16
4
Description of the Transmitter
4.1
Construction
The cover has to be opened to access the command panel.
RS232 interface
state indicator
"charge state"
state indicator
"power supply"
2 x 16-digit LCD display,
backlift
keyboard
Fig. 4.1: Command panel of UDM 300
Fig. 4.2: Connections of UDM 300
output
transducer
power supply unit/
battery charging unit