Garmin VHF 720 Manual do proprietário e referência - Página 36
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Maintenance
&
T roubleshooting
Storage:
Store the VHF 720 in a cool, dry location when not used for
prolonged periods. When stored for more than six months, remove
alkaline batteries to prevent leakage from expended cells. While the
GARMIN VHF 720 is designed to withstand immersion in water (with
or without the battery pack in place) it should be treated like all
quality electronic equipment. Wipe away any water accumulation
from the surface of the unit and use a paper towel or other absorbent
material to wick out any moisture from the battery cavity. Exposure of
battery terminals to salt spray may cause corrosion and loss of
conductivity. Be certain to keep contacts dry and away from corrosive
elements. Storage temperature should not vary from: below -4 degrees
F (-20 degrees C) and above 158 degrees F (70 C)
Cleaning:
Clean exterior portions of the VHF 720 with a mild soap and water
solution. Do not use harsh detergents or solvent based cleaning
agents. Isopropyl alcohol is acceptable. Wipe dry with a clean, non-
abrasive cloth.
Submersion in Water:
The VHF 720 is constructed to meet IEC Standard 529 IPX7. It
can withstand submersion in 1 meter of water for up to 30 minutes.
Note that, while the unit is designed to operate after submersion,
meaning; if dropped in water and retrieved quickly, it should suffer no
damage. Prolonged submersion may cause damage to the unit. After
submersion be certain to remove the battery pack and dry the battery
contacts and the battery cavity, as the battery cavity is separated from
the rest of the unit and can allow water intrusion.
Battery Maintenance:
Keep battery contacts clean. Use only the types of batteries
specified for use with the VHF 720. The VHF 720 battery tray accepts
six (6) standard "AA" alkaline, rechargeable alkaline or rechargeable
NiCad cells. It is advisable to maintain a supply of replacement
batteries if the VHF 720 is to be placed in service for a prolonged
period where replacement batteries cannot be easily obtained.
Whenever possible, transmit with 1 watt power to prolong battery life.
NOTE: