674745
17
Zoom out
Zoom in
Previous page
1/154
Next page
Page 15F
T-991
OperaTing Manual
insTallaTiOn anD inTercOnnecTiOns
key, keyer, And coMputer-driven keying interconnectionS
The
FT-991A
includes many features for the CW operator. These functions will be detailed in the “Operation” section
later. Besides the built-in Electronic Keyer, two key jacks are provided, one on the front and one on the rear panel, for
convenient connection to keying devices.
The Menu selections permit conguring the front panel
KEY
jack according to the device connected. For example, a
keyer paddle may be connected to the front panel
KEY
jack, and Menu item “
012 KEYER TYPE
used to select paddle
input.
The
KEY
jack on the
FT-991A
utilize “Positive” keying voltage. Key-up voltage is approximately +3.3V DC, and key-
down current is approximately 4 mA. When connecting a key or other device to the
KEY
jack, use only a 3-contact
(
“stereo”
)
3.5 mm phone plug; a 2-contact plug will place a short between the ring and shaft
(
ground
)
of the plug, result-
ing in a constant “key-down” condition in some circumstances.
Single key/Double-speed key Manipulator
DOT DASH COMMON
DOT DASH COMMON
KEY
KEY
NC GND
GND
If the Keyer plug is removed from the jack while the
FT-991A
is in operation,
the
FT-991A
may be switched to the transmit mode.
Turn off the power of the
FT-991A
before connecting or disconnecting the Keyer.
17


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 Yaesu FT-991A 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 Yaesu FT-991A in the language / languages: English as an attachment in your email.

The manual is 36,17 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