Highgear Aerial - Manual (Page 6)

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care and maInTenance
Your watch or handheld instrument should be protected from shocks, extreme heat and extended
exposure to direct sunlight. You should only perform service procedures related to the changing of the
battery as shown in this manual. neVer attempt to disassemble or otherwise service the product.
Store the product in a clean, dry area at room temperature.
Clean your watch using a moist cloth. Care should be taken when cleaning the lens not to rub dirt into
the surface as it can become scratched and hard to read.
Changing WatCh Battery
The ATF8 / Alterra / Altiforce / Aerial use a common Cr2032 3V Lithium battery.
Normal battery life is approximately 1yr.
note: Heavy usage of the Altimeter, Compass or Backlight system may
significantly reduce battery life.
note: A blank display or inaccurate altimeter or compass readings are indications that the
battery is getting weak and should be replaced.