Front controls, Built-in microphone, Microphone jack – Uniden UH-057 User Manual
Page 12: Numeric keypad
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Front Controls
Built-in Speaker - Audio Output
Built-in Microphone
- Speak into the microphone when
transmitting.
Speaker Jack - Connect optional external speaker here.
Microphone Jack
- Connect optional external microphone
here.
Numeric Keypad
- used for Direct Channel Keying, en
abling SELCALL Functions, selecting Priority Channel, and
programming SELCALL Codes,
UH-057
Page10
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