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Table of Contents
Summary of Contents for e-survey TRU35
- Page 1 TRU35 User Manual TRU35 Wireless Data Transceiver User Manual_V1.2...
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Page 2: Table Of Contents
Buttons ..............................7 Channel Display ............................ 7 Connection Port ............................8 Definition of 5-Pin ..........................8 Configuration ..............................9 Connect TRU35 ............................. 9 Parameter Setting..........................10 Channel Detect ........................... 10 Equipment Information ........................11 Temperature Control .......................... 11 Radio Control ............................12 Firmware Update.......................... -
Page 3: Introduction
TRU35 User Manual 1. Introduction TRU35 is a high-power, small-size, half-duplex digital radio model which is designed using advanced 32-bit cortex M4 microcontroller technology, wireless transceiver RF technology, and digital communication technology. It uses high-quality RF components, excellent EMC and EMI processing. -
Page 4: Key Features
⚫ Thermal Protection TRU35 can adjust the transmit power adaptively, automatically reduce the power when temperature is too high, and increase the power when temperature decreases. Ensure radio equipment is always in a stable power range and will not be damaged by overheating. -
Page 5: Technical Specifications
TRU35 User Manual 3. Technical Specifications General Specifications Frequency Range 410~470MHz Operating Mode Half-duplex Channel Spacing 12.5KHz/ 25KHz Channels Modulation GMSK/ 4FSK Operating Voltage Nominal voltage 12.5V (10.8~15V) Transmit (High Power) Power Consumption (Typical) Receive 6.5W RF Power Stability ≤±1.0ppm Dimension 165×125×81mm... -
Page 6: Product Interface
TRU35 User Manual 4. Product Interface Figure 4.1 4.1 LED Display There are 5 LED indicators showing current working status. Indicator Color Description Solid green Power on Voltage Low voltage (flash when lower than 11.3V, stop Green Flash 1Hz transmitting when lower than 10.5V) Flash Stop working when temperature is higher than 90℃... -
Page 7: Buttons
TRU35 User Manual Receiving Default Green Flash With receiving data frequency Solid blue With connection Bluetooth Blue Flash Transmitting data No connection 4.2 Buttons User can switch power, channel number and power on/off device with buttons. Buttons Function Switch low/high power... -
Page 8: Connection Port
TRU35 User Manual 5. Connection Port There are two ports on TRU35 for external antenna and power/serial. Figure 5.2 Power/Serial Port Figure 5.1 Radio Antenna Port Port Function Radio antenna TNC, connect to external radio antenna Power/Serial Provide power and connect to 5pin/DB9 serial port 5.1 Definition of 5-Pin... -
Page 9: Configuration
TRU35 User Manual 6. Configuration The configuration software has been integrated into SurPad4.0 data collection software. 6.1 Connect TRU35 ➢ Start SurPad4.0 software, then find Tools -> External Radio Configuration ➢ “Radio type” choose “Geoelectron”, “Connection mode” choose “Bluetooth” ➢ Then click “Search” to search device. You will see radio serial number in the list ➢... -
Page 10: Parameter Setting
TRU35 User Manual 6.2 Parameter Setting In this page, you can set channels frequency, radio protocol, baud rate, relay function and alert for low power level/high temperature. Note: 1. The frequency must be supported by external radio antenna. 2. When relay function is enabled, receiving channel should be same with Base, transmitting channel should be same with Rover. -
Page 11: Equipment Information
TRU35 User Manual 6.4 Equipment Information In this page, you can view device information like current temperature and power level. 6.5 Temperature Control In this page, you can set temperature threshold and power gain. For example, in below picture the first level threshold is set to 60℃, second level threshold is set to 85℃. When the temperature achieves the threshold, it will reduce the transmitting power automatically. -
Page 12: Radio Control
5Hz frequency. After finished, device will restart automatically. 7. Working Mode TRU35 have two kinds of working mode: Working with base station and been used as external radio to transmit correction data; or used as relayed radio to receive correction data, then transmit the data with another frequency.
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