR5 HW-53018 Washer, 5/16” Split Screw, 8-16 x .50”, PNHD, BLK HS-15706 Screw, 5/16-18 X 1.50” HS-41107 HX-00438 3/16” Allen wrench Figure 1b...
  • Page 29 Cybex 750C/750R Cycle Owner’s Manual CAUTION: Serious injury or damage to machine can occur. To avoid injury or damage the following procedure must be followed. Always use proper lifting methods when moving heavy items. Lift and move the unit 1. Firmly grasp the rear foot.
  • Page 30 Cybex 750C/750R Cycle Owner’s Manual Attach the console assembly to base assembly. If attaching the A/V option, refer to the 750R A/V bracket installation instructions (supplied with the A/V bracket). 1. Locate the console assembly (#2) and four mounting screws 5/16-18 x .75” (#11). See Figure 3.
  • Page 31 Cybex 750C/750R Cycle Owner’s Manual 6. Locate the upper display cable connector and plug it into the lower display cable connector. See Figure 5. Ensure cable connectors click together and are securely fastened. Upper Display Upper Connector Heart Rate Connector...
  • Page 32 Cybex 750C/750R Cycle Owner’s Manual In addition to two mounting screws per front cover, there are five plastic connectors that secure the front covers together. Ensure that all four plastic connectors are inserted properly in each front cover. See Figure 7.
  • Page 33: Testing The Operation

    Electrical Requirements in this chapter. Coil up the remainder of the power cord and place it out of the way. Cybex recommends that the unit be unplugged when not in use. 2. Observe that the control panel will illuminate and be in the Dormant Mode when using the optional power adapter.
  • Page 34: Setup

    Cybex 750C/750R Cycle Owner’s Manual 6. Run the unit through its full resistance range. First press the Level + key until the unit reaches its highest load (the display will show “21”). Then press the Level - key until the unit reaches its lowest load;...
  • Page 35 Cybex 750C/750R Cycle Owner’s Manual DEFLT TIME 10 DEFLT TIME 20 5-Default Time Initial displayed choice DEFLT TIME 30 (factory default) DEFLT TIME 60 for programs requiring DEFLT TIME 90 a time setting. Choices are limited to range of MAX time.
  • Page 36 Cybex 750C/750R Cycle Owner’s Manual *MAX TIME ZONED: If choice is ZONED, choose the actual time for each zone to start and maximum time setting. Current Time must be set for zones to work correctly. HH:MM X is the actual time the zone starts, and YYY is the maximum time allowed during time zone.
  • Page 37: Operation

    Cybex 750C/750R Cycle Owner’s Manual Operation Intended Use The intended use of this exercise equipment is to aid or improve general physical fitness and exercise. Terms Used Active Mode – Any time unit is controlling resistance and accumulating workout data. Active Mode...
  • Page 38: Mount And Dismount

    Cybex 750C/750R Cycle Owner’s Manual Read and understand all warnings and cautions in the Safety chapter and all operation instructions in this chapter before operating unit. Mount and Dismount CAUTION: Serious injury or damage to machine can occur. To avoid injury or damage the following procedure must be followed.
  • Page 39: Console Keys

    Control keys on the display are usable during operation and may be pressed at any time to make adjustments in level, data readouts and fan speed. See Figure 1. REVISIONS THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CYBEX. DESCRIPTION DATE...
  • Page 40 Cybex 750C/750R Cycle Owner’s Manual Console Keys Description PROGRAMS Program Setup Mode Choose from nine programs or nine custom programs MANUAL Manual Mode Go directly to Manual Mode set up ADVANCED Advanced Programs Access advanced program options SHIFT/SCAN Auto-scan Press to disable auto-scan and hold whatever is being displayed.
  • Page 41: Audio Visual (Av) Key Pad - Optional

    OPERTY OF CYBEX. DESCRIPTION Please see Page 1 for revision history Cybex 750C/750R Cycle Owner’s Manual Audio Visual (AV) Key Pad – Optional DESCRIP Please see Page 1 for revision REVISIONS Please see Page 1 for revision history DESCRIPTION DATE...
  • Page 42: Program Selection

    Cybex 750C/750R Cycle Owner’s Manual Program Selection There are nine different pre-programmed options from which to choose. Program Levels Settings P1 Weight Loss Select time, level and weight. P2 Rolling Hills Select time, level and weight. P3 Hills Select time, level and weight.
  • Page 43: Manual And Quick Start Programs Setup

