3
1. <◄> blinking bit shifts left
2.<☼> blink activation key
3. <►> blinking bit shifts right
4. <
＋
> blinking number increase and positive level DC offset
5. <
－
> blinking number decrease and negative level DC offset
6. <F> frequency setting displaying
key
7
.
<V> voltage setting displaying key
8. <MOD> functional mode selector
9. <∆f> spacing frequency key
10. < f
0
> 400Hz inter-modulation signal and sweeping initial frequency setting key
11. < f
1
> 1000Hz inter-modulation signal and sweeping terminal frequency setting key
12. <∆t> frequency sweep time interval setting key
13. <%> modulation depth setting key
14. <RST> reset key
3-3.NUMBER KEY AREA
：
consists of 15 keys, see the fig.
Among them, there are 10 number keys:
“
.
”
Decimal point key
，“
C
”
backspace key
， “
MHz/V
”
MHz or V unit key
，“
KHz/mV
”
KHz or mV unit key
，“
Hz/%/S
”
Hz unit
key or modulation depth % or S unit key
3-4.TERMINAL DESCRIPTION
：
TERMINAL 1
（
EXT
）
outer-modulation signal input terminal
；
TERMINAL 2 TTL level square wave output terminal
；
TERMINAL 3. sine wave output terminal
3-5.REAR PANEL DESCRIPTION
：
SEE THE FIG.
1.POWER SWITCH
2.220V/110V SWITCHER
3. POPWER SOCKET AND FUSE BOX
（
0.5A
）
4.
4.
4.
4.
DIRECTIONS
DIRECTIONS
DIRECTIONS
DIRECTIONS
FOR
FOR
FOR
FOR
USE
USE
USE
USE
：
4-1.
4-1.
4-1.
4-1.
START-UP
START-UP
START-UP
START-UP
：
