III
Table of Contents
Chapter 1 Safety Guide ................................................................................................................. 1
1.1 Intended Use/Indications for Use ........................................................................................ 1
1.2 Safety Precautions ............................................................................................................... 1
1.3 Symbols ............................................................................................................................... 4
Chapter 2 Introduction .................................................................................................................. 6
2.1 Main Unit ............................................................................................................................ 6
2.2 Probes .................................................................................................................................. 8
2.3 Control Keys ....................................................................................................................... 9
2.4 Indicators ........................................................................................................................... 10
2.5 LCD ................................................................................................................................... 11
Chapter 3 Basic Operation .......................................................................................................... 13
3.1 Opening Package and Checking........................................................................................ 13
3.2 Using Batteries .................................................................................................................. 13
3.2.1 Fitting Main Unit Battery ........................................................................................ 13
3.2.2 Fitting Wireless Probe Battery ................................................................................ 15
3.2.3 Charging Main Unit Battery.................................................................................... 16
3.2.4 Charging Wireless Probe Battery ............................................................................ 16
3.2.5 Care of Batteries ...................................................................................................... 17
3.3 Connecting the Power Cable ............................................................................................. 17
3.4 Using Wired Probe ............................................................................................................ 17
3.4.1 Probe Socket ........................................................................................................... 17
3.4.2 Connecting and Disconnecting a Wired Probe ....................................................... 18
3.5 Switching On ..................................................................................................................... 18
3.6 Switching Off .................................................................................................................... 19
3.7 Using Earphone ................................................................................................................. 20
3.8 Changing Doppler Settings ............................................................................................... 20
3.8.1 Switching Backlight On and Off ............................................................................. 20
3.8.2 Switching Key Sound On and Off .......................................................................... 20
3.8.3 Setting Auto-Shut-Off Time ................................................................................... 21
3.8.4 Choosing Language ................................................................................................. 21
3.8.5 Setting Date and Time ............................................................................................. 21
3.8.6 Setting Date Format ................................................................................................ 21
3.9 Replacing Fuses ................................................................................................................ 22
Chapter 4 FHR Examining ......................................................................................................... 23
Chapter 5 Recording and Playing .............................................................................................. 25
Chapter 6 Maintenance and Cleaning ....................................................................................... 26