Ameri-King АК-451-Series User Manual

Page 5

PHYSICAL CHARACTERISTICS:

• SIZE AND WEIGHT:

Main Unit:

(4.27”Wx2.95”Hx5.64”L) 1lbs 14oz

Remote Unit:

(1.58”W x 0.65”H x 2.00”L) 1.0 oz

Transport Blade type, 451 017-3: 600 Knots airspeed, 1.4 lbs

Business Rod type, 451 017-2:

350 Knots airspeed, 0.5 lb

General Aviation whip type,

451 017-1:

250 Knots airspeed, 0.25 lb

Portable Antenna, 451 017-4:

(17”L) 4.0 oz

Mounting Tray & Velcro holder: (4.51”W x 0.75”H x 5.87”L) 4.0 oz

• MOUNTING HOLE SPACING:

Mounting Tray:

4 Trapezoid Corners (L1=2.76”; L2=1.76”; H=2.01”)

Remote Unit:

4 Rectangular Corners (1.825”W x 0.490”H)

Fixed Antenna:

7 / 5 / 1 Holes (0.500” Diameter) for Blade / Rod / Whip
respectively

• CASE AND COLOR:

No Sharp Edges, High Impact, Flame Retorted, Fire Resistant, Waterproof, High,
Temperature ABS Plastic. Safety International Orange Color.

• GENERAL SPECIFICATIONS (STANDARD CONDITIONS):

•

TRANSMITTER:

Operating Frequencies:

406.028 MHz ± 0.001 MHz

121.500 MHz ± 0.0025 %

243.000 MHz ± 0.0025 %

Short term stability ≤ 2 x 10

−

/100ms

Medium slope -1 to +1x10

−

/min

Medium Residual variant ≤ 3 x 10

−

Modulation
Characteristics: Audio

Sweep Frequency: Download

Sweeping:

(1600-300)

Sweep Rate:

3 Hz ± 1 Hz

Modulation Factor:

More than 0.85

Occupied Bandwidth:

Less than 25 Hz

Voice

Modulation:

Included

Modulation Duty Cycle:

(33-55) % Square Wave AM Continuous

Peak Effective Radiated50mW @ 121.5 MHz

RF Power (PERP):

50mW @ 125/243.0 MHz

5W @ 406.028 MHz

Equivalent

Isotropic

100mW (-10dBW) @121.5/243.0 MHz

(min)

Radiated Power (EIRP):

6dBW ± 4dB @406.028 MHz (max)

•

BATTERY REQUIREMENTS:

Transmitter Main Unit: Battery Pack consists of 4 cells LiMnO

or LiSO

“D” Size

Remote Unit:

DURACELL DL 1/3 NB, Lithium Cell

•

AUTOMATIC CRASH ACTIVATION:
Velocity Change of 2.3 ± 0.3 G (4.5 ± 0.5 FPS) per TSO C-126 (DO-
204A) and ETSO-2C126 (EUROCAE ED-62) requirement.

•

ANTENNA RADIATION CHARACTERISTICS:

Radiation on 121.5, 243.0 MHz, and 406.028 MHz

Vertically polarized & Omni directional in the Horizontal Plane.

•

CRASHWORTHINESS:

100g, 23 ms, 6 directions

•

ACTIVATION MONITOR:

Manual ON and RESET functions are located on both ELT Main Unit and Remote
Unit. The two Green ON lights flashing, located on the ELT Main Unit and Remote
Switch Unit and a buzzer are to indicate when the ELT is transmitting. Both ELT
Main Unit and Remote Unit are self-powered by their internal batteries. Automatic
activation is remained, regardless whether the Cable Interconnect between the Main
Unit and the Remote Unit is open or shortened.

GPS INTERFACE PROTOCOL:

Aviation RS-232

(Latitude/ Longititude Insert Messages)

Baud Rate (fixed): 9600

Parity:

None

Data

Bits: 8

Stop Bits:

Garmin International Inc.:

• All Series: 150/ 250/ 400/420/430/ 500/520/530

Honeywell Bendix-King Inc.:

• KLN 88, KLN89, KLN89B, KLN 90, KLN90B, KLN94, KLN900.