ACR Electronics 2897 Manual De Usuario
Y1-03-0228 Rev. B
13
8.3
Specifications
406 MHz Transmitter
Frequency
406 MHz
Output Power
5 watts
Frequency Stability
±2 parts per billion/100ms
Digital Message:
Format
Long message/ Serialized
1*
Message protocol
Standard Location
Duration
520 ms
Rate
400 bps
Encoding
Biphase L
Modulation
±1.1 radians peak
1*
Beacons are shipped from ACR with a Serialized code but can be reprogrammed at a service center to
other coded formats including nationality of registration.
121.5 MHz Transmitter
Frequency:
121.5 MHz
Frequency Tolerance
±50 ppm
Output Power
50 mW PEP
Morse
Code “P” ID
Every 50 seconds (approximately) (U.S. Protocol)
Modulation
Type
AM (3K20A3N)
Sweep Range
400 to 1200 Hz
Sweep Rate
3 Hz
Duty Cycle
37.5%
Morse P
AM (2K00A2A) (U.S. Protocol)
Antenna
Frequency
406 & 121.500 MHz
Polarization
Vertical
VSWR
Less than 1.5/1
General/Environmental
Minimum Battery Operating Life
+24 hours minimum @ -20°C to +55°C (-4°F to +131°F)
Battery Replacement Interval
5 years, after use in an emergency, or expired battery witness seal
*Batteries meet the UN Classification for Non-dangerous goods
Size of beacon less Antenna
Size of beacon less Antenna
1.25 x 5.81 x 2.31 in (3.71 x 14.75 x 5.8 cm)
Material
High impact and UV resistant plastic
Color
ACR-
treuse™ (High Visibility Yellow)
Weight
9.8 oz (277 grams) w/o holster
Waterproof
Factory Tested to 3.28 ft (1 m) for 1 hour and to 32.8 ft (10 m) for
10 minutes, both at room temperature
10 minutes, both at room temperature
Buoyancy
The beacon will not float without ACR pouch, included with the
ResQFix™ and not sold separately.
ResQFix™ and not sold separately.
Temperature Range
Operating
Operating
-20°C to +55°C (-4°F to +131°F)
Storage:
-40°C to +70°C (-40°F to +158°F)