Motorola MDPMMN4027A

Speaker microphone for Motorola portable radios of series GP340, GP360, GP380..

Handheld microphone for professional equipment. This device provides a practical communication means by incorporating a speaker, microphone, and PTT in a small handheld or clip accessory.

Operation: 

Connecting the RSM to the radio telephone. To connect the RSM to the radio telephone:

• Turn off the radio telephone.
• Remove the universal connector seal from the side of the radio telephone and connect the RSM.
• Turn on the radio telephone.

Instructions for carrying the RSM:

For optimal operation of the RSM, position the radio telephone and RSM so that the auxiliary cable does not cross or contact the antenna. Also, try to place the radio telephone and accessory close together to avoid strain on the accessory connector.

Reception:

When the RSM is connected to the accessory connector of the radio telephone, the radio telephone speaker is muted and sound is only heard from the RSM speaker. Similarly, when an audio accessory is plugged into the 3,5 mm audio connector (MDPMMN4021 l), the RSM audio is forwarded to the secondary accessory.

Transmission:

To transmit using the RSM:

• Press and hold the PTT (Push-To-Talk) button on the RSM.
• Speak into the RSM.
• Release the PTT when finished.

Note: when the RSM is connected to the radio telephone, the PTT and microphone of the radio telephone are not disabled.

Removing the RSM:

Turn off the radio telephone before removing the RSM from the accessory connector. Remember to reconnect the accessory connector seal on the side of the radio telephone when not using an accessory.