85
Flow app will also decrease the battery life. The operating time is significantly reduced in temperatures well
below freezing. Wearing the M430 under your overcoat helps to keep it warmer and to increase the operating
time.
LOW BATTERY NOTIFICATIONS
Battery low. Charge: The battery charge is low. It is recommended to charge M430.
Charge before training: The charge is too low for recording a training session. A new training session cannot
be started before charging M430.
Low battery notifications during training:
• M430 notifies you when there is enough battery life left for one hour in the training session.
• If Battery low is shown during training, the heart rate measurement and GPS are switched off.
• When the battery is critically low, Recording ended is shown. M430 stops the training recording and
saves the training data.
When the display is blank, the battery is empty and M430 has gone to sleep mode. Charge your M430. If the
battery is totally drained, it may take a while for the charging animation to appear on the display.
CARING FOR YOUR M430
Like any electronic device, the Polar M430 should be kept clean and treated with care. The instructions below
will help you fulfill the guarantee obligations, keep the device in peak condition and avoid any issues in
charging or syncing.
KEEP YOUR M430 CLEAN
Wash the M430 under running water with a mild soap and water solution after each training session. Wipe it
dry with a soft towel.
Keep the M430's USB port and charging cable clean to ensure smooth charging and syncing.
Before charging, make sure there’s no moisture, hair, dust or dirt on the M430’s USB port or charging cable.
Gently wipe off any dirt and blow off any dust. You can use a toothpick if needed. Do not use any sharp tools
for cleaning to avoid scratching.
Keep the USB port clean to effectively protect your M430 from oxidation and other possible damage caused
by dirt and salt water (e.g. sweat or sea water). The best way to keep the USB port clean is to rinse it after
each training session with lukewarm tap water. The USB port is water resistant and you can rinse it under
