GME GX850W User Manual
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I N S T R U C T I O N M A N UA L
G X 8 5 0
used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference 
to radio or television reception, which can be determined by 
turning the equipment off and on, the user is encouraged to 
try to correct the interference by one or more of the following 
measures: 
•
Reorient or relocate the receiving antenna.
•
 Increase the separation between the equipment and 
receiver. 
•
Connect the equipment into an outlet on a circuit different 
from that to which the receiver is connected. 
•
Consult your dealer or an experienced radio/TV technician 
for help. 
NOTE:
Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void 
the user’s authority to operate the equipment.
EU Regulatory Conformance
As certified by the qualified laboratory, the product is in 
compliance with the essential requirements and other 
relevant provisions of the Directive 1999/5/EC. Please note 
that the above information is applicable to EU countries only. 
OPERATING RULES
Priorities
•
Read all rules and regulations pertaining to priorities and 
keep an up-to-date copy handy. Safety and distress calls 
take priority over all others.
•
You must monitor Channel 16 when you are not operating 
on another channel.
•
False or fraudulent distress calls are prohibited under law.
Privacy
•
Information overheard but not intended for you cannot 
lawfully be used in any way.
•
Indecent or profane language is prohibited.
RADIO LICENCES
Ship Station License
When your craft is equipped with a VHF FM radio, you must 
have a current radio station licence before using the radio. 
It is unlawful to operate a ship station which is not licensed. 
Inquire through your dealer or the appropriate government 
agency for a Ship-Radiotelephone license. This license 
includes the call sign which is your craft’s identification for 
radio purposes.
Operators License
A restricted Radiotelephone Operator Permit is the license 
most often held by small vessel radio operators when a 
radio is not required for safety purposes. The restricted 
Radiotelephone Operator Permit must be posted near the 
radio or be kept with the operator. 
Only a licensed radio operator may operate a radio. However, 
non-licensed individuals may talk over a radio if a licensed 
operator starts, supervises, ends the call and makes the 
necessary log entries.
A current copy of the applicable government rules and 
regulations is only required to be on hand for vessels in which 
a radio telephone is compulsory. However, even if you are 
not required to have these on hand it is your responsibility 
to be thoroughly acquainted with all pertinent rules and 
regulations.
RANGE
The range of VHF transmissions depends on antenna height, 
transmitter power and the terrain over which the signals 
pass. For a 5 watt handheld radio like the TX850, ship to 
ship communications up to 5 nautical miles should be 
possible. Using an external antenna should allow ship to ship 
communication of 8 nautical miles or more. Ship to shore 
ranges will often be greater due to the increased height of 
the shore antenna.
