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C o n t r o l s a n d R e a d o u t
Controls and Readout
POWER
1
Mains switch with symbols I = ON and
After turning the scope on and the warm up time of the crt
heater has elapsed, the HAMEG logo, the instrument type and
the version number are displayed. If prior to switching off the
function "Quick Start" was selected (SETTINGS
above will not be displayed. Then the scope will assume the
settings which existed before switching off.
INTENS (knob)
2
This knob controls various functions:
2.1 Trace intensity (signal display) if the FOCUS/TRACE/MENU
pushbutton
3
does not light or blink. Turn left for decreasing
and right for increasing.
2.2 If the FOCUS/TRACE/MENU pushbutton
will act for those functions displayed in the menu, which were
activated.
FOCUS TRACE MENU (pushbutton)
3
Pressing this pushbutton calls the "Int. Knob" menu and the
pushbutton is constantly lit. Then the INTENS knob
can be determined by selecting a menu item.
Depending on the operating mode the menu contains:
A-Int.:
Intensity of the signal as displayed by time base A
B-Int.:
Intensity of the signal as displayed by time base B
Zoom-Int.: Intensity of the signal expanded by Zoom
RO Int.:
Readout intensity
Focus:
Focus for signal and readout
Readout On Off: The readout can be switched off to eliminate
interference of the readout with the signal(s), that
may occur in analog mode. After Readout Off has
been chosen, press the MENU OFF pushbutton
leave the menu. Thereafter only the signal display is
activated and the FOCUS TRACE MENU pushbutton
will blink as long as the readout is off. Pressing the
fl ashing pushbutton calls the Int. Knob menu where
the readout function can be switched on again. After
switching the instrument on, the readout is always
present. The readout is regarding the parameter,
menu and help text display.
Trace rotation: Trace rotation (see TR)
CURSOR MEASURE pushbutton
4
On condition the cursors have been switched off, pressing the
CURSOR MEASURE pushbutton switches the cursors and the
cursor measurement results on. If the cursors and the measu-
rement results are displayed, pressing the CURSOR MEASURE
pushbutton again then causes the display of the "Cursors" menu
and its selection box. Additionally the FOCUS TRACE MENU push-
button
light, indicating that the INTENS knob
3
allocated to the selected item of the "Cursors" menu.
Note:
CURSOR MEASURE can not be called when FFT
mode is present.
STOP
26 Subject to change without notice
Depending on the mode (Yt or XY, analog or digital mode) dif-
ferent cursor measure functions can be chosen is this menu,
regarding the cursor lines and their direction.
The cursor lines and the measurement result are displayed
after the "Cursors" menu is switched off by pressing the MENU
= OFF.
OFF pushbutton
displayed by the readout in the top right corner of the screen.
(e.g. ΔV(CH2):16.6 mV). If a variable control was activated, the
readout will indicate this by replacing the ":" by a ">".
> Misc) the
Cursor positioning
10
The cursor lines and symbols can be moved by POSITION 1
and POSITION 2
13
controls. The POSITION knob function can be selected in the
"Pos./Scale" menu which can be called by pressing the CH1/2-
CURSOR-CH3/4-MA/REF-ZOOM pushbutton
the selection of "Cursors" (long lines) or "Aux Cursors" (short
lines) or other symbols will determine which cursor lines/sym-
bols can be moved by the POSITION 1 and 2 controls.
Menu items
Depending on the operating mode (Analog, Digital, Yt or XY) this
3
lit the control
menu will offer various cursor measuring functions which will
also affect the cursor lines and their position. The function key
"Off" switches the cursors off, cause the "CURSORS" menu to
be left and switches the cursor measuring result display in the
readout off.
4.1 Meas.(uring) Type
If this function is activated, the INTENS knob
2
function
for measurement selection. In most cases the corresponding
unit will be automatically displayed. The measuring modes are
self explaining.
4.2 Unit
In the modes "Ratio X" and "Ratio Y" the INTENS knob symbol
will be shown in addition to a unit, this may then be used to
change the unit.
4.2.1
In the modes "Ratio X", "Ratio Y" and "Count" the INTENS knob
symbol will be shown in addition to a unit, this may then be
44
to
used to change the unit.
4.2.1.1 " rat " (ratio), display of ratios
In this mode the ratios of duty cycles or amplitudes may be
determined with the CURSORS. The distance between the long
CURSOR lines is equal to 1.
4.2.1.2 " % " (percent), display of percentages
The distance between the long CURSOR lines is equal to 100%.
The result will be determined by the distance of the short
auxiliary cursor line to the long reference line (lower respectively
left), if appropriate with a negative sign.
4.2.1.3 " ° " (degree), measurement of degrees
The distance between the long CURSOR lines is equal to 360
degrees and must be exactly as long as a signal period. The
measurement result will be determined from the distance
between the reference line to the short auxiliary cursor line.
If appropriate with a negative sign. For further information
please consult "Measurements of phase differences in dual
has a function
channel mode (Yt)" in the section "First time operation and
2
pre settings".
4.2.1.4 " π "
One period of a sine wave is equal to 2 π, hence the distance
between the two long CURSOR lines must be set to one period. If
. The results of cursor measurements will be
44
knobs after being activated as cursor
14
. In this menu
15
2
can be used
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