NB N4 Manual 

Analog Heart Rate Monitor 12 / 24 Hour Clock 50 Year Calendar Daily Alarm Backlight Customized User Settings User Selectable Chronograph Views • % Maximum Heart Rate • Total Calories • Total Time In Heart Rate Zone • Upper Heart Rate Limit • Lower Heart Rate Limit • Total Time 24 Hour Chronograph 9 Run Memory Accumulated Memory of last 9 Runs Preset Heart Rate Intensity Zones Heart Rate Zone Alarm Comprehensive Run Data Mode • Run Date • Total Time • Total Time In Heart Rate Zone • Total Calories • % Fat Burned • Maximum BPM • Average BPM N4 HRM TABLE OF CONTENTS N4 Features and Specifications........................................................ 1 Warnings and Cautions..................................................................... 2 Warnings and Cautions..................................................................... 3 Care of the HR Transmitter............................................................... 3 Wearing the HR Transmitter.............................................................. 4 TIME MODE...................................................................................... 5 Setting Time and Date....................................................................... 5 Turning Button Chime ON or OFF..................................................... 5 Switching Upper Display in Time Mode............................................. 5 HRM MODE...................................................................................... 6 Using the Preset Heart Rate Intensity Levels................................... 6 HRM Mode User Settings................................................................. 6 Heart Rate Zone Alarm and Limit Indicators..................................... 7 Switching HRM Mode Views............................................................. 7 Saving Workout to Data Mode or...................................................... 7 Clearing Workout without Saving to Data Mode DATA MODE...................................................................................... 8 Reviewing Stored Workouts.............................................................. 8 Clearing Stored Workouts................................................................. 8 USING THE BACKLIGHT................................................................. 8 ALARM MODE.................................................................................. 8 Setting the Daily Alarm...................................................................... 8 Turning the Alarm ON or OFF........................................................... 8 Water Resistance and Batteries........................................................ 9 Battery Replacement......................................................................... 10 Troubleshooting the N4 Watch.......................................................... 11 Troubleshooting the HR Transmitter................................................. 12

WARNING: Before starting any exercise program, we strongly suggest that you visit your doctor for a complete physical and to discuss your exercise plans. PLEASE READ all information in this instruction manual before using this unit. NOTICE TO PEOPLE WEARING PACEMAKERS: While the heart rate monitor is a passive system and should have no direct effect on a pacemaker, we strongly recommend anyone fitted with such a device contact their physician or cardiologist before using this product or starting an exercise program. Please keep in mind; your watch is a sensitive technical instrument. With proper care and maintenance, it will last for many years. However, improper care and handling can cause the various sensors to be damaged and will harm the functioning capabilities. NEVER push the buttons under water, when the watch is wet or when you are cleaning or rinsing the unit. You are actually pushing water inside the watch. DO NOT use the watch in a hot tub or extremely hot shower/bath. High temperatures and steam can damage the rubber seals. DO NOT expose the watch to sudden changes of temperature by going from a hot tub to cold water. This can make the rubber seals contract and allow water to penetrate.

DO NOT wear the watch in soapy dishwater or bubble baths.The alkali contained in soaps can damage the rubber seals. DO NOT use cleaning solvents to clean your watch. Solvents WILL damage the integrity of the plastic.The watch can be wiped clean with a lightly moistened cloth. ALWAYS rinse the watch with clear tap water after exposure to salt water. Salt is highly corrosive and can damage both the rubber seals and the watch case. PROTECT the watch from extreme heat, shocks and excessive exposure to direct sunlight. NEVER expose the watch to strong chemicals such as gasoline, cleaning solvents, acetone, alcohol, insect repellent, sunscreen and other toiletries, as they may damage the unit. KEEP the unit out of the reach of children and pets. The unit contains small parts that might be swallowed. NEVER disassemble or modify the unit. Modifications to this unit will VOID THE WARRANTY. Care of the Heart Rate Transmitter • After every use you should rinse the transmitter strap and elastic in warm fresh water and dry with a dry cloth. • Do not store the transmitter when wet as this may shorten the battery life. • The transmitter should be stored flat rather than folded and should never be bent or stretched as this may damage the electrodes. • Never lay your heart rate transmitter on a metal surface, as this will quickly drain the battery.

The heart rate transmitter strap consists of two conductive electrodes attached to a small radio transmitter housed in the center of the strap. The electrodes sense the electrical potential created each time your heart contracts and the radio transmitter sends a signal to the watch each time the electrodes sense the heart beat. For the best performance, a layer of sweat should be built up between your skin and the electrodes of the transmitter. This makes it easier for the electrodes to “see” the electrical signal. On cool days or at the beginning of your workout, it may be necessary to moisten the electrodes on the back of the transmitter using saliva or one of the commercially available conductive creams. DO NOT use tap water to moisten the electrodes as tap water will act as an insulator rather than a conductor and may actually reduce the performance of the system. The transmitter should be worn around the rib cage, just below the pectoral muscles. The elastic strap of the system should be adjusted so that it is snug enough so it does not move during use, but not so tight as to restrict breathing. While the wearing of the transmitter strap may feel a bit strange initially, most people become used to it within a few days and cease to even notice they are wearing it. ELECTRODES

