Request of COM_NullProc procedure. Creates request for checking the communication.
The instrument returns the following responses:
grc – GeoCOM return code.| Property | Values | 
|---|---|
| Instruments | TPS1100, TPS1200, TM30/TS30, TS16 | 
| ASCII request | %R1Q,0: | 
| ASCII response | %R1P,0,0:<grc> | 
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(request_type), | intent(out) | :: | request | Prepared request. |