03-TM-0046 Page 3 of 13
SECTION I
INTRODUCTION
1.1. GENERAL.
This manual contains the description, operation,
theory and maintenance procedures for the Underwater Acoustic
Beacon Model ULB-350 Series, hereafter referred in this manual as the
Model ULB-350.
1.1.1. The ULB-350 is a water switch activated underwater locating
device designed for use in marking applications. Housed in a water
tight case, the ULB-350 consists of an electronic module, transducer
and a self contained battery. The ULB-350 operates at depths down
to 4,000 feet (1216 m).
1.1.2. The ULB-350 will operate for a minimum of 20 days under
normal conditions.
FIGURE 1. ULB-350 UNDERWATER ACOUSTIC
BEACON