    Cybex 750C/750R Cycle Owner’s Manual 5. Using the number keypad, key in user’s accurate weight when Text Area prompts “ENTER YOUR WEIGHT”. Valid weight range is 50 - 400 lbs (23-181 kgs). Manual and Quick Start Programs Setup The Manual and Quick Start programs have no associated profile or level. Program and Level selection are not available.
  • Page 44 Cybex 750C/750R Cycle Owner’s Manual A3 – Fitness Test Setup 1. Press ADVANCED programs key. 2. Scroll to (or key in) #3. 3. Using the number keypad, key in user’s accurate age when Text Area prompts “ENTER YOUR AGE TO CALCULATE TARGET HEART RATE”. Valid age range is 13 – 113.
  • Page 45 Cybex 750C/750R Cycle Owner’s Manual Fitness Test Review Once the Fitness Test completes, it calculates and displays a fitness review outcome based on performance during the fitness testing period. The bar graph displays “TEST” while the text area scrolls “FITNESS TEST PREDICTED VO2 MAX = XXX”.
  • Page 46: Custom Programs

    Cybex 750C/750R Cycle Owner’s Manual Custom Programs A maximum of nine custom programs can be created from any workout session. The unit automatically records resistance and time segment changes. Custom programs can only be created, stored and played back as Constant Power (like the Factory Programs or Advanced Program A1).
  • Page 47: Data Readouts

    Cybex 750C/750R Cycle Owner’s Manual Data Readouts As the user exercises, the unit keeps track of and displays the following data: Calories Per Hour – Calculation of present workloads energy exertion in Calories per Hour. Distance – The total accumulated distance, in miles or kilometers, during workout. Depending on the defaults chosen this measurement will show in English or Metric.
  • Page 48: Fan Control

    Cybex 750C/750R Cycle Owner’s Manual Wireless Heart Rate Display – To use this feature, a Polar® compatible heart rate transmitter belt (not included) must be worn. Once the actual heart rate is determined, the LED to the right of the Text Area is blinking to the displayed BPM and the Heart LED lights up.
  • Page 49: Preventive Maintenance

    Replace worn or damaged components immediately and/or keep the equipment out of use until repair is completed. Cybex is not responsible for performing regular inspection and maintenance actions of this unit. Instruct all personnel in equipment and inspection and maintenance. Require personnel to report and record all accidents.
  • Page 50: Statistics

    Cybex 750C/750R Cycle Owner’s Manual Statistics The Statistics screen allows tracking of equipment usage. Open Statistics screen from Count Down, Lock, CSAFE ID Entry or Dormant Modes. 1. Press Clear 2. Key 9-9-9 3. Press ENTER Data features can also be accessed from the CSAFE port.
  • Page 51: Rechargeable Battery

    Cybex 750C/750R Cycle Owner’s Manual ERROR NUMBER 27 — LOW BATTERY Cause: Battery voltage is reported to be below the limit of 10.7v DC and the controller has issued the low battery warning. Reset/Remedy: Further use will re-charge battery and the error condition will be cleared automatically.
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  • Page 53: Customer Service

    Hours of phone service are Monday through Friday from 8:30 a.m. to 6:00 p.m. Eastern Standard Time. For Cybex customers living in the USA, contact Cybex Customer Service at 888-462-9239. For Cybex customers living outside the USA, contact Cybex Customer Service at 508-533-4300 or fax 508-533-5183. Serial Number The serial number is located on the unit as shown in Figure 1.
  • Page 54: Servicing Of Double-Insulated Products

    3. Provide the model and serial numbers of your unit. See Serial Numbers and Voltage. 4. At Cybex’s discretion, the technician may request that you return the problem part(s) to Cybex for evaluation and repair or replacement. The technician will assign you an RMA number and will send you an ARS label.
  • Page 55: Damaged Parts

    Failure to do so could result in personal injury. Cybex will void warranty if All inspections and repairs must be performed by trained service personnel only. non-Cybex replacement parts are used. Cybex will void warranty if non-Cybex replacement parts are used.
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  • Page 57: Technical Specifications

    Maximum User Weight: 400 lbs. (181 kg). Power: Self-powered or optional AC adapter for full time display. Connectivity: CSAFE, Cybex Programming Advantage with “One Shot” custom programming Power Supply: 100-240 V, 50/60 Hz, 1.0 A, AC (9V DC, 1.7A). NEMA 5-15 plug (TR-18231) or IEC-320 inlet (TR-18230).
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This manual is also suitable for:

750r

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