Velleman APS230, Руководство пользователя

Страница: 54 / 76

54
A ps 2 3 0 A D VA N CE D Per s o n al S c o pe TM
Input sensitivity & timebase
CHANGING THE INPUT SENSI-
TIVITY AND TIMEBASE
•
First press the „t-V/div“ key, next use the
▲
or
▼
cursorkeys for changing the input
sensitivity (V/div) (Fig 46)
•
Press the
◄
or
►
cursorkeys to change the
timebase (time/div). (Fig 47).
1. Changing Volt/div:
The signal on the screen can be enlarged or
reduced vertically by adjusting the displayed
voltage per division. (See
‘display’ mode for
visualization of the grid ).
Select the sensitivity: from 1mV to a maximum
of 20V per division.
10mV to 200V with X10 probe selection
•
Pressing the
▲
key increases the input
sensitivity.
•
Pressing the
▼
key decreases the input
sensitivity.
2. Changing the timebase (fig. 47):
When you change the time base, more or less
periods will be visible on the screen.
Set the time base between 1h and 25ns per
division.
•
Press the ‘t-V/div’ -key to set the cursor-
keys action into ‘timebase’ mode.
•
Press the
◄
or
►
cursor key to increase or
decrease the timebase (time/div).
Fig 46
Fig 47
CH1 CH2
Time/div