D Convenient Functions For Transmit; D About Cw Reverse Mode; D About Cw Pitch Control; D Cw Side Tone Function - Icom IC-7700 Instruction Manual

D Convenient functions for transmit

• Break-in function (p. 6-3)
➥ Push BK-IN several times to select the break-
in OFF, semi break-in and full break-in.
• " " or "
BKIN F-BKIN
in or full break-in function is ON, respectively.
l About the 5 MHz frequency band operation (USA version only)
See page 4-3 for details.

D About CW reverse mode

BFO
Interference Desired signal
CW mode (LSB side)

D About CW pitch control

• Filter set screen

D CW side tone function

" appears when the semi break-
Push
BFO
Interference Desired signal
CW-R mode (USB side)
[CW PITCH]
RECEIVE AND TRANSMIT
CW-R (CW Reverse) mode uses the opposite side
band to receive CW signals.
Use when interfering signals are near a desired signal
and you want to use CW-R to reduce the interference.
➥ During CW mode, push
CW-R mode.
The received CW audio pitch and CW side tone
can be adjusted to suit your preference (from 300 to
900 Hz in 5 Hz steps). This does not change the oper-
ating frequency.
➥ Rotate [CW PITCH] to suit your preference.
• Adjustable within 300 to 900 Hz in 5 Hz steps.
The filter set screen graphically displays the CW
pitch operations. (see at left)
➥ Push and hold
the filter set screen.
• The CW pitch frequency is graphically changed in 5
Hz steps when the selected IF filter passband width
is below 500Hz ("
when the selected IF filter passband width is above
600Hz ("
BPF
• Push
EXIT/SET
sec. to return to the previous screen.
When the transceiver is in receive (and the break-in
function is OFF— p. 6-3) you can listen to the CW
side tone without actually transmitting.
This allows you to match your transmit frequency ex-
actly to another station's by matching the audio tone.
You can also use the CW side tone (be sure to turn
OFF break-in!) to practice CW sending. CW side tone
level can be adjusted in level set mode (p. 12-6).
Matching the frequency of a transmitted and re-
ceived signal is called "Zero beat."
4-5
CW to select CW and
for 1 sec. to access
FILTER
BPF " appears), or in 25 Hz steps
" disappears).
or push and hold
FILTER
4
for 1