DATATEC HAMEG HM8135, Руководство пользователя

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Setting the configuration
5 .8 Interface Com
The HM8135 is basically equipped with the serial interface.
The instrument is prepared for the installation of either an
optional RS-232 (HO890), IEEE-488 (HO880) or an USB
(HO870) interface (all galvanically isolated). Only the baud
rate of the serial interface can be modified. The optional in-
terface is chosen by operating the context sensitive keys.
After power-on the serial interface is activated by default.
If you want the optional interface to be activated after po-
wer-on, store the instruments settings (optional interface
activated) in the configuration memory 0.
Serial interface
It is possible to select the transmission rates 300, 600,
1200, 2400, 4800, 9600 or 19200 baud by pressing the
context sensitive key
5
. The other parameters are fixed:
❙no parity
❙8 data bits
❙1 stop bit
For the connection between PC and instrument you can
use a standard 1:1 cable.
USB interface
You do not have to change the configuration. If required,
the baud rate can be changed. Connect the HM8135 with
your PC using a USB cable and install the USB drivers like
described in the manual of the USB interface HO820.
GPIB interface
Connect the HM8135 with your PC using a GPIB cable. It
is necessary to set the GPIB adress of the HM8135 to the
desired value. The adress is changed at the interface on
the rear panel. Do this settings only before starting the
instrument. It is not possible when the instrument is run-
ning.
5 .9 Display LCD
** DISPLAY ADJUST **
-C -Light+
The contrast and the illumination of the display is adjusted
by pressing one of the four context sensitive keys
5
, cor-
res-ponding to + or –.
5 .10 SWEEP
After selecting the SWEEP option in the configuration
menu, the display shows:
*** SWEEP MENU ***
Param Mode Trig Off
The parameters are selected by pressing one of the four
context sensitive keys
5
:
❙Param (parameter setting)
❙Mode (Continue- / Burst-Mode)
❙Trig (ON / OFF)
❙ON / OFF (Sweep – Status)
In this menu item the trigger can switchs on or off. The
return to the previous menu is possible by pressing the
PREV. key
3
.
After the selection of one of the options PARAM or MODE
with the context sensetive keys
5
the display shows:
* SWEEP PARAM MENU *
Span Steps Up
* SWEEP SPAN MENU *
LowFreq HighFreq
FrLo: 16.000000 MHz
– stp + cur
FrHi: 1.200000000 GHz
– stp + cur
EA new value of FrLo or FrHi can be entered from the data
keypad
11
, modified by the rotary knob
10
or by one of the
four context sensitive keys
5
.
The frequency hub between FrLo

FrHi may be set from:
❙1 MHz...1.2 GHz
❙step size 1 Hz
* SWEEP STEP MENU *
StepCount steptime
Step Count: 100
– val + cur
Step Time: 0.10 sec
– val + cur
The parameters can be in the range of:
❙max. 500 steps
❙step size 10 ms (max. 2,5 s)
The return to the previous menu is possible by pressing
the PREV. key
3
.