E-47
Uniden UM725 Radio Owner’s Manual
Battery Voltage Alert
Low 10V/High 17V
GPS (UM725GBT/UM725G Only)
Acquisition Sensitivity CN
40dB (@GPS anechoic box input -103dBm)
Acquisition Time
30sec. (@GPS anechoic box input -103dBm) Limit 90sec.
GPS External Antenna
Connector
3.3V / 20mA MAX
Bluetooth (UM725GBT Only)
Sensitivity (Ber≤10-e5)
-90dBm(BT anechoic box input -60dBm,1 Mbps BLE
IDLE Tx)
Class / Version
BLE / V5.0
REFERENCE TABLES
MARINE RADIO CHANNEL CHART
The table below lists the channel display name and description used in the following
tables and what each description means.
Channel Names
Description
DISTRESS SAFETY
AND CALLING
primarily emergency messages and distress calls
INTERSHIP SAFETY
safety messages from one ship to another, or from a ship to
Coast Guard aircraft
NON-COMMERCIAL
(recreational or
voluntary ships only)
messages about ship needs, including fishing reports,
rendezvous, repair scheduling and berthing information
COMMERCIAL
(working ships only)
messages about ship needs or ship business
PUBLIC
CORRESPONDENCE/
MARINE OPERATOR
calls to the marine operator at a public coast station. Marine
operators can connect to telephone networks. (There is
usually a charge for this service.)
PORT OPERATIONS/
VTS
(ship traffic system)
messages about the movement and safety of ships in or
near ports, locks or waterways. In certain major ports, some
channels may be restricted to specific types of port operations
messages.
NAVIGATIONAL/
BRIDGE TO BRIDGE
messages about ship navigation, for example, passing or
meeting other ships, maneuvering through locks, or navigating
around drawbridges. Messages must be short!
STATE CONTROL
messages about government regulation and control, boating
activities, or assistance to ships; also used to talk to ships and
coastal stations operated by state or local governments
DIGITAL SELECTIVE
CALLING
DSC signals only (no voice communications allowed at any
time)
