Operation Manual

English

3 DESCRIPTION OF PARTS

3.1 Description of parts and commands

1. Antenna connector

2. ON/OFF/VOLUME knob - turns the equipment on/off and adjusts

audio volume.

3. LCD display - the LCD (liquid crystal) display constantly shows

the operating status of Alan 445 Sport and functions currently in

use.

4. SPK, MIC CHG sockets (on the radio’s side, under a protective

rubber ﬂap) - perform the following functions:

• SPK and MIC CHG - jack sockets respectively for the speaker

and external microphone. Used together, these are used for

connection of optional accessories, such as microphones,

speakers, head/earphones, etc. Also, the MIC CHG socket

is used for connecting the (optional) standard MW904 wall

battery charger.

5. button - conﬁrms the selected setting.

6. button - for scrolling downwards numerically through the tuned

channels and for setting functions.

7. Internal microphone - the transmission microphone is located

here.

8. Internal speaker - the speaker is located here.

9. Contacts for battery charging (bottom of the radio) - for

connecting the (optional) CA445 intelligent, table-top battery

charger.

10. button - for scrolling upwards numerically through the tuned

channels and for setting functions.

11. F (Function) button - for accessing the various programming

functions and settings of the radio.

12. button (Monitor) - activates display backlighting, and

excludes (temporarily or permanently) the circuit which silences

the receiver in the absence of signals (squelch) so as to receive

signals that are extremely weak.

13. HI/LO button–selects high or low transmission power and

activates/deactivates the keypad lock

14. CALL button - sends a two-tone audio call on your currently

selected channel.

15. STW (Stop Watch - Chronometer) button - recalls the

chronometer function.

16. PTT (Push To Talk) button - when pressed, this button sends