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Summary of Contents for TTI TX-446
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Page 1: Instruction Manual
Instruction Manual Tech Private Mobile Radio (PMR)446MHz Model: TX-446 TTI TECH CO., LTD. Eundo Bldg, 737-19, Banpo-1dong, Seocho-ku, Seoul, Korea, 137-041 http://www.ttikorea.co.kr... -
Page 2: Table Of Contents
english TABLE OF CONTENTS 1. Introduction Transceiver Details Beep 2. Getting Started Battery Information Installing Battery pack Removing Battery pack Attaching Belt clip Removing Belt clip 3. Basic Operation Switching Power On/Off Adjusting Volume Selecting a Channel Transmitting a Message Receiving a Message 4. -
Page 3: Introduction
english 1. Introduction Transceiver Details 1. Channel Selection Knob 1. Channel Selection Knob This knob is used to select a channel. 2. Power/Volume Knob 2. Power/Volume Knob This knob is used to turn the radio on or off, and to increase or decrease the volume. - Page 4 english Indication LED color "RED" Continuous lighting "GREEN" Continuous lighting "GREEN" "GREEN" flashing flashing RX with CTCSS or DCS code "ORANGE" Continuous lighting matched 4. Microphone 4. Microphone Hold the radio upright and speak to the microphone clearly and slowly. 5.
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Page 5: Beep
english Button Function SHORT/LONG HOLD Monior is Monitor activated on your selected channel To start scanning Scan from a current channel or to quit scanning Wenn scanning, Delete you can temporarily remove a Nuisance an unwanted channel Channel from the scann list To use a repeater function Repeater / or to allow communications... -
Page 6: Getting Started
• If you use a non-TTI supplied charger, the battery might be damaged. • Turn off the radio when charging the battery. -
Page 7: Installing Battery Pack
So, to get an optimum performance of the battery, you should use TTI-supplied charger only. � Installing Battery Pack 1. Put the battery pack onto the bottom of the Radio. 2. Place the battery pack... -
Page 8: Attaching Belt Clip
english Attaching Belt Clip 1. Align the mounting rail of the radio with the groove of belt clip and slide the belt clip downwards until it sounds ‘click.‘ release tab � Removing Belt Clip 1. Press down the release tab. 2. -
Page 9: Basic Operation
english 3. Basic Operation Switching Power On/Off • To turn on the radio, turn the power/volume knob clock- wise. You will be able to see a green and red light on the LED cap with a beep. After the beep, the red light goes off. -
Page 10: Transmitting A Message
english Note: Please, check if your radio is programmed with the channel selection function. For more details, you may ask your dealer. Transmitting a Message 1. Turn on the radio. 2. Select a channel. 3. Press and hold down the PTT button, and speak clearly to the microphone from a distance of around 2.5~5cm. -
Page 11: Setting Squelch Level
english Setting Squelch Level The Squelch function plays a role in controlling the amount of signals the radio receive. Setting the radio to the tight squelch level, you can avoid unwanted signal or noise, but you may not receive a weak signal. So, it will be better for you to select the Normal Squelch level. -
Page 12: Scan
english Scan This feature allows you to monitor all the channels automati- cally for valid signals. Your dealer can program more than 16 channels on the scan list. Scan operation By pressing a side button in which the scan function is programmed, you can operate the scan function. -
Page 13: Bclo (Busy Channel Lock Out)
This feature can be switched on and off by pc programming process. Priority Function This function allows the radio to assign more time to monitor the priority channel while scanning. Your dealer can program the priority function by using the TTI software. PRIORITY FUNCTION SCAN SEQUENCE ch4 ..ch1 Inactivity... -
Page 14: Specification
english 5. Specification Product Specification • General Frequency: 446.00625 - 446.09375 MHz Number of Channels: 16 Channels Power Supply: 7.5V DC Antenna Impedance: 50 Ohms PLL Step: 5kHz, 6.25kHz Operating Temperature Range: - 30°C to +60°C (EIA) -25°C to +55°C (ETS) Dimensions With Standard NiMH Battery: H (132mm) X W (56mm) X D (36mm) -
Page 15: Ce Declaration
english • Receiver Sensitivity @ 12dB SINAD (EIA) : 0.25uV typ. @ 20dB SINAD (ETS) : 0.60uV typ. Adjacent Channel Selection : - 60dB @ 12.5kHz Intermodulation : 70dB (EIA), 65dB (ETS) Spurious Rejection : 70dB (EIA) Hum and Noise : - 45 dB @ 12.5kHz Rated Audio Output : 400mW typ.