12376

Icom IC-7800 Manual

54
Zoom out
Zoom in
Previous page
1/206
Next page
4-6
DD
APF (Audio Peak Filter) operation
The APF changes the audio frequency response by
boosting a particular frequency to enhance a desired
CW signal.
The peak frequency can be adjusted with [DIGI-SEL]
control when “APF” is selected for “DIGI-SEL VR Op-
eration” in miscellaneous (others) set mode (p. 12-18).
q During CW mode, push [APF/TPF] to turn the audio
peak filter ON and OFF.
• “ ” appears in the display and [APF/TPF] indicator
above this switch lights green.
w Push [APF/TPF] for 1 sec. several times to select
the desired audio filter width.
• 320, 160 and 80 Hz filters are available.
e If “APF” is selected for “DIGI-SEL VR Operation,”
rotate [DIGI-SEL] control to suit your preference.
DD
About 137 kHz band operation (Europe, UK, Italy, Spain, France versions only)
137 kHz band, within the 135.7 kHz to 137.8 kHz
range, operation in CW mode is optionally available
with the IC-7800.
The RF signal from [X-VERTER] is used for the
137 kHz band operation, and an external amplifier unit
is necessary.
See the connection diagram below for reference.
• Connection diagram for 137 kHz band operation
PA
BPF
or
LPF
Power amplifier with T/R switching unit
for 137 kHz
to [X-VERTER]
to [RELAY] (for transmit/receive control)
to [ACC2] pin 6*
*Transverter ON/OFF control signal related to the power amplifier
unit main power, if desired.
• ON: 2–13.8 V DC input (more than 10 kΩ impedance)
• OFF: Less than 2 V DC
APF
[DIGI-SEL]
(SUB)
[DIGI-SEL]
(MAIN)
[APF/TPF]
(MAIN)
[APF/TPF]
(SUB)
4
RECEIVE AND TRANSMIT
… 54 …


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-7800 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-7800 in the language / languages: English as an attachment in your email.

The manual is 26,33 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