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General| Brand | HR Smith |
|---|---|
| Model | Techtest 503 Series |
| Category | Transmitter |
| Language | English |
Details the ELT 503-1, its features, operational frequencies, and battery lifespan.
Explains the G-Switch role in triggering ELT transmission based on G-force impacts.
Covers the remote controller for testing, resetting, and managing ELT activation.
Describes fixed and fixed/portable mounting trays for ELT and G-Switch installation.
Discusses the interface unit used to pass onboard GPS positional data to the ELT.
Explains the water activated switch for automatic ELT activation upon immersion.
Describes the three-frequency antenna and the portable antenna for the ELT.
Allows disabling G-Switch activation via a separate switch for controlled operation.
Details connecting Pins 10, 11, or 12 to ground to enable the inhibit function.
Recommends periodic inspection of the ELT system components for damage.
Specifies recommended battery replacement intervals for ELT and G-Switch units.
Outlines steps for diagnosing and resolving failures in ELT, G-Switch, and controllers.
Explains using diagnose mode to identify system failures after self-test.
Provides an overview of the G-Switch battery pack's functionality and capacity.
Details methods for testing the battery pack's condition under load for performance.
