10
Subject to change without notice
F a m i l i a r i z e y o u r s e l f w i t h y o u r n e w H M O
2 Familiarize yourself with your new HMO
2.1 Front view
On the instrument frontside you can find the power key
1
, in
order to switch on the instrument or enter stand by mode. If
the instrument is in stand by mode, this key light up red. If the
instrument is switched off using the main power switch on the
backside, the red light will also switch off (this will take some
seconds). Furthermore you find on the front panel the control
panel
2
,
A
,
B
,
C
,
D
, the BNC connectors of the analog inputs
45
to
48
, the probe adjustment output
51
, the
bus signal source
50
,the connectors for the optional
logic probe HO3508
53
, a
USB port for USB sticks
54
, the TFT screen
55
, the inputs for
the component tester
52
and the LED
49
for showing activity
on the remote interface. At the two channel versions there is
the external trigger at right side.
Please note, the connector for the active logic
probes HO3508
53
are solely for these probe.
Connecting anything else could destroy the inputs!
2.2 Control panel
The controls on the front panel allow direct access to the most
important functions; all extended functions are available via
the menu structure by using the grey soft keys. The power
key
1
is clearly set apart by its design. The most important
controls are backlighted by coloured LEDs in order to imme
-
diately indicate the actual settings. The panel is subdivided in
these four areas:
Area
A
This area encompasses these three portions: CURSOR/MENU
–
ANALYzE
– GENERAL.
In the portion CURSOR/MENU
you find the cursor functions
8
,
the general cursor select and adjustment knob
4
, the Intensity/
Persistence key
7
, the key to call a virtual keyboard
6
,
the key
for switching between fine and coarse resolution of the
universal
knob
3
and the key for the selection of virtual screen
5
.
Please note, if you press the AUTOSET button
15
longer then 3 seconds, the HMO will be reset to its
default settings!
The portion
ANALYzE
allows direct selection of FFT
9
displays,
the Quick-view mode
10
(all important parameters of the actual
signal display), and the automeasure function
11
for the auto
-
matic measurement of parameters.
The portion headed GENERAL comprises the SAVE/RECALL
12
button for saving and recalling instrument settings, reference
signals, signals, screen displays, and sets of formulae,
HELP
16
, DISPLAY
14
for access to the general display settings,
AUTOSET
15
, SETUP
13
for access to the general settings (e.g.
the
language),
FILE/PRINT
17
.
Fig. 2.2: Area A
of the control
panel.
3
A
5
15 16
8
11
14
9
10
6
7
12
13
4
17
49
1
48
47
46
45
52
53
54
2
55
A
B
C
D
51 50
Fig. 2.1: Frontview of the HMO2024
