TX3550S INSTRUCTION MANUAL PAGE 5
User Selectable Wide/Narrow Band Filter: To accommodate the blending of 80 channel narrow band radios with
older 40 channel wideband radios.
PRIVACY FUNCTIONS
Voice Inversion Scrambler: When activated, scrambles your voice so that communications are only intelligible to
others using the same scrambler technology.
Inbuilt CTCSS & DCS: User selectable Continuous Tone Coded Squelch System and Digital Coded Squelch system
provides silent operation on individual channels.
In-Built SelCall with Quiet Mode: Provides selective calling of individuals or groups with fully user-adjustable
5-tone transmitted SelCall Ident. Also allows alphanumeric naming of up to 10 Idents for easier caller identification.
PHYSICAL PROPERTIES
Over Voltage Protection: Special overvoltage detection circuitry protects the radio and warns of excessive voltage
conditions by flashing the display.
Rugged Construction: With Die-cast Chassis
USER CONTROLS AND INTERFACE
Full Spectrum Backlighting: User adjustable, totally customisable backlight settings to match the vehicles
dashboard lighting or drivers preference.
High Contrast Liquid Crystal Display: Fully detailed LCD provides a visual indication of the selected channel and
all selected functions at a glance.
Front and Rear Microphone Inputs: Convenient front and rear microphone inputs to facilitate ease of installation
and operation across a range of vehicles.
Digital Signal Strength Meter: Provides a numeric signal strength indication in numbers from 0 to 9+
Full Function LCD Controller Microphone: with rear mounted speaker using ‘Sound Path’™ technology to
channel clear audio towards the user.
A more detailed description of these key functions is included overleaf. These instructions describe the radio functions using the
controller mic.
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