Recording Test; V24 Tests - GE MAC 1200 Servicing Instructions

GE Medical Systems MAC 1200 V 1.2 Page 35
Information Technologies 227 492 21 RevF
5 -reserved
6 -reserved
7 -reserved
8 ROMB - ROM error (checksum) in the FLASH
9 -notused
10 -not used
3.8 Recording test
The recording test is activated by pressing the "5" key.
A window with 2 channels is displayed.
- speed select key: selects the speed
- start/stop key: starts and stops a real time 2 channel recording
The selected speed and sensitivity is displayed.
Terminate with any key.
3.9 V24 tests
Several possibilities are available to test the serial interface. Moreover, on the one hand, the
signal transmission and receiving of the interface can be tested by an internal feedback from
TXD and RXD and, on the other hand, the signal transmission and receiving with a remote
station.
For the test with a remote station, the connection cable from MAC1200 to PC,
PN 223 362 03 is required. in addition, the following transmission protocol should be adjusted
at the remote station:
1 start bit, 8 data bits, no parity
1 stop bit
Baud rate 19200
Pressing the "6" key calls up the following menu:
Interface test
1= Sending and receiving
2= Send test string to device
3= Send/Receive with device
A=Abort (terminate interface test)