19
- There are two types of antenna: pre-regulated which should be used on a
good ground plane (e.g. car roof or lid of the boot), and adjustable which
offer a much larger range and can be used on a smaller ground plane
(see
§
HOW TO ADJUST SWR
, below)
.
- For an antenna which must be fixed by drilling, you will need a good contact
between the antenna and the ground plane. To obtain this, you should lightly
scratch the surface where the screw and tightening star are to be placed.
- Be careful not to pinch or flatten the coaxial cable (as this runs the risk of
break down and/or short-circuiting).
- Connect the antenna (
B
).
c)
Fixed antenna
- A fixed antenna should be installed in as clear space as possible. If it is fixed
to a mast, it will perhaps be necessary to stay it, according to the laws in
force (you should seek professional advice). All PRESIDENT antennas and
accessories are designed to give maximum efficiency to each transceiver
radio within the range.
OUTPUT RADIUS PATTERN
3) POWER CONNECTION
Your PRESIDENT RONALD 10/12 M is protected against an inversion of polarities.
However, before switching it on, you are advised to check all the connec-
tions. Your equipment must be supplied with a continued current of 12 volts
(
A
). Today, most cars and lorries are negative earth. You can check this by
making sure that the negative terminal of the battery is connected either to
the engine block or to the chassis. If this is not the case, you should consult
your dealer.
WARNING:
Lorries generally have two batteries and an electrical installation
of 24 volts, in which case it will be necessary to insert a 24/12 volt converter
(type CV 24/12 PRESIDENT) into the electrical circuit. The following connection
steps should be carried out with the power cable disconnected from the set.
English
a)
Check that the battery is of 12 volts.
b)
Locate the positive and negative terminals of the battery (
+
is red and
-
is
black). Should it be necessary to lengthen the power cable, you should use
the same or a superior type of cable.
c)
It is necessary to connect your transceiver to a permanent (
+
) and (
-
).
We advise you to connect the power cable directly to the battery (as the
connection of the transceiver cable to the wiring of the car-radio or other
parts of the electrical circuit may, in some cases, increase the likelihood of
interference).
d)
Connect the red wire (
+
) to the
positive terminal of the battery
and the black (
-
) wire to the
negative terminal of the battery.
e)
Connect the power cable to your
transceiver radio.
WARNING:
Never replace the
original fuse by one of a different
value.
4) BASIC OPERATIONS TO BE CARRIED OUT BEFORE USING YOUR
SET FOR THE FIRST TIME (without transmitting and without using
the “push-to-talk” switch on the microphone)
a)
Connect the microphone
b)
Check the antenna connections.
c)
Turn the set on by turning the
VOL
knob (
1
) clockwise.
d)
Turn the squelch
SQ
knob (
2
) to minimum.
e)
Adjust the volume to a comfortable level.
f)
Go to a center band frequency channel by using
PUSH
knob (
5
) or
UP
/
DN
keys (
11
) on the microphone.
5) HOW TO ADJUST SWR (Standing Wave Ratio)
Warning:
This must be carried out when you use your radio for the first time
and whenever you re-position your antenna. This adjustment must be carried
out in an obstacle-free area.
* Adjustment with external SWR meter (e.g. type TOS-1 PRESIDENT)
a)
To connect the SWR meter:
- Connect the SWR meter between the unit and the antenna, as close as pos-
sible to the set (use cable (15.75"/ 40 cm maximum) type CA-2C PRESIDENT).
b)
To adjust the SWR meter:
- Set the radio to a center band frequency in AM.
