Ptt Button - Radio-tone RT-SHM1 User Manual

Major Operating Controls, Terminals and Their Functions
1. Power ON/OFF Switch
This is the power on/off switch. Push and hold this
switch until the status indicator light up to power on.

2. PTT Button

This is PTT button. Voice message will be transmitted
when push-and-hold this button.
3. Volume Control Buttons
These switches are used to control the volume of
connected mobile phone (work for most Android phones.
Maybe no effect for some old phones.).
4. Microphone
This is a audio input microphone.
5. Speaker
This is audio output speaker.
6. External Earpiece & Battery Charge Power Source Terminal
This terminal is used to connect to an earpiece, or external DC5V power source for battery charging.
7. Audio Input and Output plug
This 4-pin 3.5mm plug is used to plug into the earphone terminal of smart phone.
8. Status Indicator
This is the microphone status indicator.
Operation
Battery Changing
Turn On Power(push and hold the power button)
Push the PTT Button to Talk (when power is on)
Turn Off Power(push and hold the power button)
Standby & Receiving Call
Low Battery Power
Copyright © 2011-2014, Radio-Tone Company Limited. All Right Reserved.
Status Indicator
Light Up with RED color
Light up with GREEN color
Light up with GREEN color
Off
GREEN color 1 short blinking
GREEN color 4 short blinking
User's Guide
RT-SHM1