Operator`s manual

Signametrics 44
Description Open all channel relays.
#include “SM4040.H”
int SCANOpenAll
Channels(int iScan)
Remarks This
function opens all channel relays. It does not effect the configuration of the Scanner.
It may be used following one of the scanning operations, to make sure all channels are
left open. Or it can be used any time when it is necessary to open all channels. It is not
operational while in Disabled or Universal configurations
Parameter
Type/Description
iScan
int Identifies the Scanner. Scanners are numbered starting with zero.
R
eturn Value The ret
urn value is one of the following constants.
Value
Meaning
SCAN_OKAY
Operation successfully completed.
Negative Value
Error code
Example int active = SCANOpenAllChannels(0);
SCANOpenPCI
H/W access Command ; Polled Command 
Description Open the PCI bus for the specified Scanner. Not for user application.
int SCANOpenPCI(int nScan)
Remarks This
function is limited for servicing the Scanner. It has no use in normal operation.. See
also SCANClosePCI() function.
Parameter
Type/Description
nScan
int Identifies the Scanner number.
R
eturn Value Integer error code.
Value
Meaning
SCAN_OKAY
Operation successfully completed.
Negative Value
Error code
Example int status = SCANOpenPCI(0);
SCANReady
H/W access Command ; Polled Command 
Description Return the ready state of the Scanner following a polled operation.
#include “SM4040.H”
int SCANReady(int iScan)