Voltcraft UTS-1980 Function Generator, Frequency Generator UTS-1980 Data Sheet
Product codes
UTS-1980
9
3.1 FC display window（
○
,
1
）
displays frequency. 6 digits of FG.
3.2 The frequency can be adjusted by hand wheel or enter numbers directly.
Once the power is on, the default output frequency is 1 kHz. At the time,
number “1” is flashing. Remove the flashing number horizontally by【＜】
and【＞】and the flashing number can be changed through rotating the
hand wheel. Press【.】, indicator “Range” above 【.】 will be on. Then the
frequency unit indicator will be flashing to indicate which unit should be
applied to the value shown on the display window （
number “1” is flashing. Remove the flashing number horizontally by【＜】
and【＞】and the flashing number can be changed through rotating the
hand wheel. Press【.】, indicator “Range” above 【.】 will be on. Then the
frequency unit indicator will be flashing to indicate which unit should be
applied to the value shown on the display window （
○
,
1
）
. Rotate the hand
wheel; the value will be changed as ×10 times or 1/10 times each time.
Press 【.】 again, the “Range” indicator will be off and re-start adjustment
mode by hand wheel. Press【OK】, “Func” indicator will be off, frequency
on window is cleared and enter into state of entering numbers directly. All
the entered numbers will be flashing and they are can be deleted freely
from left to right through【＜】, which can correct the numbers. And also
units, such as MHz, kHz, Hz, can be selected through【＞】. Press【OK】
again after entering numbers, the key of “Func” will be on; the signal
frequency will be displayed on frequency window.
Press 【.】 again, the “Range” indicator will be off and re-start adjustment
mode by hand wheel. Press【OK】, “Func” indicator will be off, frequency
on window is cleared and enter into state of entering numbers directly. All
the entered numbers will be flashing and they are can be deleted freely
from left to right through【＜】, which can correct the numbers. And also
units, such as MHz, kHz, Hz, can be selected through【＞】. Press【OK】
again after entering numbers, the key of “Func” will be on; the signal
frequency will be displayed on frequency window.
3.3 The operation of Secondary function key.
Once the power is on, the “Func” indicator above 【OK】will is on. Parts
Once the power is on, the “Func” indicator above 【OK】will is on. Parts
of keys are corresponding to the secondary functions which are indicated
on panel.
on panel.
【
-20dB】：Press【1】，the indicator “-20dB” will be on. The attenuation
amplitude of output signal is -20dB of the original output amplitude.
Press the key again, the indicator “-20dB” will be off, the amplitude of
output signal will not be attenuated.
【
Press the key again, the indicator “-20dB” will be off, the amplitude of
output signal will not be attenuated.
【
Duty】：Press【2】，the indicator above “Duty” will be on. Adjust the
Duty cycle variable knob（
○
,
14
）
to change duty ratio of square wave.
Press the key again, the indicator “Duty” will be off, the output duty cycle
of square wave is 50%. At the time, the Duty variable knobs（
of square wave is 50%. At the time, the Duty variable knobs（
○
,
14
）
do not
work.
【
【
Offset】：Press【3】，the indicator above “Offset” will be on. Adjust the
DC offset variable knob（
○
,
15
）
, DC offset of output waveform can be
adjusted. Press the key again, the indicator “offset” will be off, the output
waveform is back to normal. At the time, the DC offset variable knob
（
waveform is back to normal. At the time, the DC offset variable knob
（
○
,
15
）
won’t be work.
【
Wave】：When the power is on, the default output of FG is sine wave.
The ”Sine” indicator will be on. Once press number 【4】 each time,
output waveform of FG will be switched between sine, square and triangle
in turn.
output waveform of FG will be switched between sine, square and triangle
in turn.