T5K738 - Heart rate monitor TIMEX - Free user manual and instructions
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| Product Type | Heart rate monitor |
| Brand | Timex |
| Model | T5K738 |
| Display | Digital LCD screen |
| Main functions | Heart rate measurement, stopwatch, time and date |
| Sensor | Chest strap with wireless transmitter |
| Power (receiver) | CR2032 button cell battery |
| Power (strap) | CR2032 button cell battery |
| Battery life | Approximately 1 year with normal use |
| Water resistance | Splash resistant, waterproof up to 30 meters |
| Strap | Adjustable length resin strap |
| Dimensions (case) | Approximately 45 mm in diameter, 12 mm thick |
| Weight | Approximately 50 grams with battery |
| Training functions | Programmable heart rate zones, zone alarms |
| Backlight | Yes, with Indiglo feature |
| Box contents | Monitor, chest strap, instruction manual |
| Care and cleaning | Wipe with a soft, dry cloth; clean the strap with a damp cloth after use |
| Safety | Consult a physician before starting an exercise program |
| Spare parts and repairability | User-replaceable batteries; spare parts available from the manufacturer |
| Warranty | 2-year manufacturer's warranty |
Frequently Asked Questions - T5K738 TIMEX
How to properly wear the chest strap?
Fasten the strap around your chest, just below the pectorals. The strap should be snug but not too tight. Lightly moisten the electrodes on the back of the strap to ensure good contact with the skin.
How to replace the monitor battery?
Open the compartment on the back of the case with a suitable screwdriver. Remove the old battery and insert a new CR2032 battery, respecting the polarity (+ and -). Carefully close the compartment.
Is the T5K738 monitor waterproof?
Yes, it is waterproof up to 30 meters. You can wear it in the rain or while swimming, but avoid pressing the buttons underwater.
How to set the time and date?
Press the MODE button to switch to clock mode, then hold SET for 3 seconds. Use the Start/Split buttons to set the successive values and confirm with SET.
Why is the heart rate not displayed?
Check that the strap is correctly positioned and that the electrodes are moist. Make sure the strap battery is functional. The monitor must be within one meter of the strap during transmission.
What to do if the screen lights up but receives no signal?
Replace the chest strap battery if needed. Re-moisten the electrodes and tighten the strap. Try to move away from any source of electromagnetic interference (phone, computer).
How to clean the chest strap?
Detach the strap from the transmitter if possible. Hand wash the strap with mild soap and rinse with clean water. Let it air dry, away from a heat source.
Does the monitor have a backlight?
Yes, the Indiglo feature activates by pressing the Indiglo button. It illuminates the entire screen evenly for a few seconds.
Can I use this monitor without the chest strap?
No, the monitor requires the chest strap to detect the pulse. Without the strap, it can function as a classic watch (time, date, stopwatch) but heart rate measurement is impossible.
What to do if the displayed heart rate seems abnormal?
Moisten the electrodes of the strap and make sure it is properly adjusted. Check that there is no thick hair or clothing between the strap and the skin. Try again after a few seconds of rest.
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USER MANUAL T5K738 TIMEX
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Product information
Brand : TIMEX
Model : T5K738
Category : Heart rate monitor