NF WAVE FACTORY WF1967, Instruction Manual (Operations, Page: 93 / 330

4.4 Setting for Main Items
WF1967/WF1968
4-43
c) If the desired external addition condition cannot be selected

External addition cannot be ON (set as x0.4, x2, x10)
An external modulation is used.
To use the external addition, change the modulation source to Internal.
The external addition input terminal is sharing with the external modulation input terminal.
Therefore, when External is specified as a modulation source for modulated oscillation except
FSK and PSK, the external addition cannot be used. The external addition setting at this time is
always becomes [Off].
Similarly, when an external addition is used, the external modulation cannot be used (excluding
FSK and PSK).

External addition gain cannot be set as the desired value
The gain of the external addition is decided by the output voltage range.
To set the external addition gain by a factor of 0.4, set the amplitude and the DC offset setting so
that the output voltage range is 0.8V.
To set the external addition gain by a factor of 2, set the amplitude and the DC offset setting so
that the output voltage range is 4V.
To set the external addition gain by a factor of 10, set the amplitude and the DC offset setting so
that the output voltage range is 20V.
Because the external addition adds to the final stage of a waveform output (

P.1-4), the
addition gain is related to the output voltage range. It is fixed to x10 when the maximum output
voltage of the range is 20V, fixed to x2 for 4V, fixed to x0.4 for 0.8V, and other addition gains
cannot be selected.
Oppositely, when the external addition is used, the maximum output voltage of the range is fixed
by the addition gain. Especially, note that the fineness of the amplitude precision and the
waveform might decrease when the amplitude is reduced because it is fixed to 20V range when
the addition gain is x10.
3.
When the external addition settings
window opens, select the desired
output setting and press the ENTER
key.
When the selection list opens, select
the desired setting and then press the
ENTER key. [x0.4][x2][x10] represents
the addition gain.
4.
When the external addition setting is
completed, select [OK], and then
press the ENTER key. The change in
the external addition setting is applied.
When you do not want to apply the
change, select [Cancel] and press the
ENTER key, or press the CANCEL
key.
Set the external
addition setting.
External
addition
setting window
is opened
Select [OK] and
then press the
ENTER key.
power switch