Tektronix 2714 User Manual page 103

Operation Summary
USER DEF INPUT
L_J
Table 4-3: The Marker/Frequency (MKR/FREQ) Menu
Selection
Description
0 THRESHOLD Enables keypad entry of signal ampli-
fied difference for marker and limit
detector functions
1 PROGRMD TUNING INC
0 CENTER FREQ
1 MARKER FREQ
2 KEYPAD ENTERED INC
3 KEYPAD ENTRY
4 RETURN TO AUTO
Selecting PROGRMD TUNING INC
determines whether knob increment
equals center frequency, current
marker frequency, or keypad entered
frequency; 4 returns to AUTO selec-
tion of tuning increment
2 KNOB FUNCTION
0 FREQUENCY
1 MARKER
2 VIDEO LINE
Toggles knob function from frequency
to marker control; VIDEO LINE control
is also available if TV Line triggering is
active, and knob selectable horizontal
line triggering has been chosen with
([SWP/TRIG] [9] [1]
3 MARKER TO REFERENCE LEVEL Changes reference level to the current
amplitude of the marker (if active)
4 MOVE MARKER TO NEXT PEAK
Moves marker to next higher or next
lower spectral peak
5 TRANSPOSE MARKERS Interchanges fixed and moveable
markers
6 MARKER START/STOP
Makes the display start and stop fre-
quencies equal to the current marker
positions
4-20 Operation Summary