Introduction; Clearing The Menu And Cursors Display; Setting Measurement Channel; Menu Buttons - Tektronix 2247A Operator's Manual

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Operators Familiarizatiory
Introduction
Pressing one of the menu call-up buttons causes a list of menu Items to be
displayed on the right-hand side of the CRT beside a group of six Menu Item
Select buttons ( see Figure 3-3) . Pressing the menu button next to a menu
Item on the display selects that function (I.e., to another menu page, a
measurement selection, a measurement source channel, service feature,
store/recall setup features, or menu off) . When a measllr-ement mode,
measurement source channel, or service feature In the menu list Is
selected, that label Is underlined.
MENU
-MEASUREMENTS
SET
STORE /
CLEAR MEAS'MT LAST VOLT- CURSOR COUNTER / RECALL
i
•
YCH
•
El M[f
™O
VD
TIME TIMER SETUP
• • •
MENU LCH1 / CH2_j
MEAS 'MT
CURSORS
...
•
•
•
•
MENU-SELECT BUTTONS
•
I
•
•
.J
6373- 11
Figure 3-3. Menu buttons.
Normally, the menu display turns off after a measurement function Is
selected (If not configured to remain on), and the name and value of a
selected measurement function appears in the top line of the CRT readout.
However, when It Is possible to make more than one selection from the
menu 11st ( or If the menu Is configured to remain on) , the display menu will
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2247 A Operators
[
Operators Familiarization
remain on for making further choices until the CLEAR DISPLAY button Is
pressed or MENU OFF selected (If a menu choice). The service menu can
be turned off by selecting QUIT from the menu or pressing the CLEAR DIS-
PLAY button.
Clearing the Menu and Cu,rsors Display
The CLEAR DISPLAY button clears displayed menus, turns off measure-
ment functions (Including TRACK MEASMT cursors), and turns off the
TRACK TRIG L VL and TRACK
rh
cursors. Depending on what menus and
measurements are displayed at the time, you may have to press the
CLEAR DISPLAY button as many as three times to completely clear the
display.
If a menu Is on, pressing the CLEAR DISPLAY. will remove the menu and
return the display to a normal operating mode. 'Measurement functions are
turned off with the second press ( or the first pres·s If no menu Is dis played) .
Finally, the TRACK TRIG L VL and TRACK
rh
cursors are canceled with a
third press ( or the first press If no menu Is dlspl~yed and no measurement
function Is active) .
Setting Measurement Channel
Press SET MEAS' MT CHANNEL button to call up one of the menus for
setting the measurement channel ( s) . There are 1>ne-page menus available
for voltmeter and rise/fall measurements and single-channel CIT measure-
ments, and two-page menus for all the measurements t~at can have two
different measurement channels. Each menu lists Input channels that can
be selected for the active measurement mode., -
1
•
If the SET MEAS' MT CHANNEL button Is pressed for an Invalid, mode, one
of the following messages will be displayed In the top line for about two
seconds.
SELECT A MEASUREMENT-When no measurement mode Is
active.
I
NO MEAS CHANNEL NEEDED-When a selected measurement
mode ( such as cursor time) does not require a measurement channel
setting.
When a SET MEAS' MT CHANNEL menu Is displayed, switching between A
and ALT Horizontal MODES normally clears the menu and turns off the
active measurement mode.
Pressing a menu button next to a vertical channel number selects that
choice as the source channel for the measurement. For Channel 1 or
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