Hioki 7075 - Usable Message Bytes (GP-IB); LOCK (LCL) Key and Indicator (GP-IB)

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8.2 Operations
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8.2.4 Usable Message Bytes (GP-IB)
8.2.5 LOCK (LCL) Key and Indicator (GP-IB)
Message bytes usable by the unit are as follows.
(1) Address command group
GTL ( Go To Local ): Enables local operation of the 7075.
SDC ( Selected Device Clear ): Sets the 7075 to initialized state.
(2) Universal command group
LLO ( Local Lock-Out ): Disables local operation of the 7075.
DCL ( Device Clear ): Sets the 7075 to initialized state.
(1) Status Indicator Display
The LOCK(LCL) key at the front panel lights red to indicate that the unit is
under remote control by an external device.
(2) LOCK (LCL) key
This key cancels remote control by GP-IB and actives local operation.
However, if the Local Lock-Out state has been set by the GP-IB, this key is
disabled.