HP 8167A, Руководство пользователя, Страница: 99 / 262

5
Description The query returns the frequency dierence in Hertz.
Example OUTPUT 724;":WAVE:FREQ 11E9"
OUTPUT 724;":WAVE:FREQ?"
ENTER 724;A$
:ST A Tus Commands
Each node of the status circuitry has ve registers:
A condition register (CONDition), which contains the current status .This
register is updated continuously . It is not changed by having its contents read.
A positive transition register (PTRansition), which, when enabled, puts a 1
into the event register , when the corresponding bit in the condition register
goes from 0 to 1.
The power-up condition for this register is for all the bits to be disabled.
A negative transition register (NTRansition), which, when enabled, puts a 1
into the event register , when the corresponding bit in the condition register
goes from 1 to 0.
The power-up condition for this register is for all the bits to be disabled.
The event register (EVENt), which contains the output from the transition
registers . The contents of this register are cleared when it is read.
The enable register (ENABle), which enables changes in the event register to
aect the Status Byte .
The status registers for the tunable laser source are organized as shown:
Remote Commands 5-29