Connection Of Sub-Display - Furuno 2127 Installation Manual

Connection of Sub-display

A conventional remote display and/or FAR-2107 series radar can be connected to J617 and
J618 in the processor unit as a sub-display. However, the control for GAIN and STC are
different depending on J617 and J618. Refer to the table to connect sub-displays.
Port
J617 Overall gain
(FULL-LOG)
GAIN control
STC control
J618 Overall gain
(SEMI-LOG)
GAIN control
STC control
Conventional remote
display
Even if input video level is
adjusted to 4 Vp-p, the
gain is 8 db lower than
that on the master radar.
The GAIN control is
effective.
The STC control is
effective.
When input video level is
adjusted to 4 Vp-p, the
gain becomes the same
as that on the master
radar.
The GAIN control is
effective.
The STC control is
effective, however this
control is added on the
signal adjusted by the
master radar. So this port
is not recommended to
use.
FAR-2107 series radar
The gain is 8 dB lower than
that on the master radar.
The GAIN control has no
effect.
The STC control has no
effect.
The gain is almost same as
that on the master radar.
The GAIN control has no
effect.
The STC control has no
effect.
2. WIRING
2-11