1: Introduction ........................................................................................................................................................................... 12

How to use the Online Help: Overview .................................................................................................................................. 12

How to display and use the Online Help ................................................................................................................................ 13

How to find a online help topic ............................................................................................................................................... 14

How to print a online help topic ............................................................................................................................................. 15

Available documentation ....................................................................................................................................................... 16

2: Description of the system ...................................................................................................................................................... 17

Description of the system: Overview ..................................................................................................................................... 17

General Information .............................................................................................................................................................. 18

GNSS Reference Station Components.................................................................................................................................. 19

Minimum setup components.................................................................................................................................................. 20

Main components .................................................................................................................................................................. 21

Unpacking the instrument ...................................................................................................................................................... 22

Instrument Components: GR/GM10 ...................................................................................................................................... 23

Instrument Components GR25 .............................................................................................................................................. 24

Operation .............................................................................................................................................................................. 25

Software: Overview ............................................................................................................................................................... 27

Power Supply ........................................................................................................................................................................ 29

3: Installation ............................................................................................................................................................................ 31

Installation: Overview ............................................................................................................................................................ 31

Before Installation ................................................................................................................................................................. 32

Installation Options ................................................................................................................................................................ 33

4: User Interface ....................................................................................................................................................................... 37

User Interface - Overview ...................................................................................................................................................... 37

LED Indicators on GR/GM10 ................................................................................................................................................. 38

Keyboard GR/GM10 .............................................................................................................................................................. 40

USB and SD Card Cover GR/GM10 ...................................................................................................................................... 43

LED Indicators on GR25 ....................................................................................................................................................... 44

Keyboard: GR25 ................................................................................................................................................................... 47

Display: GR25 ....................................................................................................................................................................... 48

USB and SD Card Cover: GR25 ........................................................................................................................................... 53

Web Interface: Login ............................................................................................................................................................. 54

Web interface: User Interface ................................................................................................................................................ 55

5: Getting started ...................................................................................................................................................................... 65

Operation: Overview ............................................................................................................................................................. 65

Network technology and protocol overview ........................................................................................................................... 66

Basic setup step-by-step ....................................................................................................................................................... 67

Setup via Web Interface over Ethernet and DHCP ................................................................................................................ 68

Setup in a non-DHCP network .............................................................................................................................................. 69

GR25 setup in a non-DHCP network using screen and buttons ............................................................................................. 71

Install USB drivers ................................................................................................................................................................. 72

Install USB drivers for Windows XP operating systems ......................................................................................................... 73

Install USB drivers for Windows Vista operating systems ...................................................................................................... 75

Install USB drivers for Windows 7 operating systems ............................................................................................................ 77

Setup via Web Interface over USB ........................................................................................................................................ 79

Troubleshooting: Installing USB drivers ................................................................................................................................. 80

Setup via Web Interface over Bluetooth ................................................................................................................................ 81

Setup via Web interface over WLAN (GR25) ......................................................................................................................... 82

Batteries Operating Principles ............................................................................................................................................... 83