LWX $%QXlXl% (Sequence Filenaming)

displays the current value of the loop counter and allows you to change the value of the loop counter. Enter any number from 0 to 32767 and terminate with the (x1) key. The default value of the counter is zero. This command should be placed in a sequence that is separate from the measurement sequence. For this reason: the measurement sequence containing a loop decision command must call itself in order to function. The LAX@ %Zm command must be in a separate sequence or the counter value would always be reset to the initial value.

inserts the string “[LOOP]” into the filename.

accepts a power loss value for a segment in the power meter cal power loss list. This value, for example, could be the difference (in dB) between the coupled arm and through arm of a directional coupler.

presents the power loss/sensor lists menu. This menu performs two functions:

w Corrects coupled-arm power loss when a directional coupler is used to sample the RF output.

nAllows calibration factor data to be entered for one or two power sensors.

Each function provides up to 12 separate frequency points, called segments, at which the user may enter a different power loss or calibration factor. The instrument interpolates between the selected points. Two power sensor lists are provided because no single power sensor can cover the frequency range possible with an HP 8753E.

(Option 010 only) sets the transform to low pass impulse mode, which simulates the time domain response to an impulse input.

(Option 010 only) sets the transform to low pass step mode, which simulates the time domain response to a step input.

sets the lower limit value for the start of the segment in a limit line list. If an upper limit is specified, a lower limit must also be defined. If no lower limit is required for a particular measurement, force the lower limit value out of range (for example -500 dR).

mega/micro (lo6 / 1W)

waits for a manual trigger for each point. Subsequent pressing of this softkey triggers each measurement. The annotation “man” will appear at the left side of the display when the instrument is waiting for the trigger to occur. This feature

is useful in a test sequence when an external device or instrument requires changes at each point.

B-24 Key Definitions