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HX750SPage 36
9. MAINTENANCE
9.1 GENERAL
The inherent quality of the solid-state components in STANDARD HORIZON
radios will provide many years of continuous use. Take the following precau-
tions to prevent damage to the radio.
y To prevent corrosion of electrical contacts and keep the water resistance,
keep the microphone connected or the jack covered at all times.
y Never key the transmitter unless an antenna or suitable dummy load is
connected to the antenna receptacle.
y Ensure that the input voltage does not exceed the value specified in your
Owner’s Manual.
y Use only STANDARD HORIZON-approved accessories and replacement
parts.
9.2 REPLACEMENT PARTS
Occasionally an owner needs a replacement part. These can be ordered from
our Parts Department by writing or calling:
Marine Division of Vertex Standard
US Headquarters
10900 Walker Street, Cypress, CA 90630, U.S.A.
Telephone (714) 827-7600
Commonly requested parts, and their part numbers are listed below.
y CD-39 Charger Cradle: AAF94X001
y CAT460 Antenna: Q3000176
y CLIP-19 Belt Clip: CP9196001
y MIC/SP Cap: RA0577900
y MIC/SP Cap O-Ring: RA046760A
y MIC/SP Rubber: RA1030500