- 18 -
5.5 POWER SUPPLY
The device is supplied with power via an AC/DC switching power supply or the internal battery. The
device can also be provided with an external power supply using the AKKUPACK uni. Ask your spe-
cialist dealer about this.
5.6 PCB CONTROLLER (CONTROL- AND OPERATING UNIT)
The controller PCB is the main structural element of the device. It contains the controllers for opera-
tion and controls, the sensors (pressure/temperature), components for measuring voltage and cur-
rent, for acoustic and visual alarms and the generation of supply voltage.
5.7 OPERATING UNIT / DISPLAY
The operating unit is made of float glass and is 202 x 110 mm in size. The material is approx. 3 mm
thick. All elements are described in Figure 4 on page 9.
The display is 81 x 61 mm in size and has a resolution of 320 x 240 pixels.
5.8 INTERFACES
The device has an USB interface for connection to a PC. This interface enables the PC software
VENTcontrol to be used to communicate with the device and software updates can be carried out.
There is also a connection for the nurse call or a remote alarm box. For the flow sensor calibration,
the device has an RS232 interface.
