Section 4
Operation
23
4
Operation
Once installed, operating the Loudmouth
®
radio receiver requires no human contact.
Portable, base station or mobile 2-way radios can deliver voice messages to a PA speaker
with a simple press of the PTT button for either live or recorded playback. This section
describes the subtle differences in operation for various Loudmouth
®
options and
installations.
4.1
Basic Operation
Basic operation is defined as a Loudmouth
®
receiver programmed on a dedicated radio frequency with a QC or DQC code.
The receiver is also programmed for 50% volume and a pre-announce tone.
1. Move to an area that is away from the Loudmouth
®
speaker to prevent feedback.
2. Be sure the microphone on the calling radio is pointed away from the Loudmouth
®
speaker.
3. Set the portable, base station, or mobile radio to the Loudmouth
®
channel.
4. Monitor the channel before transmitting to be sure there are no other radio users on the Loudmouth
®
frequency.
5. Press and hold the PTT button and pause for about 1 second, allowing the pre-announce tone to be heard.
6. Speak into the radio microphone to broadcast your message over the Loudmouth
®
speaker. If other radios are operating
on the Loudmouth
®
channel they will also hear your message.
7. Release the PTT button when your message is complete.
8. Return the portable, base station, or mobile radio to the normal operating channel.
4.2
Selcall Paging
To access the Loudmouth
®
the 2-way radio must be programmed to send the correct Selcall code every time the PTT is
pressed. The user simply presses the 2-
way radio’s PTT and speaks while on the Loudmouth
®
channel. Only 2-way radios
programmed to send the correct Selcall code on the Loudmouth
®
channel can access the Loudmouth
®
wireless PA speaker.
1. Move to an area that is away from the Loudmouth
®
speaker to prevent feedback.
2. Be sure the microphone on the calling radio is pointed away from the Loudmouth
®
speaker.
3. Set the portable, base station, or mobile radio to the Loudmouth
®
channel.
4. Monitor the channel before transmitting to be sure there are no other radio users on the Loudmouth
®
frequency.
5. Press and hold the PTT button.
6. Wait until the entire Selcall code has been sent, and then an additional 1 second for the pre-announce tone.
7. Speak into the radio microphone to broadcast your message over the Loudmouth
®
speaker. If other radios are operating
on the Loudmouth
®
channel they will also hear your message.
8. Release the PTT button when your message is complete.
9. Return the portable, base station, or mobile radio to the normal operating channel.
With Selcall Paging operation:
Selcall paging can be used in conjunction with QC or DQC for added security. The 2-way radio and the
Loudmouth
®
receiver must be programmed for the same QC or DQC code
.