for your local time zone and the clock format (12/24 Hour). Setting Time and Date • From TIME mode, PRESS & HOLD LIGHT / SET to enter the setting sequence. • PRESS START / VIEW or STOP to make changes. • PRESS MODE to move to the next value. • When all variables are programmed, PRESS LIGHT / SET to exit time mode settings. Turning Button Chime ON or OFF • In TIME mode, PRESS START / VIEW to toggle the button chime ON or OFF. • With the button chime ON, a short beep will sound upon each button press and at the top of each hour. NOTE: Turning the button chime ON, does effect the overall battery life.You will experience a longer battery life if you leave the button chime OFF. Switching Upper Display in Time Mode • In TIME mode, PRESS STOP to toggle between Day-of-the-Week / Day and Month / Day in the upper display. Select Clock Format MODE MODE Select Day Select Month MODE MODE Set Hour MODE MODE Set Minutes Select Year Set Seconds 00:00’03”

view current HRM, percentage maximum HRM, total calories burned, total running time and your heart rate zones. Using the Preset Heart Rate Intensity Levels The N4 has the ability to automatically set the users heart rate zone based the following equations. The setting can be found in HRM mode user settings. Male Maximum Heart Rate = 214 - ( 0.8 * age ) Female Maximum Heart Rate = 209 - ( 0.7 * age ) L1 (Light Intensity Workout) = 60% Max HR to 70% Max HR L2 (Medium Intensity Workout) = 70% Max HR to 80% Max HR L3 (Heavy Intensity Workout) = 80% Max HR to 90% Max HR HRM Mode User Settings NOTE: The chronograph must be reset to 00’00”00 to enter the user settings. • From HRM mode, PRESS & HOLD LIGHT / SET to enter the setting sequence. • PRESS START / VIEW or STOP to make changes. • PRESS MODE to move to the next value. • When all variables are programmed, PRESS LIGHT / SET to exit HRM mode settings. MODE MODE MODE MODE MODE 00:00’03” MODE MODE MODE Select Units Set Metric Height Set Metric Weight Set Imperial Weight Turn Heart Rate Zone Alarm ON / OFF Set Imperial Height OR OR Set Age Set Gender Select Heart Rate Zone Level Customize Upper Heart Rate Zone Limit Customize Lower Heart Rate Zone Limit Heart Rate Zone Alarm ON Icon

The N4 will notify you if you are outside your heart rate zone in two ways • A zone indicator icon will flash in the display depending where you are outside your set heart rate zone. • The watch will beep along with the flashing the corresponding zone indicator. Switching HRM Mode Views You can change the upper display by pressing STOP at any time during a workout. Below is a list of HRM Mode Views Total Workout Time Total Time In-Zone % Max Heart Rate Maximum Heart Rate Total Calories Burned Minimum Heart Rate Time of Day Upper Zone Indicator Lower Zone Indicator Using the Chronograph & Saving Workout to Data Mode or Clearing Workout without Saving to Data Mode • PRESS START / VIEW to start and stop the chronograph. The chronograph must be stopped to save or clear the data. • PRESS & HOLD STOP for 3 seconds to save workout to data mode and reset HRM mode for next workout. • PRESS & HOLD LIGHT / SET for 3 seconds to clear HRM mode without saving to DATA mode. NOTE: All workout data will be lost if you clear HRM mode without saving. DATA MODE DATA mode can store a total of 9 individual workouts and one accumulated record of the 9 runs within memory. Below is a list of the information stored within data mode for each workout and accumulated record. • Workout Date • Total Workout Time • Total Time Within Heart Rate Zone • Total Calories Burned • Percentage Fat Burned • Maximum Heart Rate • Average Heart Rate

• From DATA mode, PRESS START / VIEW to select desired workout or accumulated record. • The stored information for each workout will begin to auto-scroll at 4 second intervals. Clearing Stored Workouts • Select the workout you wish to clear from memory. • PRESS & HOLD LIGHT / SET for 3 seconds to clear the selected workout. • Continue to HOLD LIGHT / SET for a total of 5 seconds to clear ALL workout memory. NOTE: If you have the accumulated record selected, all workout memory will be cleared after HOLDING LIGHT / SET for only 3 seconds. Using the Backlight • In ANY mode, PRESS LIGHT / SET to activate the 3 second backlight. NOTE: Heavy use of the backlight will effect the overall battery life. Although we recognize the backlight is an extremely valuable feature of any watch, avoiding unnecessary activating or pressing the backlight button in rapid succession should be avoided. ALARM MODE Setting the Daily Alarm • From ALARM mode, PRESS & HOLD LIGHT / SET to enter the setting sequence. • PRESS START / VIEW or STOP to make changes. • PRESS MODE to move to the next value. • When all variables are programmed, PRESS LIGHT / SET to exit alarm mode settings. NOTE: The Alarm will automatically turn ON upon exiting the alarm settings. Turning the Alarm ON or OFF • Within ALARM mode, press START / VIEW to toggle the alarm ON or OFF.

