NF WF1945B, Instruction Manual, Page: 148 / 188

5.5 Other settings
5-20
WF1945B
„
LOAD function (equalize setting and output values) (
SYSTEM
: LOAD)
Operation is described for equalizing the amplitude (AMPTD) and DC offset (OFFSET) setting
values with the actual output values (FUNCTION OUT connector voltage).
The example is setting at the 100
Ω
load impedance.
Operation:
① Press the
SYSTEM
key, then use the and keys to produce the following display (LOAD
flashes).
ＯＰＥＮ
ＳＹＳＴＥＭ：
3
ＬＯＡＤ ＥＸＴ－ＡＭ ＥＸＴ－ＡＤＤ
4
② Press the
ENTER
key, then turn the
MODIFY
dial to produce the following display(SET flashes).
ＳＥＴ ５０ Ω
ＳＹＳＴＥＭ：
3
ＬＯＡＤ ＥＸＴ－ＡＭ ＥＸＴ－ＡＤＤ
4
③ Press the key, then turn the
MODIFY
dial to set the load impedance to 100
Ω
.
The above setting calculates the actual voltage of FUNCTION OUT connector from the WF1945B
output impedance (50
Ω
) and the load impedance for automatically changing the indicated value.
Other:
• The load impedance setting range is 45 to 999
Ω
, resolution is 1
Ω
.
• The WF1945B output impedance and voltage errors are not converted.