ICOM 301500 Manual Do Utilizador
36
4
RECEIVE AND TRANSMIT
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21
D Convenient functions for receive
• Preamp and attenuator (p. 45)
± Push
± Push
P.AMP
ATT
to turn the preamp ON or OFF.
•
“
” appears when the preamp is set to ON.
± Push and hold
P.AMP
ATT
for 1 sec. to turn the attenu-
ator ON.
•
Push
P.AMP
ATT
to turn the attenuator OFF.
•
“
” appears when the attenuator is set to ON.
• Twin PBT (passband tuning) (p. 46)
±
±
• AGC (auto gain control) (p. 45)
± Push
± Push
AGC
once or twice to select the time con-
stant for the AGC circuit fast and slow.
•
“F.AGC” appears when the fast time constant is se-
lected, and no indicator appears when the slow time
constant is selected, respectively.
lected, and no indicator appears when the slow time
constant is selected, respectively.
± Push and hold
AGC
for 1 sec. to turn the AGC
function OFF.
•
“AGC-OFF” appears on the display.
• Noise blanker (p. 49)
± Push
± Push
NB
to turn the noise blanker ON or OFF.
•
“
” appears when the noise blanker is set to ON.
± Push and hold
NB
for 1 sec. to enter the noise
blanker set mode, then rotate [DIAL] to adjust the
threshold level, or the blank time.
threshold level, or the blank time.
•
Rotate
[M-CH] to select an item.
• Noise reduction (p. 50)
± Push
± Push
NR
to turn the noise reduction ON or OFF.
•
“
” appears when the noise reduction is ON.
± Push and hold
NR
for 1 sec. to enter the noise
reduction level set mode, then rotate [DIAL] to
adjust the noise reduction level.
adjust the noise reduction level.
• Manual notch filter (pgs. 51, 52)
± Push
± Push
MNF
to turn the manual notch filter ON or
OFF.
•
“
” appears when the manual notch filter is set to
ON.
± Push and hold
MNF
for 1 sec. to enter the man-
ual notch filter set mode, then rotate [DIAL] to se-
lect the filter width from narrow, middle and wide.
lect the filter width from narrow, middle and wide.
• ¼ function (p. 78)
q Push and hold
q Push and hold
M-CH/RIT
SET
for 1 sec. twice to enter
the set mode.
w Rotate [M-CH] to select “DIAL ¼”.
e Rotate [DIAL] to turn the
1
⁄
4
function ON or OFF.
r Push
M-CH/RIT
SET
to exit the set mode and return to
normal operation.
• CW pitch control (p. 37)
q Push and hold
q Push and hold
M-CH/RIT
SET
for 1 sec. to enter the
quick set mode.
w Rotate [M-CH] to select “CW PITCH”.
e Rotate [DIAL] to set the desired CW pitch from
300 to 900 Hz in 10 Hz steps.
r Push
M-CH/RIT
SET
to exit the quick set mode and re-
turn to normal operation.
D Convenient functions for transmit
• Break-in function (p. 55)
q Push and hold
q Push and hold
M-CH/RIT
SET
for 1 sec. twice to enter
the set mode.
w Rotate [M-CH] to select “BK-IN”.
e Rotate [DIAL] to select the CW break-in operation
from full break-in, semi break-in or OFF.
• FL : Full break-in
• SE : Semi break-in
• OF : Break-in OFF
r Push
M-CH/RIT
SET
to exit the set mode and return to
normal operation.
• Keying speed setting (p. 38)
q Push and hold
q Push and hold
M-CH/RIT
SET
for 1 sec. to enter the
quick set mode.
w Rotate [M-CH] to select “KEY SPD”.
e Rotate [DIAL] to adjust the CW key speed from 6
to 60 wpm.
r Push
M-CH/RIT
SET
to exit the quick set mode and re-
turn to normal operation.