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70-440 User manual
Page.
20
supplied belt clip.
• Headset with built-in microphone: Will additionally add the VOX facility, 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.
• All accessories should be hi-quality suitable for professional use.
, Please do not connect any accessory that you are not sure meet the above stated
requirements. You could cause serious damage to your radio. In if your not sure please
contact your authorized dealer.
SPK
Spk GND
MIC
MicGND