User guide

Page 31
Resting ECG 4
AT-101 User Guide Memory (option) 4.5
Art.-no.: 2.510526 Rev.: c
4.5.1 Transmitting the Recordings
The contents of the memory can be transmitted to the SEMA-200 data management
program (or similar), using the:
• RS-232 connected directly to the computer
• over the telephone system with an external modem
• over the telephone system with SCM
• over network (Ethernet) with SCM.
When Transmit is selected, the message ‘TRANSMITTING‘ appears in the message
box, during the transmission.
Line Transmission To transmit recordings over line, proceed as follows:
1. Set Communication mode to LINE - see page 42
2. Connect the cable assembly (optional accessory, art. No. 2.310159) between the
RS-232 connector on the AT-101 plus and the COM interface of the Computer.
3. Ensure that the SEMA communication program (SEMACOMM) is active on the
computer (see SEMA handbook).
4. Press the TRANSMIT softkey.
Modem Transmission To transmit recordings over the telephone network, proceed as follows:
1. Set Communication mode to MODEM - see page 42
2. Enter Phone number and modem initialisation codes - see page 42
3. Connect the modem cable assembly (supplied with modem) between the RS-232
connector on the AT-101 and the modem.
4. Ensure that the SEMA communication program (SEMACOMM) is active on the
remote computer (see SEMA handbook).
5. Press the TRANSMIT softkey
The message TRANSMITTING appears while the unit is sending
he message TRANSMITTING appears while the unit is sending
If a transmission error occurs the message Tx ERROR is displayed.
« Check all settings in the SEMACOMM program
– baud rate
– parity - none
–stop bit - 2
– time between blocks, records - 100ms
« Check that the transmission speed is the same in both the AT-101 and the SE-
MACOMM program.
V When non-medical devices are connected to the interface ensure that both units
are securely connected to the same earth potential.
V When operating the unit on battery and simultaneously using non-medical de-
vices, the interface must be fully isolated.
V An external device must only be connected using the original interface cable as-
sembly.