www.fmuser.org
www.fmuser.org
11
9. Direction for Operate and Display
To this TV transmitter, modulation cell and power amplifier cell have separate operate-display
system.
9.1 Operation for Modulation Cell
On the front panel, there is a LCD, “
▲
”Key, “
▼
”Key, “Select” Key, “Mode” Key for user to
view and set modulate parameter.
9.1.1 Video Modulating degree setting
Single click “Mode” key on the front panel, putting “LCD” Display under “paging” status,
and then ,pressing “
▲
” or “
▼
” key, making window frame at
If LCD displays picture 1, it means no video signal input.
If LCD displays picture 2 and video is AGC status, modulating degree automatically changes
to 87.5%.
When video frequency modulation is under MGC status, user can properly adjust the
potentiometer on the rear panel in order frequency modulation achieving perfect performance.
9.1.2 Audio Frequency Deviation Setting
Single click “Mode” key on the front panel, putting “LCD” Display under “paging” status,
and then ,pressing “
▲
” or “
▼
” key, making window frame at
Audio FREQ DEV
：
--------------------
Audio FREQ DEV
：
> > > > > >-------
图
1
图
2
Video MOD DEPTH
：
NO Signal&Input
Video MOD DEPTH
：
87.5%
图
1
图
2
