ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ELT 345 (P/N: A3-06-2880)
Page 21 of 58
25-62-35
SUBTASK 25-62-35-870-004
D.
ELT Reset
1)
If the ELT is inadvertently activated (for indications, see 4) above), reset it by moving either the cockpit remote
switch or the local ELT switch to the “ON” position, and then move it back to the “ARM” position. If the switch
is already in the “ON” position, move it to the “ARM” position.
SUBTASK 25-62-35-870-005
E.
Functional Check
1)
A monthly functional check is recommended to verify operational status of the ELT. Perform in accordance with
SUBTASK 25-62-35-750-009 on page 30.
TASK 25-62-35-870-803
3.
Specifications
SUBTASK 25-62-35-870-001
A.
Environmental and Physical
1)
Table 2 lists the environmental and physical specifications of the ELT 345.
CRITERIA
PARAMETER
CHARACTERISTIC
Temperature
Storage
-55°C to +85°C
Operating
-20°C to +55°C
Mechanical
Vibration
10
g
, 5 Hz to 2,000 Hz
Shock
500
g
for 4 ms
Crashworthiness
100
g
for 23 ms
Humidity
95% for 50 hours
Penetration
55 lbs from 6 in (25 kg from 15 cm)
Crush
1,000 lbs (454 kg)
Altitude
+55,000 ft (16,764 m)
Automatic Activation
Primary G-switch
4.5 ± 0.5 ft/sec (2.3 G)
Manual Activation
Unit or remote switch
Weight
ELT complete w/Battery Pack, and
Mounting Tray
2.00 lbs (0.9 kg)
Dimension (L x W x H)
ELT Complete w/Battery Pack, and
Mounting Tray
6.40” x 3.78” x 2.96”
(163 x 96 x 75 mm)
Software/Firmware
In accordance with RTCA/DO-178B, Level D
Table 2 Environmental Specifications