12346
59
Zoom out
Zoom in
Previous page
1/116
Next page
5
46
FUNCTIONS FOR RECEIVE
2001 NEW
Simple band scope
The band scope function allows you to visually check
signal conditions around a specied frequency. The IC-
7400s band scope function can be used in any oper-
ating mode and frequency band.
The band scope measures receive signal conditions
over a specied range on either side of a selected fre-
quency in either VFO or memory modes.
q Rotate the tuning dial to tune a frequency.
w While M1 is selected, push [F5 SCP] to select the
band scope menu.
Starts sweeping automatically with the previously se-
lected sweeping step.
During sweep, received signals cannot be heard.
e Push [F5 STEP] several times to select the desired
sweep step.
r Push [F1] to start sweeping, then stop automatically
after sweeping.
Push [F1] for 1 sec. to start continuous sweeping. In this
case, it is necessary to push [F1] to stop sweeping.
During sweep operation “” appears and received
signals cannot be heard.
If there is a lot of signal noise, turn the preamp OFF and
the attenuator ON to reduce the signal input level and
improve the readability of the band scope.
t When rotating the tuning dial and you nding a sig-
nal you wish to communicate on, then just commu-
nicate in the normal way.
If you want to return to the previous frequency (before
rotating the tuning dial), push [F3] for 1 sec.
If the selected frequency is set outside of the sweeped
range, ashes.
y While receiving, if you want to update the band con-
ditions, repeat steps e and r as above.
or
0.5k
STEP
Sweep indicator
Band scope indicator
Frequency indicator mark
Sweep step indicator
INDICATOR
Sweep
Band scope in-
dicator
Frequency
indicator mark
Sweep step
DESCRIPTION
While the band scope is sweeping, “” appears; while stopped “” appears. Received
audio is not emitted from the speaker while the band scope is sweeping.
Indicates the relative strength of signals and their location in relation to the center (displayed)
frequency. Signal strength is relative to the S-meter level, S1 to S9, with each vertical dot in the
band scope indicator equal to one segment of the S-meter. Signal activity is measured ±30
steps from the center frequency with each step equal to the selected sweep step.
After a sweep, indicates the relative position of the selected frequency. When the selected fre-
quency is outside of the sweep range, indicator flashes. After changing the fre-
quency, push [F3] for 1 sec. to automatically return to the center frequency.
Indicates the selected sweep step. 0.5, 1, 2, 5, 10, 20 and 25 kHz are selectable. Each dot of
the band scope indication is approx. equal to the selected sweep step.
or
F 1
F 2 F 3 F 4 F 5
F 1
F 2 F 3 F 4 F 5
Sweep step selectionSweep start/stop
O.5k
STEP
O.5k
STEP
Sweep indicator
IC-7400.qxd 02.4.2 11:35 Page 46
59


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Icom IC-7400 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Icom IC-7400 in the language / languages: English as an attachment in your email.

The manual is 5,89 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info