SYSTem:LOCK:RELease

From Keysight 34970A/34972A

SYSTem:LOCK:RELease

This functionality is available on the 34972A only.

Syntax

SYSTem:LOCK:RELease

Description

This command decrements the lock count by one and releases the instrument lock.

Remarks

  • When a lock is active, Bit 10 in the Standard Operation Register will be set (see STATus:OPERation:CONDition? command). When the lock is released, this bit is cleared.

Examples

The following command decreases the lock count by one.

SYST:LOCK:REL

The following series of commands illustrates usage.

Initial State = unlocked, Count = 0

<FROM USB>   SYST:LOCK:REQ?     returns +1 (request successful)

State = locked, Count = 1

<FROM LAN>  SYST:LOCK:REQ?     returns +0 because USB has lock

State = locked, Count = 1

<FROM USB>   SYST:LOCK:REQ?     returns +1 (request successful)

State = locked, Count = 2

<FROM USB>   SYST:LOCK:REL

State = locked, Count = 1

<FROM USB>  SYST:LOCK:REL

State = unlocked, Count = 0

Note that for each successful lock request, a lock release is required. Two requests require two releases.

See Also

SYSTem:LOCK:NAME?

SYSTem:LOCK:OWNer?

SYSTem:LOCK:REQuest?