RT-SHM1
User’s Guide
Copyright © 2011-2014, Radio-Tone Company Limited. All Right Reserved.
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
Status Indicator
Battery Changing
Light Up with RED color
Turn On Power(push and hold the power button)
Light up with GREEN color
Push the PTT Button to Talk (when power is on)
Light up with GREEN color
Turn Off Power(push and hold the power button)
Off
Standby & Receiving Call
GREEN color 1 short blinking
Low Battery Power
GREEN color 4 short blinking
