Yaesu FT-101E Instruction Manual page 10

(a) AF-IN ;
Audio input jack for auxiliary station e quipment.
An FM dete ctor unit, or a high level microphone,
may be app lied at this point for audio output
from the transceiver speaker.
(b) I F OUT;
3 1 80 KHz I F signal is available from this jack for
use with other station e quip ment such as pan o­
ramic adapter, etc.
( c ) SP ;
Audio output is provided at this jack for an
external speaker. Outpu t im pedance is 4 ohms
and the internal speaker will be disabled when
plug is inserted.
( d ) PTT ;
This jack m ay be used for extern al actuation of
the transmitter. As an exam pie, a foot switch
may be inserted into this jack to provide rem ote
control of the transmitter PTT relay.
( e ) PATCH;
Speech input cl.!rminal for phone p atch connec­
tion. Impedance is 50 K ohms.
(f) REC;
This jack is connected to the receiver output ( 4
ohms.) to be used for phone patch or other use.
(g) TONE;
Sidetone output for additional receiver if used.
( h ) A-TRIP ;
Anti-trip input from additional receiver if used.
(i) FAN;
Power outlet for c ooling fan.
U)
P.O. ADJUSTMENT ;
Meter sensitivity adjustment for relative p ower
output indication.
PEAR APRON CONNECTIONS AND CONTROL
8 -
-
(k) RF OUT ;
S ignal frequency output from the driver stage may
be obtained at this jack for use. of op tional equip­
ment, such as the FTV-65 0 B and FTV-2 5 0 6 and 2
m eter transverters.
(1)
GND ;
Groun d c onnection.
( m ) LAMP FUS E ;
This lamp fuse protects the RF amplifier tran­
sistor from dam age which may be caused by
extremely strong local signal.
( n ) RCV ANT;
Other receiver can be used through this Jack.
( o ) ANT;
Coaxial c onnection for antenn a.
( p ) ACC;
Accessory socket. ·Provide s access to transceiver
operating voltages and relay
outlet.
( q ) KEY ;
Key jack for c ode operation.
(r) EXT VFO;
Connections for external V FO.
( s ) FUSE ;
Fuse holder re quires 5 amp fuse for 1 1 7 v olt or 3
amp fuse for 2 2 0 volt operation. D.C. p ower c ord
fuse 20 amp.
(t) POWER;
Power re ceptacle. Both AC and DC cables are
supplied.
contacts at this