Panel Keys And Knobs - YOKOGAWA DL7440 User Manual

1.2

Panel Keys and Knobs

Vertical Axis
VERTICAL
1
CH
2 PRESET
CH
3
CH
V/DIV
4
CH
5
CH
6
CH
7
CH
LOGIC
8
CH
Horizontal Axis
HORIZONTAL
SEARCH
ZOOM
TIME/DIV
IM 701450-01E
CH1 to CH8/4* Keys (Sections 5.1 to 5.10)
• Each key displays a menu used to turn ON/OFF the channel's display and set the
vertical position, coupling, probe attenuation/current-to-voltage conversion ratio, offset
voltage, bandwidth limit, expansion or reduction of the vertical axis, linear scaling, and
waveform labels.
• If you press a CH key before operating the V/DIV knob to display the menu for the
channel, the channel becomes controllable using the V/DIV knob.
• The indicator to the left of each CH key illuminates when the channel is ON.
* There are four channel keys (CH1 to CH4) and 8 channel keys (CH1 to CH8) on the DL7440
and DL7480, respectively. The notation "CH1 to CH8/4" is used in the following sections of
this manual to indicate that CH1 to CH4 and CH1 to CH8 can be controlled or configured on
the DL7440 and the DL7480, respectively.
Note
The setup menu used to specify whether the offset voltage is applied to the measured and
computed results is located in the menu that appears when the MISC key (see section 1-5) is
pressed.
V/DIV Knob (Section 5.2)
• Sets the vertical sensitivity
• Before turning this knob, press one of the CH1 to CH8/4 keys to show the menu for
the channel and have the channel selected.
• If you change the vertical sensitivity setting when waveform acquisition is stopped, the
new setting takes effect when you restart waveform acquisition.
* In the attenuation/current-to-voltage conversion ratio setting of the probe, if the probe
attenuation is specified, the voltage sensitivity is set. If the current-to-voltage conversion ratio
is specified, the current sensitivity is set.
PRESET Key (Section 5.7)
• Displays a menu used to automatically set the probe attenuation/current-to-voltage
conversion ratio, V/div, offset voltage, trigger level, and other parameters to the
optimum values for CMOS or ECL signals (or to arbitrary values).
• Presets can also be applied to all channels at once.
LOGIC Key (Section 5.10)
Displays a menu used to turn ON/OFF the display and set the threshold levels and
waveform labels on the optional logic input.
TIME/DIV Knob (Section 5.12)
• Sets the horizontal axis (time axis) scale.
• If you change the setting when waveform acquisition is stopped, the new setting takes
effect when you restart waveform acquisition.
ZOOM Key (Section 8.4)
Displays a menu used to set the zoom display of waveforms.
SHIFT+ZOOM (SEARCH) Key (Sections 10.4 and 10.11)
Displays a menu used to set the waveform search (search & zoom function) and the SPI
signal analysis and search.
*
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