Adjust the strap until the transmitter sits snugly below the pectoral muscles for an accurate heart rate signal. HINTS • The position of the transmitter affects its performance. Move the transmitter along the strap for the best transmission. Avoid areas with dense chest hair. • In dry, cold climates, it takes the transmitter a while to function steadily. This is normal, as the conductive pads need a fi lm of sweat to improve contact with the skin. THE RECEIVER The receiver comes in the format of a wristwatch. EFFECTIVE RANGE The transmitter and receiver will start transmitting and receiving signals after the batteries are in place. When the battery is full, both units can be worn or mounted up to 76 cm (30 inches) apart. If signals become unsteady: • Shorten the distance between the transmitter and receiver. • Re-adjust the position of the transmitter. • Check the batteries. Replace them when necessary. USE IN THE WATER The SE128 wristwatch is water-resistant up to 50 meters (164 feet). RAIN SPLASHES ETC SHOWERING (WARM/ COOL WATER ONLY) LIGHT SWIMMING/ SHALLOW WATER SHALLOW DIVING/ SURFING/ WATER SPORTS SNORKELING/ DEEP WATER DIVING 50M / 164 FEET OK OK OK OK NO NOTE Set the unit before exposing it to excessive water. Pressing the keys while in the water or during heavy rainstorms may cause water to enter the unit. OPERATION THE BACKLIGHT Press to turn backlight ON for 5 seconds. ACTIVATING KEYPAD LOCK To toggle keypad lock ON / OFF: Press and hold for 2 seconds. indicates keypad is locked. OPERATING MODES CLOCK ALARM STOPWATCH Press MODE to switch between: • Clock mode • Alarm mode • Stopwatch mode HR / KCAL MODE HEART RATE MEASURMENT Press / KCAL to enter HR Measurement mode. Press MODE to return to previous mode. NOTE When no signals are received or the measurement is out of range for fi ve minutes, the receiver will automatically return to the previous operating mode. HEART RATE LIMITS The heart rate limits help you determine if you are exercising within your training zone. • If you go above your limits will fl ash • If you go below your limits will fl ash To set the heart rate limits: 1. Press / KCAL to navigate to HR measurement mode. 2. Press and hold MODE until appears. 3. Press SET to choose the lower limit, then press MODE to confi rm. 4. Press SET to choose the upper limit , then press MODE to confi rm. NOTE The upper limit must exceed the lower limit. The transmitter will adjust the ranges automatically according to the data entered. You can also activate the heart rate limit alert function, so the transmitter will emit a beeping sound when the limits are exceeded. To activate the heart rate limits alarm: 1. Press / KCAL to Navigate to HR measurement mode. 2. Press and hold / KCAL. ICON HIGH / LOW ALARM On No Icon Off TIME AND DATE To set the time and date: 1. Press MODE to navigate to Clock mode. 2. Press and hold MODE to enter settings. 3. Press SET to scroll through the setting options. The setting sequence is as follows: 12 / 24-hour time; hour; minute; day-month / month-day; month; day; day of the week. 4. Press MODE to confi rm. TIP Press and hold SET to rapidly scroll through value settings. To display the date: Press SET in Clock mode. NOTE If no key is pressed for ten seconds, the display will return to Clock mode. To set the alarm: • Press MODE to navigate to Alarm mode. 2 1 • Press and hold MODE to enter settings. • Press SET to scroll through the setting options. The setting sequence is as follows: hour; minute. • Press MODE to confi rm. To activate or deactivate the alarm: 1. Press MODE to navigate to Alarm mode. 2. Press SET to turn the alarm on or off. A will indicate that the alarm has been activated. NOTE When the alarm clock is activated, it will sound at the set time every day. Press any button to stop the alarm for that day. The alarm clock is still active and will set off again the following day. STOPWATCH To use the stopwatch: • Press MODE to Navigate to Stopwatch mode. 1 3 2 • Press ST/SP to start the stopwatch. • Press ST/SP to stop the stopwatch. • Press and hold SET to reset. NOTE Unless you stop the stopwatch, “ ” will blink in all modes to remind you that the stopwatch is still timing. USER DATA To access the full benefi ts of this product, set up your user data before you exercise. This will automatically enable the watch to calculate the level of calories burned when exercising. This information helps you track your progress over time. To set user data: 1. Press / KCAL to navigate to HR measurement mode. 2. Press and hold to MODE to enter USER DATA mode. 3. Press MODE to scroll through the setting options. The setting sequence is as follows: set Lower limit; set Upper limit; set Age; set Weight unit; set Weight. 4. Press SET to increase values. 5. Press MODE to confi rm. NOTE You must enter your user data to enable the calorie count function. To view the amount of calories burnt: • Press / KCAL to navigate to HR mode. • Press / KCAL to view calories burnt. NOTE The...