Midland Alan 78 Plus Multi B Instruction Manual

Alan 78Plus Multi B

” I N

STRUCTION GU I DE

UK

1

INDEX

Introduction Pag.1

Function and location of the controls Pag. 2

Installation Pag.4

Power supply Pag. 4

Installing an antenna Pag. 4

How to operate with your transceiver Pag. 4

Frequency band selection Pag. 4

Frequency band chart Pag. 5

Technical specifications Pag. 6

Your ALAN 78PLUS MULTI B represents the state-of-the art in high-tech en-

gineering. Designed for the Citizen Band Mobile operation, this compact

package is big in performance. It is a quality piece of electronic equipment,

skillfully constructed with the finest components. The circuitry is all a solid-

state, mounted on rugged printed circuit boards. It is designed for many ye-

ars of reliable, trouble-free performance.Your mobile CB has a built Phase-

Locked Loop synthesizer circuit.

The PLL circuit achieves a new technique for generating all the required fre-

quencies with fewer crystals. The result is much tighter frequency control and

superior reliability.

2

FUNCTION AND LOCATION OF THE CONTROLS

1. Channel selector

2. Multifunction backlighted display. It shows:

A. Channel selected number
B. The received signal strength and the power of the transmitting

signal

C. AM/FM mode

D. RX/TX:TX=transmit mode; RX=receive mode
E. SCAN mode
F. EMG mode
G. Frequency band selected.
H. LOW: displayed when the radio transmits in low power (this

mode is possible with some frequency bands only – see the
Frequency band chart).

I. LOCK: microphone (UP/DOWN buttons) lock enabled.

3. ”EMG” button: Emergency channel. By pressing it, you will be auto-

matically positioned on CH 9 (emergency channel). The display will
show “EMG”. It will not be possibile to change accidentally the chan­nel.

4. 5. “Q.UP/Q.DOWN” buttons: To skip 10 channels UP (Q. UP) or 10 chan-

nels DOWN (Q.DOWN).

6. “AM/FM”(LCR) button: To select AM or FM mode. If you switch on the

unit and push “AM/FM”(LCR) and “SCAN” at the same time, you will
select the operating band, which will be visualised on the display.
If you select a frequency band operating in FM mode only, this button
enables the LCR function (Last Channel Recall).

7. “SCAN” button: With this control, you can automatically seek for a

busy channel.
Turn the Squelch clockwise until the background noise is no longer
heard.
Press the “SCAN” button: the transceiver will scan automatically all the
channels.
If you switch on the unit and push “SCAN” and “AM/FM”(LCR) at the
same time, you will select the operating band, which will be visualised
on the display.

8. “Squelch” Control: For the maximum receiver sensitivity, the control

must be regulated exactly where the receiver background noise
disappears.

9. “ON/OFF Volume” Control. In “OFF” position your transceiver is OFF.

Turn this control clockwise to switch on the unit. Turn the knob
clockwise a little more to set the audio level, until you get a comforta­ble reception.

10. Microphone jack: Insert the mic connector into this jack.

ALAN 78 PLUS

MULTI

CHANNEL

EMG Q.UP Q.DOWN AM/FM SCAN

SQUELCH ON/OFF VOL

MICON/OFF

3 4 5 6 7

9 1021 8

88

CH

5

9

+30

SIG

0.5

1 2 3 4 PWR

FM
AM

LOW

SCAN

EMGLOCK

TX

RX

LCR

1

3

88

CH

1

3

5

9

+30

SIG

0.5

1 2 3 4 PWR

A

C E

G

D

FI

B

H

LOW

SCAN

TX

RX

FM
AM

EMGLOCK

UK

3

REAR PANEL

11. ”EXT” jack: external loudspeaker jack.(the internal loudspeaker is

excluded)

12. Power 12.6V DC: power supply cable

13. S.Meter jack: it allows an external “S. Meter” connection

14. Antenna connector (SO239 connector type)

MICROPHONE

1. PTT: transmission button

2. UP/DOWN buttons: manual channels selector.

3. LOCK button: it allows you to lock the UP/DOWN buttons.

4. 6 pin microphone connector

EXT

S. METER

ANTENNA

111213 14

4

2

1

3

4

INSTALLATION

Safety and convenience are the primary consideration for mounting any pie­ce of mobile equipment. All controls must readily available to the operator
without interfering with the movements necessary for safe operation of the
vehicle. Set the proper position in the car to install the transceiver using the
supplied supporting bracket or eventually the slide bracket. Tighten the retai­ning screws. The fixing bracket must be close to metallic parts.

POWER SUPPLY

Be sure the transceiver is OFF. In the direct-voltage power supply, is very im­portant to observe the polarity even if the unit is protected against the acci­dental inversion:
Red = positive pole (+)
Black = negative pole (-)
The same colors are present on the battery and in the fuse box of the car.
Correctly connect the cable terminal to the battery.

