1.3 Names and Functions of Parts
16
1.3 Names and Functions of Parts
Front Panel
Operating Keys
Rear Panel
Battery Compartment (p. 26)
The optional Model 9780 Battery Pack is
installed here.
Manufacturer's Serial No.
Shows the serial number.
Do not remove this label, as it is required
for product support.
Display Screen (p. 81)
4.3-inch TFT color LCD
Screen Configurations (p. 18)
WAVE/DATA
Selects among waveform
screen displays (p. 18).
SET
Displays the Settings
screens, and switches
among the screen tabs
with each press (p. 20).
FILE
Displays file information
(p. 19).
CH/
Select channels.
ESC
Cancels changes to settings.
Cursor Keys
Moves the position of
the cursor (blinking
selection) on the
screen.
ENTER
Accepts displayed
settings.
KEY LOCK
Disables keypad op-
erations. Press and
hold the left and right
cursor keys simultaneously for
three seconds to lock and un-
lock the keys.
(Zero Adjust)
Performs zero adjust-
ment. Press the up
and down keys simul-
taneously to execute (p. 35).
Press to save data manu-
ally (p. 96).
Press the center key to
select waveform scrolling
or A/B cursor movement,
then press the left and
right cursor keys to scroll
or move (p. 21).
Setup and display
Saving operations
Scroll waveforms and
read cursor values
Choose a screen
Start and stop measure-
ment. The LED at the left
lights green while mea-
suring (p. 22).
Start and stop
measurement
Operating Keys
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