Specifications

13
Command
Return
SSTART
! CR LF
Function:
This command initializes the serial connection between the PC and the SSP-4.
SSTART causes the SSP-4 program to enter into the main serial loop which
checks for additional inputs along the serial interface. A successful return from
this command (!) is required before the SSP-4 will accept any other user
commands.
Warning:
If “!” is not returned repeat SSTART. There is a possibility that the command
will timeout. The INTG setting for the instrument must be PC for serial control to
be enabled.
Table 4-1. Enter SSP-4 Serial Mode Command.
Command
Return
SGAINx
none
Function:
This command sets the gain of the voltage-to-frequency converter. The value of x
is either 1 for a gain of 100X, 2 for 10X or 3 for 1X gain.
Warning:
No values for x other than 1, 2 or 3 are acceptable.
Table 4-2. Set Gain Command.