BNC 1105 Universal Counter User Manual

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counter has been turned off or upon the transition of the measurement cycle

from measuring to idle.

*OPC?

A response is generated when the counter is placed in an idle state from a

measuring state. This allows synchronization between a controller and the

instrument using the MAV bit in the Status Byte Register or a read of the Output

Queue.

Since this query will not respond until the measurement cycle transition from

measuring to idle, the only way to cancel the query “holdoff” is by Device Clear

or power-on.

Return

A single ASCII-encoded byte, 1.

Note

This query does not affect the OPC bit in the Standard Event Status Register.

*OPT?

Queries the instrument to identify any installed options.

High stability oven oscillator, 1105-opt01

300MHz-20GHz Input Channel, 1105-opt02
Limit output Option(DB9), 1105-opt03
Rear panel input module, 1105-opt04
GPIB Card, M3500-opt05

*RCL

Restores the state of the counter from a copy stored in local non-volatile memory. Before

the recall takes place, the current state of the instrument is automatically saved to

Note

This command does not affect the following commands or statuses:

*ESE

*OPC

*OPC?

*SRE