Instruction manual

109
CARE AND MAINTENANCE:
• Extreme temperatures, vibration and shock should be avoided as these may
cause damage to the units and give inaccurate forecasts and readings.
• When cleaning the display and casings, use a soft damp cloth only. Do not use
solvents or scouring agents as they may mark the LCD and casings.
• Do not submerge the units in water.
• Immediately remove all low powered batteries to avoid leakage and damage.
Replace only with new batteries of the recommended type.
• Do make any repair attempts to the units. Return it to their original point of
purchase for repair by a qualified engineer. Opening and tampering with the
units may invalidate their guarantee.
• Do not expose the units to extreme and sudden temperature changes, this may
lead to rapid changes in forecasts and readings and thereby reduce their
accuracy.
SPECIFICATIONS:
Temperature measuring range:
Outdoor : -40ºC to +59.9ºC with 0.1ºC resolution
-40°F to +140°F with 0.2°F resolution
(“OF.L” displayed if outside this range)
Relative humidity measuring range:
Outdoor : 1% to 99% with 1% resolution
(“- -” displayed if < 1%, "99" displayed if ≥ 99%)