Midland Radio 75-440 user manual Optional accessories, Microphone connector

75-440 User manual

Optional accessories

These optional accessories can be used to improve the transceiver’s performances:

•Spare battery pack number 81B02. It extends the duty time.

•Rapid charger number 18-388. Recharges the battery packs in 1 hour and provides trickle charge when they reached their full charge.

•Carrying case. Protects your radio against small shocks and scratches the best for use in hard environments.

WARNING, RF exposure

Your wireless hand-held portable transceiver contains a low power transmitter. When the Push-to-Talk (PTT) button is pressed sends out radio frequency (RF) signals. The device is authorized to operate at a duty cycle factor not to exceed 50%. In august 1996, the Federal Communications Commissions (FCC) adopted RF exposure guidelines with safety levels for hand-held wireless devices. The FCC has issued the following warning,

To maintain compliance with the FCC’s RF exposure guidelines, this transmitter and its antenna must maintain a separation distance of at least 2 inches (5 centimeters) from your face. Speak in a normal voice, with the antenna pointed up and away from the head at the required separation distance. The belt clip is for storage only. DO NOT TRANSMIT WHILE USING THE BELT CLIP. To transmit, hold the device away from your body and ensure the antenna is at least 2 inches (5 centimeters) from your body when transmitting.

Microphone connector

The microphone connector is designed for the connection of two basic accessories (not supplied as standard):

•External speaker/microphone: Allows you to use the radio secured to your belt by means of the supplied belt clip.

•Headset with built-in microphone: Will additionally add the VOX facility, For further details please see “Hands free transmission (VOX)”.

Any kind of accessory for the above stated purposes can be connected to the microphone connector, provided that they meet the following requirements:

•Jack connectors for Speaker (SPK) and Microphone (MIC) must be respectively standard type 3.5 mm and 2.5 mm. and connected as follows:

MicGND

MIC

SPK

Spk GND

Spk

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