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GPSMAP 188/188C/238 Sounder
Standard and Optional Transducers
Unit part numbers 010-00268-01, 010-00239-02, 010-
00239-03, and 010-00250-11 include a 200/50kHz, 10/40
degree, plastic, depth and temp, transom mount transducer.
For a complete list of optional transducers, see page 96.
For the most recent list of available accessories for
your GPS unit, current user manuals and software
updates, visit our web site at www.garmin.com.
vi
Packing List
Introduction
Before installing and getting started with your unit, please check to see that your package includes
the following items. If any parts are missing, please contact your Garmin dealer immediately.
Standard Package:
• GPSMAP 188/188C/238 Sounder Unit
• GA 29 External Antenna and 30’ cable
• Gimbal Mount and Knobs
• Power/Data Cable
• Owner’s Manual
• Quick Reference Card
• Protective Cover
Optional Accessories:
• US A/C PC Adapter
• EURO A/C PC Adapter
• Cigarette Lighter Adapter
• BlueChart Marine Data Cards, MapSource CDs, USB Data Card Programmer and Data Cards
• USB Data Card Programmer
• GBR21 Beacon Receiver for differential corrections; GA 22 H-Field Antenna
• 2nd Mounting Station
• Marine Swivel Mount, 1” RAM
®
Mount (GPSMAP 188 with external antenna only)
188188C238 Manual Intro.indd vi 6/30/2003, 3:26:30 PM