1
Subject to change without notice
Oscilloscope
HM 407
A
Table of contents
General information regarding the CE marking .......... 2
General Information ........................................................ 4
Symbols ......................................................................... 4
Use of tilt handle ............................................................ 4
Safety ............................................................................. 4
Intended purpose and operating conditions ................. 4
EMC ............................................................................... 5
Warranty ......................................................................... 5
Maintenance .................................................................. 5
Protective Switch-Off .................................................... 5
Power supply ................................................................. 5
Type of signal voltage ..................................................... 6
Amplitude Measurements ............................................. 6
Total value of input voltage ........................................... 7
Time Measurements ..................................................... 7
Connection of Test Signal ............................................. 8
Controls and readout ....................................................... 9
Menu ................................................................................ 22
First Time Operation ..................................................... 23
Trace Rotation TR ........................................................ 23
Probe compensation and use ...................................... 23
Adjustment at 1kHz ..................................................... 23
Adjustment at 1MHz ................................................... 24
Operating modes of the vertical
amplifiers in Yt mode ................................................... 24
X-Y Operation ............................................................... 25
Phase comparison with Lissajous figures .................. 25
Phase difference measurement
in DUAL mode (Yt) ....................................................... 25
Phase difference measurement in DUAL mode ........ 25
Measurement of an amplitude modulation ................ 26
Triggering and time base ............................................. 26
Automatic Peak (value) -Triggering ............................. 26
Normal Triggering ........................................................ 27
(Slope) .................................................................... 27
Trigger coupling ........................................................... 27
Triggering of video signals ........................................... 28
Line triggering (~) ........................................................ 28
Alternate triggering ...................................................... 28
External triggering ........................................................ 28
Trigger indicator “TR” ................................................. 29
HOLD OFF-time adjustment ....................................... 29
(Only in analog mode) .................................................. 29
Delay / After Delay Triggering ..................................... 29
(Only in analog mode) .................................................. 29
Auto Set ........................................................................... 31
Save/Recall ..................................................................... 31
Component Tester (analog mode) ............................... 31
General ......................................................................... 31
Using the Component Tester ...................................... 32
Test Procedure ............................................................ 32
Test Pattern Displays ................................................... 32
Testing Resistors ......................................................... 32
Testing Capacitors and Inductors ................................ 32
Testing Semiconductors .............................................. 32
Testing Diodes ............................................................. 32
Testing Transistors ...................................................... 32
In-Circuit Tests ............................................................. 33
Storage Mode ................................................................. 33
Signal recording modes ............................................... 34
Vertical resolution ........................................................ 34
Horizontal resolution .................................................... 34
Maximum signal frequency in storage mode ............. 34
Alias signal display ....................................................... 35
Operating modes of the vertical amplifiers ................ 35
Test Instructions ............................................................ 35
General ......................................................................... 35
Cathode-Ray Tube: Brightness and Focus,
Linearity, Raster Distortion .......................................... 35
Astigmatism Check ...................................................... 35
Symmetry and Drift of the Vertical Amplifier ............. 35
Calibration of the Vertical Amplifier ............................. 36
Transmission Performance .......................................... 36
of the Vertical Amplifier ............................................... 36
Operating Modes:CH.I/II, DUAL, ADD, CHOP.,
INVERT and X-Y Operation .......................................... 36
Triggering Checks ........................................................ 36
Time base ..................................................................... 37
Hold Off time (analog mode only) ............................... 37
Component Tester ....................................................... 37
Trace Alignment ........................................................... 37
Service Instructions ....................................................... 37
General ......................................................................... 37
Instrument Case Removal ........................................... 37
Caution ......................................................................... 38
Operating Voltages ...................................................... 38
Maximum and Minimum Brightness .......................... 38
Astigmatism control .................................................... 38
Trigger Threshold ......................................................... 38
Trouble-Shooting the Instrument ................................ 38
Adjustments ................................................................. 39
RS232 Interface - Remote Control ............................... 39
Safety ........................................................................... 39
Operation ..................................................................... 39
RS-232 Cable ............................................................... 39
RS-232 protocol ........................................................... 39
Baud-Rate Setting ........................................................ 39
Data Communication ................................................... 39
Front Panel HM407 ......................................................... 40
St.090798-Hüb/goRR
GB
