
absolutely certain to use a ·fuse of the proper rat
ing. OUR WARRANTY DOES NOT COVER
DAMAGE CAUSED BY USE OF AN IMPROPER
FUSE.
(9) Power -Cord
The AC power cord emerges at this point.
(10) VIDEO OUT
The output video signal for your monitor television
appears at this jack.
( 11) NEG/POS
This switch selects the format for the television
screen display. In the NEG position, white letters
will appear on a black background; in the POS
position, black letters will appear on a white
background.
(12) MONITOR V/H
The V and
�Htp
jacks are for connection to the
vertical and horizontal deflection plate input jacks
on the Y0-901 Multiscope, for RTTY cross pattern
monitoring.
(13) RF OUT
This is the output jack for the optional video
modulator for television channels 3 or
�4�.tp
Switching
is performed inside the cabinet, for selecting the
unused channel in your area.
(14) AF IN
This is the audio input jack for the YR-901. This
jack should be connected, through a suitable patch
cord, to the FT-901 DM external speaker jack.
( 15) TTY /KB/RTTY
This switch should be set to the position cor
responding to the type of machine you will be
using. For an ASR33 type machine, use the TTY
position. For an ASCII keyboard, use the K B
position. For an ASR32 type machine, use the
RTTY position.
(16) FSK OUT
This is the teletype keying output jack, and it
should be connected to the FT-901DM FSK K EY
IN jack on the rear panel of the transceiver.
---+-�R�A-!-'-�C�E-1-':'.'.�E�R0++
�K�E-(j)0++
0+�A�C�K0++
- 7 -
Fig.2
Speaker Plug
Fig.3 RCA
Phono Plug
Fig,4
Key Plug
Содержание VR-901
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