Midland ALAN 48 EXCEL MULTI User Manual

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memory and “SCAN” function activation. In this case, you can automatically seek
for a busy channel:
• turn the squelch clockwise until the background noise is no longer heard;
• press the “M3 - SCAN” button: “SCAN” will be shown on the display and the
transceiver will automatically scan all the channels until a carrier is being
received.
This function can be deactivated in three ways: pressing the PTT button, turning the
channel selector or simply pushing any other button on the unit.
12. “M4/LCR - AM/FM” button
Stores the memory number 4 and selects the operative mode (AM/FM). AM: green
LED; FM: red LED. If you select a frequency band operating in FM modulation only,
this button activates the LCR function (Last Channel Recall).
13. “M5 - LOCK” switch
Pressing this button, you memorize the fth (last) memory and activate the “LOCK”
function (it allows the locking of the keyboard, channel selector and “UP/DN” buttons
on the microphone, thus avoiding accidental use of the keys).
14. N.K. button
Pressing this switch, you activate the reducing noise device (see introduction).
15. “MIC” knob
The amplication of the voice in TX must be adjusted with this knob. The optimum
level of the modulation must be found with the help of your receiving partner.
16. “RF” knob
It controls the reception sensitivity.
To increase sensitivity, simply turn it clockwise. Sensitivity decreases turning it
counterclockwise.
17. “VOL” knob
It allows the switching on of the unit and sets the volume to a comfortable audio
level.
18. “Squelch” knob
For the maximum receiver sensitivity, the control must be regulated exactly where
the receiver background noise disappears.

Midland ALAN 48 EXCEL MULTI Specifications

Operating Environment

operating temperature range	-10°/+55° C
frequency range	26.565 - 27.99125 MHz
frequency control	PLL

Power

dc input voltage	13.2/24 Vdc ±15%
current drain at standby (13.2V)	450mA
current drain at standby (24V)	520mA

Receiver Specifications

receiving system	Dual conversion superheterodyne
intermediate frequency	I°IF:10.695 MHz II°IF:455 KHz
sensitivity	0.5µV for 20dB SINAD in AM/FM

Transmitter Specifications

output power	duty cycle 10% 4W AM/FM @ 13.2 Vdc
modulation	FM:1.8KHz ± 0.2khz AM: 85% to 95%
frequency response	400 Hz ÷ 3 KHz

Weight and Dimensions

size	150(L) x 45(H) x 175(D)mm
weight	1Kg