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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.

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