Acoustic Key Signal Key Beep; Talk Only; Data Transfer Speed Bauds; Line Frequency Mains Frq - Hameg R&S HM8118 Benutzerhandbuch

mode) and select the desired contrast setting via knob. By
pressing the knob again, you can activate the manual va-
lue input via numeric keypad. A value input window will
be opened. You can use the numeric keys to enter a value.
After entering the value via keypad, confirm the entry by
pressing the ENTER key or by pressing the knob again.

7.3.2 Acoustic key signal KEY BEEP

The KEY BEEP function allows you to turn the key beep on
(ON) or off (OFF). In the SYST menu, use the arrow keys
to select the KEY BEEP function to activate or
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deactivate the key beep, press the knob
and select the desired setting via knob. Press the knob
again to confirm the selection.

7.3.3 TALK ONLY

The TALK ONLY function allows you to activate (ON) or
deactivate (OFF) the „Talk Only" interface mode. In the
SYST menu, use the arrow keys
TALK ONLY function to activate or deactivate the „Talk
only" mode, press the knob
the desired setting via knob. Press the knob again to con-
firm the selection. The interface can only send, not res-
pond, when TALK ONLY is activated.

7.3.4 Data Transfer Speed BAUDS

The BAUDS function shows the data transfer speed of the
serial RS-232 interface. The baud rate is not variable and is
9600 bit/s.

7.3.5 Line Frequency MAINS FRQ

The MAINS FRQ function allows you to select the existing
line frequency of 50 Hz or 60 Hz for the internal frequency
suppression. In the SYST menu, use the arrow keys
to select the MAINS FRQ function to choose
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the line frequency, press the knob
select the desired line frequency (50Hz / 60Hz) via knob.
Press the knob again to confirm the selection.

7.3.6 Instrument Information INFO

The INFO function shows information about the firmware
version, the FPGA hardware version and the compensa-
tion date as well as the bridge serial number. To select the
menu item, use the arrow keys in the SYST menu
to select the INFO function.
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7.4

Saving / Loading of Settings

By pressing the RECALL/STORE key
current measuring instrument parameters (settings) from
memory spaces 0 to 8, or alternatively, store them to me-
mory spaces 0 to 8. If the memory space 9 is selected, the
factory settings will be loaded (reset). However, this will
not impact the stored parameters in the memory spaces
0 to 8. After the measuring instrument has been switched
on, the parameters will be loaded from memory space 0.
Repetitively press the RECALL/STORE key
between storing and loading measuring instrument para-
meters. Use ESC or press the RECALL/STORE key
to close the menu.
(editing mode)
6
to select the
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(editing mode) and select
6
(editing mode) and
6
, you can load the
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to toggle
41
again
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7.5

Factory Settings

Frequency FRQ
Level LEV
Preload BIAS
Measurement range RNG AUTO
Measurement speed SPD SLOW
NUM
FUNC
Compensation OPEN
Compensation SHORT
Compensation LOAD
Triggering TRIG
Delay DELAY
Average AVG
Voltage / current Vm/Im
Guarding GUARD
Deviation DEV_M
Reference REF_M
Deviation DEV_S
Reference REF_S
Constant voltage CST V
NUM
Function FUNC
Reference LOADM
Reference LOADS
Contrast CONTRAST
Key beep KEY BEEP
TALK ONLY
Baud rate BAUDS
MAINS FRQ
Instrument Functions
1.0 kHz
1.00 V
OFF
1
AUTO
ON
ON
OFF
CONT
0ms
1
OFF
OFF
OFF
0.00000 H / mH / µH / nH / F
mF / µF / nF / pF / Ω / mΩ kΩ /
MΩ / S / kS / mS / µS / nS / pS
OFF
0.00000 Ω / mΩ / kΩ / MΩ / S
kS / mS / µS / nS / pS / °
OFF
1
AUTO
0.00000 Ω
0.00000 Ω
49 (dependent on the LCD)
ON
OFF
9600
50 Hz
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