Qstarz BT-Q890 User Manual - 4. Product Notice
BT‐Q890 A‐GPS nano
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4. Product Notice
On Handling
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If BT‐Q890 isn’t used in temperature between ‐10℃ ~ 60℃, its
battery charging capability will decrease. Leave the BT‐Q890 far
from heat or high temperature environment. And also, do not
expose your BT‐Q890 in temperature higher than 140℉/60℃
to prevent the battery inside BT‐Q890 from overheating,
exploding or burning itself. The built in battery inside the
BT‐Q890 should be recycled.
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It is recommended to turn BT‐Q890 off in the hospital. Wireless
GPS receiver may interfere with the medical equipments which
use radio frequency.
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The manufacturer assumes no responsibility for any damages
and loss resulting from the use of this manual, or from deletion
of data as a result of malfunction, dead battery, or from misuse
of the product in any way.
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Please clean the unit with a dry and clean soft close. Do not use
harsh cleaning solvents, chemicals, alcohol, or strong
detergents.
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Do not attempt to open BT‐Q890 by yourself. Unauthorized
hacking may damage the unit, and void your warranty.
On Battery & Safety
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Charging time is about 1 hour typically for this unit. We suggest
disconnecting the unit from the cigarette charger or AC charger
after the unit has been fully charged.
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Be sure to use the supplied cigarette charger including in
package; otherwise excessive voltage may be applied to the
unit and may cause smoke, fire, or accident.
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When the unit is not in use or not charged, we suggest
disconnecting the unit from the cigarette charger. Otherwise
battery drain may result.
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Note that the built in battery cannot be charged outside the