
8
1 Preface
Operational precautions
Use of the product in a manner not specified by the
manufacturer may impair the protection function or product
performance provided by the product. Exercise the following
precautions.
• Do not use or store the product at a location exposed to
direct sunlight, dusty location and high-temperature/high-
humidity location.
• Do not drop the IG-340 main unit or have a strong impact on
it. This may cause a malfunction or deterioration in
performance.
• The IG-340 main unit realizes a dust-proof/drip-proof
structure (IP42) with the USB terminal cover attached. Note
that the drip-proof function for the inside the protective cover
is not provided. Do not subject the product to excessive
moisture or dust.
• Keep the product away from fire.
• Turn OFF the power after use. Remove the batteries if the
product is not used for prolonged periods.
• The lens is particularly a delicate item. Be careful not to rub it
with force or scratch it when using.
If there is a scratch on the lens, stop using the product
immediately, and contact HORIBA, Ltd. or your dealer.
• Do not touch the lens and the standard plate attached on the
protective cover with bare hands or a dirty item.
• If the standard plate or lens is dirty, correct measurements
cannot be performed. If there is dirt or dust attached on it, be
sure to wipe it off with a soft dry cloth to always keep it clean.
If there is a scratch on the standard plate, stop using the
product immediately, and contact HORIBA, Ltd. or your
dealer.