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External Radio Operation Manual

(30W)

DDTHPB Series External Radio

Content

Product Introduction

Introduction of this chapter:

Introduction

Product Feature

Safety Regulations

The Product Model and Specifications Definition

Open the box to inspection

Introduction

DDTHPB series external radio is a almost perfect and professional RTK radio, the design of DDTHPB Radio which takes full consideration of GNSS RTK requirement for field work.

Product Feature

Protective Buffer Device

The RTK field surveying always move around, operators may temporarily place the unit on the ground, the equipment may also slipped from the hands of the operator. Drop the machine at any angle, the protective buffer devices can reduce the harm to the machine.

Protection to Power Reverse Connect

The thorough power supply protection system will escape the h arm to device when you get a reverse connect

116 Channels

100 fixed frequency channels and 16 programmable frequency channels, which are more suitable for project site requirement, because there’s radio interference in the air everywhere, more than 100 fixed frequency channels are available, so it is not necessary for

4 Optional Transmitting Power (5W/10W/20/30W

adjustable)

You can setup the transmitting power through the panel （5W/10W/20/30W）, choose low transmitting power within short working distance, and choose high transmitting power in long working distance.

Reliable and Stable Data Transmission

Equiped with advanced technologies to reduce the transmission error rate significantly and improve data link stability.

Display of Power

Display channel number and the power at the same time. Operator can know whether the the channel is available and decide which channel should be used. Use the available channel will be helpful to improve the stability of data transmission and extend the RTK working distance.

Safety Regulations

1. It can create and transmit electromagnetic energy when you use the radio, for safety，please refer to the safety rules before use.

warning :Long time of radiation will do harm to people’s health, and when the radio is transmit the data, wireless radio energy near antenna is too strong, in order to reduce the harm to people, we advise 2 meters beyond from the antenna.

2. Electric spark will lead to an explosion or fire，please don’t use the equipment in any potential explosion atmospheric environment or occasion.
3. Please pay attention: In any place marked notice as “Please close the wireless communications devices” please follow it to avoid electromagnetic interference and the problems caused by the electromagnetic compatibility. Such as hospital, and other health-care facilities, gas station or airport etc., If you use those equipment around these place, it is possible to interfere equipment, and it will be not working or dangerous, please use the radio under the instruction.

The Product Model and Specifications Definition

According to different requirement of different user, DDTHPB series wireless data radio is including DDTHPB-46005 series transmit external radio and DDTHPB-46005D transceiver external radio two different functional products

Radio Introduction

Radio Introduction

Introduction of this chapter

Appearance Structure Introduction

Radiator

Clasp

Display and Operation Panel

Protective Cover

Antenna Port

Serial Port

Power Port

Appearance Structure Introduction

1 Radiator 2 Clasp 3 Display and operation panel 4 Protective cover 5 Antenna port 6 Serial data port 7 power port

① ② ③ ④ ⑤ ⑥ ⑦

④

Serial Port

You can communicate with other device through this serial port （E.g. base station） and offer power supply to other device （E.g. base station）.

Interface type：Asynchrono us serial communication RS

standard Plug specification：LEMO EGA.0B. Pin 1------ Ground connection； Pin 2 ------ Ground connection； Pin 3 ------ Help power output； Pin 4 ------ RXD data cable； Pin 5 ------ TXD data cable.

Power Port

Offering power supply by this port

Plug specification：LEMO EGG 1B 302 Pin 1------ External power supply positive pole；

Pin 2 ------ External power supply negative pole

Power supply

Power Supply for Other Device

Low Battery Voltage and Automatically Shut Down

1.D1 Field intensity/ power supply voltage indicator D

2. D2 Double figure nixietube display D
3. D3 Transceiver indicator light D
4. D4 Power supply/ alarm indicator light D
5. Button K5（Power button）
6. Button K4 （Channel increasing button）
7. Button K3 （Channel decreasing button）
8. Button K2 （Power supply capacity checking button）
9. Button K1 （Function button）
10. Indicated light D

Introduction of Keys and Indicators

Field Intensity / Power Voltage Indicator D

D1 is 4 level light beam displayer, used to display field intensity or the power supply voltage.

Display of Double Digits Nixietube D

Display working channel, power supply voltage or saving electricity interval time

Display of Working Channel 0-99 is fixed frequency channel (100 Channels), the users can not change these frequency, the transmit and receive frequency is the same, details please refer to the frequency list in attachment one( fixed frequency channels list)

A0-AF are 16 frequency programmable channels, user can setup transmit and receive frequency within the permission working frequency. You can setup different frequency for transmit and receive frequency, for details setting, please refer to “Frequency program and readout” section. Display of Power supply voltage b.0 means L1 0 level，power supply voltage is less than 11.6V； b.1 means L1 1 level，power supply voltage is 11.6V--12.0V； b.2 means L1 2 level，power supply voltage is 12.0V--12.5V； b.3 means L1 3 level，power supply voltage is 12.5V--13.0V； b.4 means L1 4 level，power supply voltage is 13.0V--13.5V； b.5 means L1 5 level，power supply voltage is 13.5V— 1 4.0V；

b.6 means L1 6 level，power supply voltage is 14.0V—14.5V； b.7 means L1 7 level，power supply voltage is 14.5V—15.0V；

Close Display of Delay Time When the GNSS RTK work together with external radio, To reduce battery consumption，if there’s no operation for external radio button in a certain time, the radio will turn off field intensity/power supply voltage indicator D1 and double tube nixietube display D automatically.D1 and D2 will redisplay when you press the button again

Transceiver Indicator Light D

Used to indicate receiving and transmitting working situation. Red light on means the equipment is transmitting data, blue lig ht on means the equipment is receiving data.

Power Supply/Alarm Indicator Light D

Used to indicate power supply and working situation Red light on: the power supply is connecting, and entering int o working condition. Red light flashes rapidly（near 3 times per second）: equipmen t enters into parameter setting mode