Yaesu FT-847 handleiding
Handleiding
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FT-847 OPERATING MANUAL
(1) 13.8V DC Jack
This is the main DC input jack for the transceiver. The
specified voltage is 13.8V DC, negative ground
(±10%), and maximum current draw is 22 Amperes.
(2) GND Lug
For best performance and safety, this Ground lug
should be connected to a good earth ground using a
short, heavy, braided cable.
(3) KEY Jack
This 3-pin ¼” (“stereo”) jack may be used for connec-
tion to a straight key, an external electronic keyer, or a
keyer paddle. When connecting to an external elec-
tronic keyer or computer-driven keying interface, be
sure that the external device is set up for “positive”
voltage keying. The key-up voltage is +5 V DC, and
the key-down current is 2 mA.
(4) CAT Port
This DB-9 connector is used for interconnection to a
personal computer’s serial port to enable computer-
assisted operation. Use a “null modem” (not “straight”)
RS-232C serial data cable; no “level converter” or
other hardware interface should be required.
Rear Panel Connectors
(5) TUNER Connector
This 8-pin mini-DIN connector is used for connection
to the optional FC-20 External Automatic Antenna
Tuner.
(6) PKT Connector
This 6-pin mini-DIN connector accepts AFSK input
from a Terminal Node Controller (TNC). It also pro-
vides fixed-level receiver audio output, PTT, and
Ground lines. See the section on “FM PACKET TNC
INTERFACING” for details of the correct levels and im-
pedances required for proper operation.
(7) DATA IN/OUT Jack
This 3.5 mm, 3-pin miniature phone jack provides
constant-level receiver audio output on the ring con-
tact, and accepts transmit audio input and PTT on the
tip contact, for AFSK use with a TNC for RTTY or
other digital operating modes. See the section on
“AFSK TNC CONNECTIONS” for details of the correct
levels and impedances required for proper operation.
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Productinformatie
| Merk | Yaesu |
| Model | FT-847 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 17150 MB |
