Kenwood Comprehensive Guide to the Features of TS-440 and TS-440S Marine Radios

@ Standby switch

This switch is used when you want to manually con. trol transmit or receive.

SEND: Places the radio into transmit.

REC: Places the radio into receive.

The Standby switch is also used to clear an entry dur-

ing direct entry of VFO frequencies, or when entering a memory channel.

~ ALC/PWR/SWRmeter switch

ALC meter

Used to monitor the drive level in USB, LSB, and AFSK

modes.

PWR meter

Used to indicate the output power. Note that this meter is a peak reading meter, not an average reading meter.

SWR meter

Used to indicate the Standing Wave Ratio of the an- tenna and feedline connected to the ANT connector when the AUTO/THRU switch is in the THRU position.

@ ATT (Attenuator) switch

The incoming receive signal level is attenuated by ap

proximately 20 dB when this switch is activated.

When the incoming receive signal is very strong (20 dB over 5-9), the signal should be attenuated to pre- vent distortion of the signal, thereby stabilizing the

receiver performance. This is easily done by activat- ing the A TT switch. This control is also useful when a strong signal is near your desired signal, while some loss will occur to the desired signal as well as the un- desired signal, the use of the attenuator will sometimes allow you to complete the 050.

@

NB {Noise Blanker} switch

When

pulsating

noise,

such

as that

caused

by

automo-

bile

ignitions

is

encountered,

place

the NB

switch

ON.

This

will

provide

approximately

40

dB's

of

attenuation

to this

interfering

signal.

If

there

is no

noise

present,

the

switch

should

be

in the

OFF position.

This

switch

will

not

help

to

eliminate

atmospheric

or

line

noises,

only

pulse

type

noise.

@ VOICE switch

When	the	optional			VS-1	voice	synthesizer		unit	is	in-
stalled	the		operating			frequency		will	announced
whenever	the		VOICE		switch		is depressed.		For	a	dial
frequency		of	14.200.0			the	frequency		will	be	an-
nounced	as;		"one",		"four",		"point",	"two",	"zero",
"zero",	"zero",			"zero".
Please	refer	to	page		28 for	installation		instructions		con-
cerning	the	VS-1		Voice		Synthesizer.

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