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The communication unit is sold separately. The communication unit also features a watch
charging function. The charging specifications (including time required to charge the
watch, number of charges and so forth) and charging procedure of the communication unit
are the same as those of the charger provided.
CAUTION Handling of Communication Unit
The communication unit is composed of precision electronic components. Please
handle with care.
• Do not allow water to contact the communication unit or allow it to become wet. It is not
of water resistant construction. In addition, entrance of sand, dust or other debris inside
the communication unit can cause a malfunction. Particular caution is required in the
case of using the communication unit outdoors. Make sure that the watch is not wet
when placing it in the communication unit.
• When transporting the communication unit, always make sure to place it in its special-
purpose trunk or place it in a bag wrapped in cloth or sponge that prevents the passage
of electricity. Carrying the communication unit unprotected can cause generation of
heat or the size AA alkaline batteries inside the unit to become worn down due to
shorting between the terminals. When storing at home, be careful so that the terminals
of the communication unit are not shorted due to contact with metal.
• Use and store the communication unit within a temperature range of +10°C to +40°C
(50°F to 104°F), and humidity range of 20% to 80% (with no condensation of moisture).
Avoid storing and using in environments subject to sudden changes in temperature.
• Avoid storing and using the communication unit in locations subject to direct sunlight or
high levels of sand and dust. Do not allow it to remain inside an automobile in
particular.
• Do not attempt to disassemble or modify the communication unit. This can cause a
malfunction.
• Do not use the communication unit in close proximity to a television or radio. This can
cause reception interference.
• Do not connect the communication unit to other brands of watches or other models of
Citizen watches. This communication unit is to be used exclusively with CYBER
AQUALAND Nx (Movement No. D71*).
• Only use the USB cable provided. The use of other cables can result in the occurrence
of electromagnetic interference or other detrimental effects.
• Do not drop the communication unit or subject it to strong impacts. This can cause it to
crack and malfunction.
• Please be aware that the manufacturer is in no way responsible for damages, lost profit
or any other demands from a third party incurred as a result of use of this unit.
• Also be aware that the manufacturer is in no way responsible for damages, lost profit or
any other demands from a third party incurred as a result of repairs or malfunction of
this unit.
Communication Unit