HP105/HP405 User manual
Page. 18
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”).
• Rapid charger. It recharges the battery packs in 1 hour and provides trickle charge when they reached
their full charge.
• 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.
• An headset with built-in microphone, which additionally add the VOX facility, in other words 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 doubt please contact
your authorized dealer.
SPK
Spk GND
MIC
MicGND
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