Hameg HM400 Handbuch Seite 33

34
HOLD OFF/ON (LED button)
By pressing this button a hold-off time can be selected, the
amount of hold-off can be adjusted with the knob TIME/DIV.
35
Z – INP (LED button)
Activates the external Z axis input
as indicated by the LED.
36
INPUT CH 1 (BNC connector)
Signal input for channel 1 (CH 1), in XY mode this input will
control the horizontal movement (X) of the trace.
37
INPUT CH 2 (BNC connector)
Signal input for channel 2 (CH 2), in XY mode this input will
control the vertical trace (Y) movement.
38
PROBE ADJUST (contact)
1 KHz/1 MHz square wave output for the adjustment of probes
other than 1:1.
39
PROBE ADJUST (contact)
Ground connection for the probe adjustment.
40 EXT. TRIG/Z-INP (BNC connector)
Input for external trigger or intensity modulation signals.
41
CH 1 (Mode select button with LED)
Activates the channel 1 (CH 1) input or selects access to the
settings memory 1 as indicated by the LED.
42
CH 2 (Mode select button with LED)
Activates the channel 2 (CH 2) input or selects access to the
settings memory 2 as indicated by the LED.
POWER
46 45 44 43 42 41
POWER POWER
CH1 CH1
CH2 CH2
DUAL DUAL
ADD ADD
COMP COMP
±10 V
COMP . pp
∼ 50 Hz
TESTER
47
20
40
for intensity modulation
4 6
2 3 5 7
POWER
ADJUST SELECT
INTENS
+ +
FOCUS
TRACE
1
8 9
10
ADJUST SELECT
!
INTENS
+ +
FOCUS
TRACE
SAVE push long
RECALL
POSITION 1 POSITION 2
1
1–6
AUTOSET
2
VOLTS / DIV VOLTS / DIV
.2 .1 .2
.5 .5
3 50
VAR
20
1 1
10
2 2
5
5 5
2
5 10 10
XY XY
1
20 20
V mV V
6
DC DC
AC GND AC GND
CH 1 CH 2
X-INP INPUTS
1 MΩ II 15 pF
max.
400 V
p
!
CAT I
18 29 36 30 19 31 37
32
O v e r v i e w o f t h e c o n t r o l s
43
42 DUAL (Mode select button with LED)
Selects dual channel operation or access to the settings me-
. mory 3 as indicated by the LED.
44
42 ADD (Mode select button with LED)
Selects the add mode of the vertical amplifi er or access to the
settings memory 4 as indicated by the LED.
45
42 XY (Mode select button with LED)
Selects the XY mode or access to the settings memory 5 as
indicated by the LED.
46
42 COMP (Mode select button with LED)
Activates the COMPONENT tester or selects access to the
settings memory 6 as indicated by the LED.
47
42 COMPONENT TESTER (two 4 mm test jacks)
Terminals of the component tester, the left one is connected to
the chassis and thus to the safety earth connector of the mains
cable.
42
43
43
43
12 13 14 15 16 17
11
HM400
40 MHz ANALOG OSCILLOSCOPE
AUTO TRIGGER TRIG'd
X-POSITION
LEVEL
NORM
SLOPE X-MAG
x10
TIME / DIV
.2 .1
.1
TRIGGER
ms .5
50
1
20 CH 1 AC
2
10
5
CH 2 DC
10
5
20
2
LINE LF
50
1
.1s
mV
.2s .1
EXT TV
HOLD
OFF
INV ON Z-INP
EXT. TRIG / Z-INP
PROBE ADJUST
1 kHz / 1 MHz
ca. 0.2 Vpp
39
38
40
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TRIGGER
CH 1
50
VAR CH 2
20
10
5
LINE
2
1
.5
µs
.2
EXT
1 MΩ II
15 pF
max.
100 V
p
21
22 23 24
20
35
Subject to change without notice
43
43
43
43
43
AC
DC
LF
TV
26
28 27 25
31