Hameg HM8135-X, Руководство пользователя

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36
Subject to change without notice
The parameters are selected by pressing one of the four context
sensitive keys
.
– START (start frequency)
– STOP (stop frequency)
– TIME
(sweep time)
– ON / OFF (state of sweep)
The return to the previous menu is possible by pressing the
PREV. key
.
After selecting START, STOP or TIME with the context sensitive
keys
, the display shows:
Fstr: 16.000000 MHz
– stp + cur
Fstp: 1200.000000 MHz
– stp + cur
SweepTime: 5.00 Sec
– val + cur
A new value of Fstr, Fstp or Sweep Time can be entered from
the data keypad
or modifi ed by the digital rotary or by
one of the four context sensitive keys .
The frequency hub between Fstr Fstp may be set from:
– 500 Hz to 2999 MHz (1 MHz -3000 MHz)
– step
1 Hz
The sweep time may be changed from:
– 20 ms to 5s
– step
10 ms
The return to the previous menu is possible by pressing the
PREV. key
.
The context sensitive keys (OFF/ON) can be used to enable
the sweep. For sweep time > 1.3 sec, the following message
is displayed:
Sweep Starting
Initialization ..
After initialization, the sweep menu appears automatically with
the ON option selected as just below:
* * * * * * SWEEP MENU
Start Stop Time On
The return to the previous menu is possible by pressing the
PREV. key
and the return to the main display by pressing
the ESC key .
16.000000MHz SWE
1200.000000MHz 1.00s
PREV. key (Previous)
The return to the previous menu is possible by pressing the
PREV. key
.
ON key
The output RF OUTPUT is only active if the ON key is
pressed and the corresponding LED is lighted. When the signal
is not active, the output is an open circuit.
RCL / STO keys (Recall & Store)
The instrument is equipped with an internal non-volatile me-
mory which stores all parameters in use (frequency, level,
modulation ...) when the power is switched off. In addition to
this the instrument offers the possibility to store 10 complete
confi gurations.
After pressing the STO key , the display shows:
The current confi guration can be stored by pressing a numeric
key from 0 to 9.
After pressing the RCL key , the display shows:
A confi guration can be recalled by pressing a numeric key
from 0 to 9.
S e t t i n g t h e c o n f i g u r a t i o n