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声控发射(VOX)
VOX(声控)操作允许进行免提发射。该功能必须先由经销商
激活,且仅在使用支持的头戴式耳机时才可用。经销商可以关闭
特定信道的VOX功能。若要激活VOX并设置VOX增益电平,请
执行以下操作:
1 将头戴式耳机连接至通信机。
当头戴式耳机未连接至通信机的配件端子时,不会激活
VOX功能。
2 在关闭通信机电源的情况下,请在按住侧面按键1的同时打
开通信机电源。
3 继续按住侧面按键1,直至听到哔音。
• LED指示灯将亮橙色。
松开侧面按键1时,通信机会播报VOX增益电平的值。
4 按侧面按键1,在关闭或 1(最低灵敏度)到10(最高灵敏
度)之间设置VOX增益电平。
侧面按键2可启用或禁用当前信道的VOX功能(通过用
信道开关选择信道,可以更改相应信道的此项设置)。启
用时,会听到一声哔音。禁用时,会听到两声哔音。
当扇区指向空信道时,按侧面按键2会发出出错提示音。
5 PTT开关,保存设置。
此时可听到一声哔音。
通信机会播报新VOX增益电平的值。
6 关闭并重新打开通信机电源,从而激活VOX
7 如果设置了通信机密码模式,用户必须输入正确的密码才能
进入VOX设置模式。
注:
如果带状态记忆的键盘锁定功能处于打开状态,则无法进入VOX设置
模式。
在打开VOX功能的情况下,如果通信机上连接有头戴式耳机,而且
VOX增益电平设为高灵敏水平,则过大声音的接收信号可导致通信机
开始发射。
如果20秒内未执行任何操作,通信机就会退出VOX设置模式。
48


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