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Model PA-20R / PA-25R 

Megaphone

Thank you for purchasing the Califone

®

 Model PA-20R / PA-25R 

Megaphone.

We encourage you to visit our website www.califone.com to register your 

product for its warranty coverage, to sign up to receive our newsletter, 

download our catalog, and learn more about the complete line of 

Califone

®

 audio visual products, including portable and installed wireless 

PA systems, multimedia players and recorders, headphones and 

headsets, computer peripheral equipment, visual presentation 

products and language learning materials.

1. IMPORTANT SAFETY INSTRUCTIONS

 

Before using this product, read the instruction manual for important safety 

information. Please retain this manual for future reference and warranty 

information.

Troubleshooting & Servicing

 

Do not attempt to service or repair the device yourself. Refer all servicing 

to qualified service personnel. Do not attempt to modify the device in any 

way. Doing so could invalidate your warranty.

Moisture and heat sources

Do not use this apparatus near water (for example, sinks, baths, pools) or 

expose it to rain, moisture, dripping or splashing liquids. Do not expose 

the unit to high temperatures, high humidity or direct sunlight.

Cleaning 

When cleaning the device, please use a soft, dry cloth. Never use 

benzene, paint-thinner, or other chemicals on the device.

Location

Place the device in stable location, so it will not fall causing damage to 

the device or bodily harm.

Intended use

The product may only be used with the original parts intended for it.  

The product may only be used in closed and dry rooms.  The intended 

use includes adherence to the specified installation instructions. The 

manufacturer accepts no liability for damage arising due to improper use.

2. PACKAGE CONTENTS

•  PA-20R OR PA-25R Megaphone

•  PA-20R includes: 6pcs “C” (UM-2) size batteries

•  PA-25R includes: 8pcs “C” (UM-2) size batteries

•  User Manual

1.  Microphone Hanger

2.  Battery Compartment Latch

3.  TALK / SIREN Switch

4.  Shoulder Strap

5.  Microphone

6.  ON/OFF Switch

7.  Volume Control

8.  SPEAK / RECORD / PLAY 

Buttons

9.  POWER / RECORD 

Indicators

10. N/A Button (DISABLED)

califone.com

4. SETUP AND INSTALLATION

1.  Ensure the unit is off. To turn off the unit, slide the ON/OFF 

SWITCH to the "OFF" position.

2.  Open the BATTERY COMPARTMENT by pressing the latch and 

insert the “C” size batteries ensuring the proper battery polarity.

5. BASIC OPERATION

5.1 TALK / SIREN OPERATION

1.  Adjust the volume to minimum.

2.  Slide the ON/OFF SWITCH to the “ON” position. The POWER 

LED should light red.

3.  To amplify voice through the built-in microphone, switch the 

TALK / SIREN SWITCH to “TALK”. Then depress the SPEAK 

button and talk into the microphone.

4.  Increase the volume to the desired level.

5.  Alternatively, to amplify a siren sound through the speaker, 

switch the TALK / SIREN SWITCH to the “SIREN” position. 

NOTE: The volume knob does not adjust the siren volume.

6.  To turn off the unit, slide the ON/OFF SWITCH to the “OFF” 

position.

CAUTION: No person should stand within 15 feet of the megaphone 

while on. Avoid exposing listeners to excessive volume for long periods 

of time as this can result in hearing damage.

5.2 RECORDING / PLAYBACK OPERATION

1.  Adjust the volume to minimum.

2.  Slide the ON/OFF SWITCH to the “ON” position. The POWER 

LED should light red.

3.  To record voice from the built-in microphone, switch the TALK / 

SIREN SWITCH to “TALK”. Then depress the RECORD button 

and talk into the microphone. The REC LED should light. Press 

the RECORD button again to stop recording. NOTE: The unit will 

record up to 10 seconds and then automatically stop. Press the 

RECORD button again to disable record mode.

4.  To play back the recording, press the PLAY button. NOTE: The 

recording will continuously play until the PLAY button is pressed 

again.

5.  Increase the volume to the desired level

.

6.  To turn off the unit, slide the ON/OFF SWITCH to the “OFF” 

position.

califone.com

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PA-20R, PA-25R User Manual - JH 2009.10.28.indd   2

10/28/2009   10:08:42 AM

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