NF WF1945B - Page 109

4.3 Modulation
WF1945B 4-47
(2) Set the DC offset DEVIATION
① Use the
and keys to produce the following display (DEVIATION flashes).
＋０．２０００ Ｖ
ＯＦＳＭ：ＴＹＰＥ ＤＥＶＩＡＴＩＯＮ ＦＲＥＱ
4
② Press the
ENTER
key.
③ Set the deviation with the keypad or
MODIFY
dial.
For example, set to 0.3 V.
④ After setting, press the
EXIT
key once to release the deviation setting mode.
(3) Set the modulation FREQ
① Use the
and keys to produce the following display (FREQ flashes).
１００．００ Ｈｚ
ＯＦＳＭ：ＴＹＰＥ ＤＥＶＩＡＴＩＯＮ ＦＲＥＱ
4
② Press the
ENTER
key.
③ Set the frequency with the keypad or
MODIFY
dial.
For example, set to 250 Hz (4 ms).
④ After setting, press the
EXIT
key once to release the modulation frequency setting mode.