IDT Technology SZ999 User Manual

Bluetooth Fabric Chest belt SZ999

The SZ999 water resistant chest belt is equipped with the latest low energy Bluetooth 4.0 Sports

System to achieve reliable transmission linkage with other devices that is with the logo .

WEARING THE CHEST BELT

Chest belt

The chest belt counts your heartbeat and transmits this data to the watch.

1. Align the heart rate detector unit with the snap buttons on the
belt strap. Secure by snapping into place.

2. Unfasten the belt strap.

3. Wet the conductive pads on the underside of the chest belt with
a few drops of water or conductive gel to ensure solid contact.

4. Position the heart rate detector unit below your chest, while
making sure logo is the right way up. Wrap the strap around
your chest and fasten into place.

To ensure an accurate heart rate signal, adjust the strap until the belt
sits snugly below your pectoral muscles.

TIPS

• The position of the chest belt affects its performance.

• Avoid areas with dense chest hair.

• In dry, cold climates, it may take several minutes for the chest belt to function steadily. This

is normal and should improve with several minutes of exercise.

TRANSMISSION SIGNAL

The SZ999 chest belt can be paired with your watch or sports accessory to provide heart rate
readings. Locate your chest belt with the device as close as you can to help achieve pairing. The
heart rate chest belt has a maximum transmission range of about 100 centimeters (40 inches).

To search for heart rate signal, refer to watch instructions.

NOTE While pairing, make sure to stay away from other devices and move the device to pair
close to the watch.

NOTE For SZ999 chest belt, pairing is only considered successful when the heart rate signal
(such as an icon ) is found on the screen of your device.

TROUBLESHOOTING

In the event that you experience a weak signal or your signal is disrupted by interference in the
environment, follow the instructions below to identify and resolve the situation.

1. The signal is weak - the device may only show “0”:

• Shorten the distance between the heart rate chest belt and device.

• Re-adjust the position of the heart rate chest belt.

• Check the conductive pads are moist enough to ensure solid contact.

• Check the batteries. If they are low or exhausted, the transmission range may be

shortened.

• Force a signal search on the device.

2. The gym equipment does not seem to work with your chest belt.

• Most gym equipment is compatible with analog transmission. This chest belt does
not transmit an analog signal, it only uses the low energy Bluetooth 4.0 technology.

3. Signal is jammed or there is interference from another person’s heart rate monitor:

• There is too much interference in the environment for your heart rate monitor to
function. Move to an area where the watch can register your heart rate reading
and/or force another signal search.

WARNING Signal interference in the environment can be caused by electromagnetic
disturbances. These may occur near high voltage power lines, traffic lights, overhead lines of
electric railways, electric bus lines or trams, televisions, car motors, bike computers, some motor
driven exercise equipment, cellular phones or when you walk through electric security gates.
Under interference, the heart rate reading may become unstable and inaccurate.

REPLACE BATTERY

Please replace battery promptly as it may affect the accuracy of the readings.

To replace the chest belt battery:

1. Detach the heart rate detector unit from the belt strap.

2. Use a coin to open the battery compartment lid by turning it anticlockwise to open.

3. Remove the old battery and insert a new CR2032, 3V lithium battery. Make sure to place
the battery in the compartment following the polarity +/-.

4. Secure the lid by turning the coin clockwise.

IMPORTANT Remember to set the profiles after every battery replacement or reset.

CARE INSTRUCTIONS

The belt strap can be hand washed. Remember to detach the heart rate detector unit!

• Do not wrap the detector unit in a wet towel nor with other wet materials.

• Do not place or wash the heart rate detector unit under running water, instead clean it with a

wet cloth.

• Properly dry the detector unit immediately after use.

• Do not store the chest belt in a hot (about 50°C) and humid (about 90%) environment.

• Do not place the conductive rubber face down on a metal table or surface.

• Do not bleach, dry clean, tumble dry or iron the belt strap.

WATER RESISTANCE

The SZ999 is water-resistant up to 10 meters (32.8 feet). Not recommended to use for swimming.

RAIN
SPLASHES
ETC

SHOWERING
(WARM /
COOL
WATER
ONLY)

LIGHT
SWIMMING /
SHALLOW
WATER

SHALLOW
DIVING /
SURFING /
WATER
SPORTS

SNORKELING
/ DEEP
WATER
DIVING