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Operational precautions
● The instrument should be installed and/or stored in a dust free place free from high temperatures, high humidity and
direct sunlight. The environmental conditions described below should be observed strictly.
In operation In storage
Environmental temperature 10˚C to 40˚C -15˚C to 60˚C
Relative humidity 30% to 75% 10% to 95%
● Be careful about where the instrument is to be installed, to keep it from accidentally being unplugged during opera-
tion. If it should be unplugged, be sure to turn off the power switch before plugging again.
[ Operation ]
● Handle the instrument carefully so that the instrument will not be shocked hard. When the instrument was shocked
hard, dropped off or damaged in any degree, do not operate the power source or the main unit before taking mea-
sures.
● When the main unit is not in use, be sure to always cover the instrument for protection.
● Set all the dials and knobs with click(s) at their proper click positions.
● Do not operate lamp .continuously. Make it a rule to operate it for about two minutes immediately followed by at least
three minutes of turn-off.
[ Power source/charging ]
● Charge a designated power pack only, to avoid a danger of trouble. Any other battery may explode to injure the body
and articles around it.
● The line voltage should be within ±10% of the rated value.
● Do not turn on and off the power switch consecutively, but at an interval of at least five seconds instead.
● Plug and unplug with the power switch off.
[ Cautions in miscellaneous matters ]
● Kowa is not responsible for product failure and damage caused by modification, maintenance or repair rendered by
an other than designated service operator.
● Kowa is not responsible for product failure and damage caused by modification, maintenance or repair rendered
using other than designated parts as expressed and implied in the warranty certificate.
● Since this instrument uses precision parts which will require special tool for adjustment, never disassemble or adjust
it yourself.