Midland Radio 75-440 Basic Operations, Switching the radio on and OFF, Adjusting volume

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75-440 User manual

Basic Operations

Switching the radio ON and OFF

To switch the radio on:

1)Rotate the “PWR/VOL” knob clockwise until the radio is switched on. The CPU will start an auto test as follows:

LED will glow GREEN, then RED and turn OFF.

LCD will display all segments and icons. The letters "PS"("PASS") will be displayed followed by a long beep.

LCD will display the last operating mode.

The self-test goes very fast.

2)After the auto test has been carried out LCD will show the following data:

The channel number. (2 numeric characters).

NOTE: About 0.5 second after you select a new channel or change operation mode, the last status is automatically saved. When the Radio is turned on, the most recently used channel is displayed.

NOTE: the following icons will be displayed depending on the operating mode.

The currently selected TX output power: LOW for low or nothing for high in the lower left corner of the LCD.

A small “•” is displayed in the lower right corner of the LCD if the channel is in the SCAN list. (if enabled)

A “P” is displayed to show that the channel is in the priority Scan list. ( if enabled)

“SAT” in the upper left corner indicates that the channel is a GROUP CHANNEL (for CTCSS or DCS tone if enabled).

Battery” icon when visible indicates battery is low.

VOX” is displayed when “VOX” function is enabled.

A “Key” icon to indicate that the keypad is locked.

NOTE: When “VOX” is enabled, ““PTT”” button is not working.

NOTE: When keypad is locked; only “PTT” button is enabled (with exception of VOX enabled).

To switch the radio off, rotate the PWR/VOL knob counterclockwise.

Adjusting volume

The PWR/VOL knob is used to adjust the RX volume: turn it clockwise to increase or counterclockwise to reduce it.

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Contents 75-440 UHF Handheld Gmrs Transceiver Setup This book…Limited Warranty Safety IntroductionFCC Licensing Information Page Conventions and Symbols in this Book Part Names and their functions TopFront Side left and right Display Setup UnpackingInstalling and removing the battery pack Fitting and removing the AntennaInstalling/removing the belt clip Charging the battery packTo remove the belt clip Switching the radio on and OFF Adjusting volumeTo switch the radio on Basic OperationsChannel selection ReceivingMonitor Button Channel Freq. MHz FRS Ch DuplexAdjusting Transmit Power TransmittingUsing a Priority Channel Scanning channelsActivating, Deactivating Normal Scan Reviewing the Scan-ListRadio lock Selecting Dual WatchAdvanced Operations Handsfree Transmit VOXPaging Call Setting Group Mode CTCSS/DCS codes To enable or disable Key BeepRoger Beep Key BeepDCS Battery Packs Information on rechargeable batteriesRadio maintenance Cleaning battery packsOptional accessories Microphone connectorPage Quick reference Operation referenceService Microphone connector IndexPaging Limited Warranty