3
Subject to change without notice
C o n t e n t s
General information regarding the CE marking
2
100 MHz CombiScope
®
HM1008-2
4
Specifi cations
5
Important hints
6
List of symbols used:
6
Positioning the instrument
6
Safety 6
Proper operation
7
CAT I
7
Environmental conditions
7
Warranty and repair
7
Maintenance 7
Line voltage
7
Front Panel Elements – Brief Description
8
Basic signal measurement
10
Signals which can be measured
10
Amplitude of signals
10
Values of a sine wave signal
10
DC and ac components of an input signal
11
Timing relationships
11
Connection of signals
11
First time operation and initial adjustments
12
Trace rotation TR
12
Probe adjustment and use
12
1 kHz adjustment
12
1 MHz adjustment
13
Operating modes of the vertical amplifi er
13
XY operation
14
Phase measurements with Lissajous fi gures
14
Measurement of phase differences in dual
channel Yt mode
14
Measurement of amplitude modulation
15
Triggering and time base
15
Automatic peak triggering (MODE menu)
15
Normal trigger mode (See menu MODE)
16
Slope selection (Menu FILTER)
16
Trigger coupling (Menu: FILTER)
16
Video (tv triggering)
16
Frame sync pulse triggering
16
Line sync pulse triggering
17
LINE trigger
17
Alternate trigger
17
External triggering
17
Indication of triggered operation (TRIG’D LED)
17
Hold-off time adjustment
17
Time base B (2nd time base). Delaying,
Delayed Sweep. Analog mode.
18
Alternate sweep
18
AUTOSET 19
Component tester
19
CombiScope 21
Digital operation
22
Digital operating modes
22
Memory resolution
22
Memory depth
23
Horizontal resolution with X magnifi er
23
Maximum signal frequency in DSO mode
23
Display of aliases
23
Vertical amplifi er operating modes
23
Data transfer
23
General information concerning MENU
25
Controls and Readout
26
