Yaesu FT-767GX, Руководство по эксплуатации

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Now t h e V FO d a t a i s moved i n t o t he m e m ory
c h a n n e l w h i l e you can r e t u n e the p revi o u s l y
s t ored m e m o ry d a t a. When y o u w i s h to r e c a l l
t he previous VFO data, just press t h e VFO
B'ill M
key again, and the data wil l be swapped again.
4. 1 0 Scanning
When t h e s q u e l c h con t ro l is adj u s t e d to si ­
l e nce the r e ce i v e r, e i t h e r t h e m e m o r i e s o r a
preselected frequency segment may be scanned
automatically.
Signals that are strong enough
t o open t h e s q u e l ch wi l l h a l t t h e s c a n ner.
Note that the RF AMP and ATT swi tches and the
4. 1 0. 2 Program mable Mem ory Scannin g ( PM S )
T h e P M S f e a t ure a l lows y o u t o s c a n a l l fr e ­
q u e n c i e s b e t w een those s t o r ed i n two a d j acent
m e m ory c h a n n e l s. The s t art i ng frequency and
mode o f the scanner are de t e r m i n e d by t h e
lower- numbered memory channel. Scanning steps
a r e 1 k H z for A M, 2.5 kHz fo r F M, or 100 Hz
for other modes.
Slow and fast
( x l O )
scanning
r a t e s are s e l e c t a b l e.
To use program m able memory scanning;
( 1 ) S t o r e t h e l o w e r a n d u p p e r l i m i t s
( § 4.9. 1 ) in adjacent memories ( o r
9
and
RF ( g a i n ) c o n t r o l m u s t be set for t h e des i red O,
with 9 being the lower- numbered mem-
sensi t i v i t y b e fo r e adjus t i ng the SQL con t ro l,
ory), and set the lower- numbered memory
a s t h e s e w i l l a f fect t he sque lch s e n s i t i v i ty.
to the desired mode.
4. 1 0. 1 Me mory C h annel Scanning
To scan the 10 memory channels:
( 1) P r e s e t the S Q L con t ro l to the poi n t
w h e r e backgrou nd n o i s e i s j u s t s i l e n ­
ced.
( 2) Press
MR
to recall the memories.
( 3 ) Press S CAN to start the scanner.
T h e f i r s t c h a n n e l h a v i ng a s i g n a l s t r o ng
enough to o pen the squelch wi ll halt the scan­
n e r, w h i c h can be r e s t a r t e d by p r e s s i ng the
S CAN key again.
To stop the scanner m anual ly, press the S CAN
k ey, PTT s w i tch ( b r i e f l y, on t h e m i c r o p h o n e ) ,
or the VFO AB key. The first two methods halt
o n t h e p r e s e n t l y rec a l l e d m e m ory, w h i l e the
l a t t e r also returns you to t h e V FO.
( 2) Preset the S QL c o n t r o l t o t h e po i n t
w h e r e b a ckground n o i s e i s j u s t s i l en ­
c e d.
( 3 ) While the lower- numbered memory is re­
c a l l e d ( § 4.9 . 2 ) , press P M S . ' P ' w i l l
b e d i s p l ayed i n p l ac e o f t h e me m ory
channel number, i ndicating that the PMS
system is now activated.
( 4 ) Press S CAN to start the scanner.
S c an n i ng s p e e d i s de t e r m i n e d b y t h e p o s i t i o n
of the FA ST switch.
S c a n n i ng can be m a n u a l l y h a l t e d by t h e PTT
s w i t c h or S C AN key, in w h i c h c ase t h e P M S
func t i on r e m a i ns ac t i ve ( ' P ' s t i l l d i s p l ayed ) ;
or by the VFO AB or MR key, in which case PMS
is cancelled and operation resumes on the VFO
or ( lower- numbered) memory, respectively.
4. 1 1
Split Frequency ( semi-duplex) Operation
Split frequency operation with the FT-767GX is
implemented by using the two VFOs*.
The of­
fset d i sp l ay and V FO t r a c k i ng f e a t u r e s m ak e
s p l i t oper a t i o n espec i a l l y conve n i e n t for w o r ­
king VHF and U H F ( or HF) repeaters.
* T h e c l a ri f i er can a l s o b e used fo r s p li t
o p e r a tion a s described in § 4 . 7.2, s i n c e t h e
c l a ri fier r a nge is t h e s a m e as t h e VFOs.
U si ng t h e c l a ri fier in t his way a l l ow s one
VFO to be preserved, but does not permit use
of the TRA C K function.
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