ATTENTION: To obtain best performances we recommend to install the ra­dio in a place with enough air circulation.

INSTALLING AN ANTENNA

1. Place the antenna as high as possible

2. The longer is the antenna, the better will be the performance

3. If possible, mount the antenna in the center of whatever surface you
choose

4. Keep antenna cable away from noise sources, such as the ignition switch,
gauges,etc.

5. Make sure you have a solid metal-to-metal ground connection.

6. Prevent cable damage during antenna installation.

WARNING: To avoid damage, never operate your CB radio without connec­ting a proper antenna. A periodical control of the cable and of the S.W.R. is
recommended.

REPLACING FUSE

If you replace the fuse for DC power Cord, use F 2A 250V type. The parameters
and the symbol of the fuse are indicated in the following label.

F2A 250V +

HOW TO OPERATE WITH YOUR TRANSCEIVER

1. Screw the microphone plug into the microphone jack.

2. Make sure your antenna is securely connected to the antenna connector.

3. Make sure the SQUELCH control is turned fully counterclockwise.

4. Turn on the unit and adjust the volume control.

5. Select your desired channel.

6. To transmit, press the PTT button and speak in a normal tone of voice.

7. To receive, release the PTT button.

FREQUENCY BAND SELECTION

The frequency bands must be chosen according to the country where you
are going to operate.

Procedure:

1. Switch off the unit.

2. Turn it on while pushing the “AM/FM” e “SCAN” buttons at the same time.

3. Rotate the “CHANNEL” knob and select the desired frequency band (see
the chart here below).

4. To stop your selection, press the “AM/FM” button.

NOTE1: In the UK frequency band, you can select directly the EC band by
pushing the “AM/FM” button for 2 seconds.

NOTE

2

: If you select a frequency band which operates in FM mode only, the

“AM/FM” control enables the LCR function (last channel recall).

UK

5

FREQUENCY BAND CHART

Digits displayed Country

I Italy 40 CH AM/FM 4Watt
I2 Italy 34 CH AM/FM 4Watt
D Germany 80 CH FM 4Watt / 12 CH AM 1Watt

D2 Germany 40 CH FM 4Watt / 12 CH AM 1Watt
D3 Germany 80 CH FM 4Watt / 40 CH AM 1Watt
D4 Germany 80 CH FM 4Watt / 40 CH AM 4Watt
EU Europe 40 CH FM 4Watt / 40 CH AM 1Watt
EC CEPT 40 CH FM 4Watt

E Spain 40 CH AM/FM 4Watt
F France 40 CH FM 4Watt / 40 CH AM 1Watt

PL

Poland 40 CH AM/FM 4Watt

UK England 40 CH FM 4 Watt English frequencies + EC 40

CH FM 4Watt CEPT frequencies

ATTENTION!
The frequency band definitely allowed all over Europe is 40 CH FM 4W (EC).

6

TECHNICAL SPECIFICATIONS

GENERAL

Channels .......................................................................(see the frequency band chart)

Frequency Range* .......................................................................26.565-27.99125 MHz

Duty cycle (% on 1 hour) ......................................... TX 5% - RX 5% - Stand-by 90%

Frequency Control .......................................................................................................... PLL

Operating Temperature Range .....................................................................-10°/+55° C

DC input voltage ...................................................................................... 12.6V DC ±10%

Size ............................................................................................180 (L)x35 (H)x140 (P) mm

Weight ........................................................................................................................ 0,850 kg

RECEIVER

Receiving system ..................................................dual conversion superheterodyne

Intermediate frequency ........................................ I° IF: 10.695 MHz • II° IF: 455 KHz

Sensitivity .............................................................. 0.5µV for 20 dB SINAD in FM mode

...................................................................................0.5µV for 20 dB SINAD in AM mode

Audio output power @10% THD .......................................................... 2.0 W @ 8 Ohm

Audio distortion ............................................................................. less than 8% @ 1 KHz

Image rejection ............................................................................................................. 65 dB

Adjacent channel rejection .......................................................................................65 dB

Signal/Noise ratio .........................................................................................................45 dB

Current drain at stand/by .......................................................................................250mA

TRANSMITTER

Output power ........................................................................................................... 4W max

Modulation ......................................... AM: from 85% to 95% FM: 1,8 KHz ± 0,2 KHz

Frequency response .....................................................................................300 Hz/3 KHz

Output impedance .................................................................. RF 50 Ohm unbalanced

Signal/Noise Ratio ...............................................................................................40 dB MIN

Current drain ............................................................................................................ 1100mA

* (covering all approved EU frequency bands)

Specifications are subject to change without notice.
A readily accessible disconnect device shall be incorporated in the installation wiring.
The disconnect device shall disconnect both poles simultaneously.

Hereby, CTE International declares that this device is in compliance with the essential
requirements and other relevant provisions of Directive 99/05/EC.