Tektronix 2246 User Manual

Controis, Connectors, and indicators—- 2246 Operators
Tektronix 2246
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Figure 3-7. Menu Controls.
then cleared. If a measurement mode not requir-
ing a measurement channel to be selected is
active (such as a Cursor Time Measurement
mode), the message “NO MEAS CHANNEL
NEEDED” is displayed for two seconds.
Changing the Horizontai MODE {A to ALT or B to
X-Y or vice versa) while the SET MEAS’MT
CHANNEL menu is being displayed, turns off the
measurement mode in effect and clears the chan-
nel select menu from the display.
LAST MEAS’MT—Recalls and initializes the last
active measurement mode if none is active or
reinitializes an active measurement mode.
The measurement mode and measurement value
are displayed at the top of the screen. LAST
MEAS'’MT initializes in the following manner:
l- VOLTS -I and rh VOLTS -i cursors and
CH1/CH2 VOLTMETER measurements are initial-
ized to Channel 1 if Channel 1 is displayed; other-
wise to Channel 2.
ATIME measurements in ALT and B Horizontal
mode initialize to the lowest number displayed
channel for the reference delay time and the next
lowest number displayed channel for the delta
delay if more than one channel is displayed;
otherwise, both delays are on the same channel.
ADD is considered the highest numbered channel
for initialization purposes.
NOTE
if the stored front panel data ever becomes
invalid, the last measurement is initialized to
l- SEC -i at power on. This initialization
occurs if the memory-backup battery is
dead, and the first time the instrument is
turned on after replacing the battery. Refer
the instrument to a qualified service person
for battery replacement.
CH1/CH2 VOLTMETER--Calls up the voltage
measurement menu. A selected measurement
mode is indicated by an underscored menu label.
Measurement-tracking and .ground-tracking
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Tektronix 2246 Specifications

General

Brand	Tektronix
Model	2246
Category	Test Equipment
Language	English