HP 8647A - Frequency and Amplitude; Knob; Digit-Select Arrow Keys

Frequency/Amplitude
Frequency and
Amplitude
1 2
3 4
ireq keys.dm
The knob and reference set keys work similarly for both frequency
and amplitude.
1. Knob
Turn the knobs to increment or decrement the frequency and
amplitude settings. The knobs are always active when the instrument
is in local operation.
2. Digit-Select Arrow
Press these digit-select arrow keys (@ a) to select the digit to be
Keys changed with the knob.
Note
The knobs increment the selected digit only. For information about
incrementing by
an arbitrary value using the increment set keys, see
“Increment Set” in this chapter.
lb-2 Operation Reference