50 Meter / 5 BAR / 5 ATM Suitable for surface swimming and bathing NOTE: Environments with steam or extremely high humidity levels could cause water damage. NOTE: Water damage may occur if buttons are pressed underwater. N4 Watch Battery CR2025 3v Lithium approximately 1 year battery life N4 Heart Rate Transmitter Water Resistance 30 Meter / 3 BAR / 3 ATM NOTE: The Heart Rate Transmitter should not be submerged in water. NOTE: Environments with steam or extremely high humidity levels could cause water damage. Heart Rate Transmitter Battery CR2032 3v Lithium approximately 700 - 800 hours battery life Signs of failing / dying batteries are: - a fading or blank display (especially when the backlight is active) - the heart rate function will not activate NOTE: Keep watch batteries away from children and pets. NOTE: This product contains a button-cell battery. If swallowed, contact a physician immediately; severe damage or death may occur. NOTE: Watch batteries contain chemical substances. Dispose of the watch, battery and all components according to local regulations. Unlawful disposal can contribute to environ- mental pollution. NOTE: Do not place battery in fire; the battery may explode. NOTE: Special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate. BE AWARE: Lithium batteries of the type used in this unit are very susceptible to improper storage. Many times, batteries pur- chased as new are dead or weak before they are purchased. If you try a new battery and problems persist, please try a second battery from another source, just to be certain.

To ensure water resistance, all battery replacement on the watch should be completed by a trained watch repair technician. Heart Rate Transmitter Battery Due to a lower battery life than the watch, the Heart Rate transmitter has a user replaceable battery hatch so you can replace the CR2032 battery. NOTE: The battery hatch is plastic and can be easily damaged by applying too much pressure on the coin slot. DO NOT turn the battery hatch excessively in either direction; this will help to avoid damage to the plastic battery hatch. For best results, it is also recommended that you employ the assistance of a trained repair technician to replace the transmitter battery. Follow the steps below to replace the transmitter battery. • Using a coin, turn the battery hatch counter-clockwise 15 degrees from the horizontal closed position to the OPEN dot on the caseback. • Remove the battery hatch. Take extreme care not to displace the rubber O-ring within the battery cavity. Improper placement will compromise the water resistance of the transmitter. • Remove the old CR2032 battery and replace with a new one. Again, take care not to touch the O-ring. • Align the arrow next to the coin slot with the OPEN dot on the caseback. • Gently press the battery hatch done into the battery cavity until it is even with the caseback surface. • Gently turn the battery hatch clockwise to the original position aligning the arrow with the CLOSED dot. OPEN CLOSED

The watch is a very sensitive and sophisticated instrument. If properly cared for it should last and remain accurate for many years. It has been our experience that the majority of the problems seen by consumers with products such as this are related to dead or dying batteries. While the estimated life of a fresh battery in the watch is approximately one year, this can be shortened considerably if the backlight feature of the watch is used extensively. Whenever you are experiencing issues related to the function of the unit it is recommended that you reset the watch to factory settings as a first course of action. Resetting the watch to factory settings • PRESS & HOLD all four button simultaneously until all segments activate in the display. • The watch will automatically reset to factory defaults. NOTE: Resetting the watch will erase ALL stored settings and workouts. If the reset does not solve the issue, it is likely time to replace the battery especially if it has been more than a 9 months since the last time the battery was replaced.

Ensure Proper Placement and Alignment of Transmitter on Chest If you are not getting a good connection, you may be wearing the transmitter too high or too low on the chest. Adjust the position on the chest to see if the connection changes to satisfactory results. You may be experiencing issues with connection due interference with workout shirts, under garments or sports bras. Ensure that the transmitter is 100% in contact with the skin and not on top of any clothing. Cross-talk Exercising in close proximity to other people using heart rate monitors may cause your watch to pick up signals from chest straps other than your own. This is known as Cross-talk. To avoid problems associated with Cross-talk it is recommended that you separate yourself from others wearing heart rate monitors by a minimum of 3 feet or 1 meter in all directions. Transmission Range The heart rate monitor system has an effective range of 28 - 30 inches ( .75 meters ). If the monitor is separated from the transmitter strap by a greater distance than this, you may not be able to receive a heart rate signal. Avoiding Environmental Interference with the Heart Rate Transmitter. Analog heart rate monitors function using a very low transmission frequency. Because of this they are susceptible to interference from a variety of electromagnetic and microwave sources. High-tension power line, traffic light controls, home and automotive electronics, powered exercise equipment; home security and wireless LAN systems and other things may interfere with the ability of the system to register a heart rate. Intermittent readings of zero or of very high heart rates ( exceeding 210 beats ) are an indication of some type of interference. In general, the interference caused by these sources is localized. After a few seconds or at most minutes, you should pass from the area of interference and the operation of the watch should return to normal.

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