9 Optional accessories
These optional accessories can be used to improve the transceiver's per-
formances:
• Spare battery pack. It extends the duty time and minimizes the pos-
sibility of memory effect (please refer to the chapter 8.1).
• Carrying case. It protects your radio against small shocks and scrat-
ches; the best for use in hard environments.
• Slow battery charger. Please refer to paragraph 4.5.
• Rapid battery charger. Please refer to paragraph 4.5.
• External microphone/speaker. Please refer to paragraph 9.1
• Headset with built-in microphone and PTT/VOX switch. Please
refer to paragraph 9.1
9.1 Microphone/speaker or Headset with microphone
The accessories connector (under the cover cap) has been 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 and PTT/VOX switch, 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 refer to the paragraph 7.2.
9.1.a Contacts layout
Any kind of accessory for the above stated purposes can be connected
to the microphone connector, provided that they meet the following
requirements:
20
Optional accessories
• Jack connectors for Speaker (SPK) and Microphone (MIC) must be
respectively standard type 3,5 mm and 2,5 mm. and connected as
follows:
Mic GND
Spk GND
• The speaker input impedance should be 8 Ohms.
• The microphone should be condenser low-impedance type.
• All the accessories should be hi-quality suitable for professional use.
Do not connect any accessory if you are not sure it meets the
above stated requirements. You could seriously damage your
radio. In case of doubt please contact your authorized dealer.
9.1.b Connection
For details about the microphone/speaker and the headset/microphone
connections please refer to the paragraph 7.2.a
In order to avoid damages to the device, put the cover cap in its
place again when the accessory connector is not used.
MIC
SPK.