User manual

19541P-72 (09-12) 7 of 9
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Table 3: Troubleshooting
Problem
Solution
Gateway will not turn on
Ensure correct interface cable is being used
(Table 2)
Cannot link a belt station
Review
Registration
procedure
Ensure units are within 1 to 3ft (0.3 to 0.9m)
of each other while linking
Try a Smart Purge
Cannot speak over two
-
way radio
PTT not pressed
Two-way radio not installed to system
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• Interface cable assemblies:
David Clark Intercom
Cable Assembly Required
U3800 Vehicular In
tercom System
C99
-
22MS (40935G
-
08)
U9800 Marine Intercom System
C99
-
20CX (40935G
-
07)
U9500 Marine Intercom System
C99
-
20LL (40935G
-
06)
U3400 Portable Intercom System
U3100 Modular Intercom System
C99-20MS (40935G-05)
• Whip Antenna (P/N: 40688G-92)
• Remote Antenna Kit, Mag-Mount (P/N: 40688G-93)
• Remote Antenna Kit, Permanent (P/N: 40688G-96)
• Mounting Bracket Kit (P/N: 41045G-01)
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The U9921-GUV(EU) is not user serviceable. Do not attempt to open the enclosure. If this
product requires service, please contact the David Clark Customer Service department:
• Phone: [phone]
• E-Mail: [e-mail]
• By Mail: Customer Service
David Clark Company
360 Franklin Street
Worcester, MA 01604