Fixed Station Operation - Kenwood TS-711A Instruction Manual

@ FIXED STATION OPERATION
@ Antenna
Yagi antennas (ARRAY)
Ground plane
antenna
|
Rotor Control cable
@ Connections
Antenna
Use an antenna of 50 ohms
impedance. The antenna can
be connected through an M
type coaxial cable connector.
|44MHz
Key
For CW operation
the key through a phone
plug. Use shielded cable.
connect
Ground
To prevent electric shock, TVI and BCI,
select a good grounding location: Con-
nect the unit to the ground using a heavy
earth line and an appropriate earthing
rod. The earth line should be as short as
possible.
O sud
aca
Srannat
nonag
HN,
UGuuuty
ngre 7
External speaker
A speaker is included in the unit. If you
wish to use an external speaker, connect
it by using the supplied speaker plug. A
communication-use (low/high cut type)
speaker rated at 4 ~ 8 ohms is reco-
mended. The option speaker (SP-430) is
designd to perfectly match th
ST-711A/E. Plugging in an extrnal
speaker will automatically disconnect the
built-in speaker. Do not connect the
speaker to the PHONES jack, as this jack
has a level adjusting resistor.
Connection of electric
Power supply
sure to observe the following points:
1. Turn off the power switch.
(or battery) with care.
damage to the unit
The unit is designed to operate on AC (120/240/220V) or DC (13.8V)
Switching between AC and DC is accomplished by replacing th power
cord (DC power cord optional.). When connecting Ithe power cord, be
2. When replacing the power cord, disconnect it from the AC supply
Failure to observe the above procedure might result in electric shock or
When connecting an external speaker, be
careful not short circuit the AF output
The speaker cord should be of a shielded
type and should be as short as possible
to prevent RF from being induced.
@ MOBILE INSTALLATION [GENERAL]
®@ Installation location
Using the optional mounting bracket, install the trans-
ceiver under the dashboard in your car. If your car is
equipped with electronic fuel injection, the transceiver
should be as far from the control equipment as possible.
@ Antenna installation
Note:
For gutter-mount installation, the antenna bracket must be
grounded to the car body as shown on the following page.
@ Power supply
® Ignition noise
19