The Model TX-91 Supervised 2-Button, 3-Channel Handheld Transmitter is a supervised, digitally coded radio transmitter designed for use with Linear’s SX Format receivers. Pressing a button on the transmitter sends a digitally coded wireless signal to its companion receiver. To send a complete signal, press the transmitter button for a minimum of 2 seconds. The top button can be hidden with the top button cover supplied. The TX-91 is a two-button, three-code transmitter. Pressing the round button on the transmitter’s front sends the first code. Pressing the small button on the transmitter’s top sends the second code. Pressing both buttons at the same time sends the third code. Coding switches are not required or used in the TX-91 transmitter. Each transmitter is pre-coded at the factory to a unique code. With the SX format, there are more than sixteen million codes possible. The TX-91 is supervised for low battery and sends hourly status reports. Some receivers are able to use these signals, others are not. Receivers must be programmed to the transmitter code before system testing and operation. Refer to the receiver’s instructions for details on operation and programming. Each TX-91 is powered by two self-contained type 2032 3-volt lithium batteries (included). When the batteries voltage gets low, a low battery report is sent with any alarm or status report to notify the receiver. The red LED will blink when the transmitter is activated with low batteries. A removable pocket clip and belt clip are provided for each transmitter. Either can be attached to the back of the transmitter allowing the unit to be clipped to shirt pocket or slid onto a belt.
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Instructions