4. Put the Headgear or Ear Mic on position.
Caution: Maker a better contact of Microphone and Speaker of Headgear to your head. Loose
contact may cause insufficient audio performance as like deterioration of microphone sensitivity
or low audio volume from the speakers. When Ear Mic is used, remember to select the ear tip
either Medium or Large for your comfortable fit to your ear, and insert the earpiece as deep as
possible into your ear canal. Loose contact of Ear Mic to your ear may cause insufficient audio
performance as like deterioration of microphone sensitivity or lack of intelligibility in transmit
audio.
Caution: Ear Mic is NOT waterproof. DO NOT use in the water or under heavy rain or splash of
water.
OPERATION
1. Select the communication mode as appropriate for your operation.
Operation Mode:
PTT
Function:
Either PTT Button on the radio or Remote PTT Switch connected to the radio is
being in function.
Operation Mode:
VOX
Function:
Built-in VOX is being in function. The transmission is automatically keyed on
by your speech. Your message is sent with slight delay at 0.5 sec for avoiding
clipping of the first part of speech. PTT operation via PTT Button on the radio or
Remote PTT Switch remains in function.
Operation Mode:
NOISE CANCEL
Function:
Either PTT Button on the radio or Remote PTT Switch connected to the radio is
being in function. Digital noise suppression is added on the transmit signals. This
DSP controlled noise cancellation is to selectively suppress the audio elements that
are not being recognized as human voiced sounds. Due to this digital processing, a
slight deterioration of audio quality is observed.
Operation Mode:
NOISE CANCEL VOX
Function:
Built-in VOX is being in function. The transmission is automatically keyed on by
your speech. Your message is sent with slight delay at 0.5 sec for avoiding clipping
of the first part of speech.
Digital noise suppression is added on the transmit signals. This DSP controlled noise
cancellation is to selectively suppress the audio elements that are not being
recognized as human voiced sounds. Due to this digital processing, a slight
deterioration of audio quality is observed. PTT operation via PTT Button on the
radio or Remote PTT Switch remains in function.
2. Select the RF output power between Hi (2W) and Lo (200mW) by RF Output Power Selector
according to the Group’s range of activity.
3. Select the Group number by Group Selector Switch where your communication is to be established.
4. Power the radio ON by turning the Power/Volume Switch clockwise, and set the volume level at 12
o’clock position. You can adjust the volume level as appropriate for your operation.
5. In PTT operation, press and hold on the PTT Button on the radio, or press and hold on the Remote
PTT Switch, to engage Transmit status for sending your message. Release the PTT Button, or
Remote PTT Switch, to return in Receive/Stand-by status.
6. In VOX operation, start to speak in normal voice to automatically engage the Transmit status. If the
