User's Manual

5
2.3 Status Indication LED
User can check the current status of PX-Series Radio by the color of LED and the status
indication will be as follows.
① When the transmission status is normal, the red LED will be on.
② When the reception status is normal, the green LED will be on.
③ When the data of CTCSS or DCS code is not being received due to mismatch,
the green LED blinks.
④ In case of Low battery, the red LED blinks and an alert sound is heard.
2.4 Speaker Mic. Jack
When using external speaker microphone and when making PC programming/Cloning/Tuning,
the Jack is used and is designed to be compatible with Motorola external speaker microphone
for more efficient use of PX-Series Radio.
2.5 Speaker
For dynamic sound quality and better sound, PX-Series is designed with Ø45 speaker built-
in.
2.6 Emergency Key
If you press the Emergency Key in an emergency situation, an emergency siren sound will be
heard through the speaker in the Radio and the Radio will transmit an emergency signal to the
party through the emergency channel.
2.7 PTT Button
If pressing the PTT button, the status indication LED lights in red color and the Radio is
converted to transmission mode. If releasing the PTT button, the Radio is converted to
reception mode or standby mode. It is recommended to talk about 5~7cm away from the
microphone for using in better sound quality and for better voice communication.
Also, by using PTT button and other button, it is possible to set up the RF Power.
① PTT button + Menu button : The Radio is converted to High Power(5W) and the status
indication LED lights in red color.
② PTT button + Monitor button : The Radio is converted to Low Power(2W) and the status
indication LED lights in orange color.