User manual

24
Subject to change without notice
2 Controls and display
Front panel
1
POWER (pushbutton)
Power switch turns the instrument on/off
2
Display (TFT)
All parameters including the current waveform are shown
concurrently
3
Interaktive Softkeys (illuminated buttons)
Direct access of all relevant functions
4
Numerical keyboard (buttons)
Setting of all operating parameters with respective units
5
SWEEP (illuminated button)
Selection of the parameters for sweep mode
6
MOD (illuminated button)
Modulation modes
7
BURST (illuminated button)
Add user defi ned period to the waveform depending on
internal or external trigger signal
8
MENU (illuminated button)
Open the menu options
9
Arrow buttons     (illuminated buttons)
Cursor keys for shifting the cursor to the position to be
changed, increase/decrease value of the selected para-
meter
10
Rotary knob
Knob to adjust the values
11
OUTPUT (illuminated button)
Turn on/off the output
12
OFFSET (illuminated button)
Add a user defi ned DC voltage to the signal output
13
INVERT (illuminated button)
Inverses the pulse signal output
14
REMOTE (illuminated button)
Toggling between front panel and remote operation
15
USB port
Front USB port for storing parameters and load available
waveforms
16
Signal functions (illuminated buttons)
Selection of the signal: sine wave
, square wave ,
triangle
, pulse , arbitrary
17
TRIG INPUT (BNC socket)
Input for trigger signals
18
TRIG OUTPUT (BNC socket)
Output for trigger signals (TTL)
19
SIGNAL OUTPUT (BNC socket)
Signal output (50 Ω)
Rear panel
20
Interface
HO720 Dual Interface USB/RS-232 is provided as stan-
dard
21
MODULATION INPUT (BNC socket)
Input for amplitude modulation, max. ±5 V, 50 kHz
22
SWEEP OUT (BNC socket)
Sawtooth output (sweep mode)
23
10 MHz REF OUT (BNC socket)
Reference output
24
10 MHz REF IN (BNC socket)
Reference input
25
POWER INPUT (Power Cord Receptacle)
Controls and display
2 4 5
6
7
8
9
10 11 12
1 3
13
14 15 16
1313
17 18 19
Fig. 2.1: Frontpanel of the HMF2550 / HMF2525