4 - 10
PERFORMANCE TEST
Test set up:
Settings/procedure:
1
-
Apply a 1 kHz square-wave signal of 30 mV to input CH1. Set the generator
in ’volt’ mode. The generator must not be terminated with 50
Ω
(the text ’LZ’
must not be visible in the lower part of the viewing area).
2
-
Press the green AUTOSET key.
3
-
Set CH1 to 5 mV/div and to DC input coupling. The waveform must be in
the vertical middle of the screen.
4
-
Press the ACQUIRE menu key.
5
-
Select BW LIMIT ’on’ from the VERT MENU key.
6
-
Press the TRIGGER menu key.
7
-
Select noise ’on’ and ’hf-rej’ from the TRIGGER MAIN TB menu.
8
-
Change the input voltage and the setting of CH1 according to table I and
verify that the amplitude of the signal agrees with this table. The signal
should remain positioned in the vertical center of the screen.
Note:
Only the input sensitivities essential for input accuracy are checked.
Requirements:
table I.
Input voltage
Setting
Requirements
Requirements
(pp)
analog mode
digital mode
30 mV
5 mV
5.92...6.08 div (
±
1.3%)
5.88...6.12 div (
±
2%)
60 mV
10 mV
5.92...6.08 div (
±
1.3%)
5.88...6.12 div (
±
2%)
1.2V
0.2V
5.92...6.08 div (
±
1.3%)
5.88...6.12 div (
±
2%)
6V
1V
5.92...6.08 div (
±
1.3%)
5.88...6.12 div (
±
2%)