Alan HP446, User Manual

Page: 40 / 47

Mic GND
MIC
SPK
Spk GND
16 Optional accessories
Optional accessories
These optional accessories can be used to improve the transceiver’s
performances:
• Spare battery pack. It extends the duty time and minimizes the
possibility of memory effect (please see “Memory effect”).
• Carrying case. It protects your radio against small shocks and
scratches; the best for use in hard environments.
Microphone connector
The microphone connector is designed for the connection of two
basic accessories (not supplied as standard):
• An external speaker/microphone, which allows to use the radio
firmly secured to your belt by means of the supplied belt clip.
• A headset with built-in microphone, which additionally adds the
VOX facility: you can switch the transmission just by talking at
the headset’s microphone in hands free convenience. For further
details please see “Hands free transmission (VOX)”.
Any kind of accessory for the above stated purposes can be connected
to the microphone connector, provided that they meet the following
requirements:
• Jack connectors for Speaker (SPK) and Microphone (MIC) must
be respectively standard type 3,5 mm and 2,5 mm. and connected
as follows:
• The suggested speaker input impedance is 8 Ohms.
• The microphone should be condenser low-impedance type.
• Any accessory should be hi-quality suitable for professional use.
Please don’t connect any accessory which you are not sure
meet the above stated requirements. You could create
serious damages to your radio. In case of doubts please
contact your authorized dealer.
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