Maintenance; General; Replacement Parts - Standard Horizon Hx500s Owner's Manual

11. MAINTENANCE

11.1 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.
• Keep the microphone connected or the jack covered at all times to pre-
vent corrosion of electrical contacts;
• Never key the transmitter unless an antenna or suitable dummy load is
connected to the antenna receptacle.
• Ensure that the input voltage does not exceed the value specified in your
Owner's Manual.
• Use only STANDARD HORIZON-approved accessories and replacement
parts.

11.2 REPLACEMENT PARTS

Occasionally an owner needs a replacement parts. 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.
• VOLUME Knob: RA0778300
• MIC/SP Cover: RA0768200
• Belt Clip: AAE04X001
• CMP460 Microphone cable: S8101022
HX500S Page 29