Page 2 - TABLE OF CONTENTS; Page
NOTICE! This manual covers Ericsson and General Electric products manufactured andsold by Ericsson Inc. NOTICE! Repairs to this equipment should be made only by an authorized servicetechnician or facility designated by the supplier. Any repairs, alterations orsubstitution of recommended parts made b...
Page 4 - SAFETY INFORMATION
SAFETY INFORMATION The operator of any mobile radio should be aware of certain hazards common to the operation of vehicular radio transmissions. A list of possible hazards are: 1. Explosive Atmospheres Just as it is dangerous to fuel a vehicle with the motor running, besure to turn the radio off whi...
Page 6 - OPERATING PROCEDURES; Use of profane or obscene language is prohibited by Federal law.
OPERATING PROCEDURES Two-way FM radio systems must be operated in accordance with the rules and regulations of the Federal Communications Commission (FCC). Operatorsof two-way radio equipment must be thoroughly familiar with the rules thatapply to the intended type of radio operation. Following thes...
Page 7 - INTRODUCTION
INTRODUCTION This manual describes how to use the MDX Conventional Mobile Radio. The MDX is a synthesized, microprocessor-based, high performance simplexmobile FM radio providing reliable two-way communications. Direct mobileto mobile communication, when out of repeater range, is also provided. In t...
Page 8 - Figure 1 - MDX SCAN Radio; PWR
Channel/SELRamp scrolls throughthe names of channelsprogrammed into theradio, displaying themon the Dot Matrixdisplay. Two Flex Keysgive you one-touchaccess to the menu oroptional features.Optional keycaps areavailable to identifythe functions ofpre-programmedbuttons, including T99decode, Scan Add/D...
Page 9 - The MDX Conventional mobile radio contains ten buttons, an eight; CONTROLS; POWER; MENU
CONTROLS, INDICATORS, AND DISPLAYS The MDX Conventional mobile radio contains ten buttons, an eight character DOT MATRIX display and seven indicators (see Figure 1). Inaddition, there are times when part of the eight character display is used todisplay the radio status. Backlighting on buttons illum...
Page 10 - Figure 2 - MDX System Radio
System Switch scrollsthrough the names ofthe systems and/orchannels program-med into the radio,displaying them onthe Dot Matrix display. Two Flex Keysgive you one-touchaccess to the menu oroptional features.Optional keycaps areavailable to identifythe functions ofpre-programmedbuttons, includingScan...
Page 11 - CLR
CONTROLS (CONT’D) MENU - Cont. ALARM ON/OFF: Press the MENU button until"ALM ON" or "ALM OFF" appears in the display.Press the CHANNEL/SEL + or - buttons until thedesired state is selected. (Note: This enables ordisables the external alarm, e.g. horn or lights.) SQUELCH Press and hol...
Page 13 - ALERT TONES; T99 CALL RECEIVED; OPERATING THE RADIO
DISPLAY ALPHA INDICATORS - Cont. T99 Off Menu display indicating T99 option is disabled. Pub Addr Public address option enabled. ALERT TONES The MDX Conventional mobile radio generates a set of unique alert tones to indicate operating status. The following section identifies and describes thealert t...
Page 15 - Press the SCAN button to alternate between Scan on (SCN indicator; TX
3. Decide what you want to say. If you intend a lengthy message (orseveral messages), the vehicle engine should be running to maintainthe battery charge. 4. Observe the BSY indicator and then press CLR the switch to assurethat the channel is not in use. 5. Remove microphone from the hanger, press th...
Page 16 - Press the CLR button when completed to return to normal operation.; RECEIVER SCAN RATE
3. Press the CHANNEL/SEL (+) button until the desired priority levelis displayed by the scan priority indicators on the right side of thedisplay; the choices are S, P2; P1 or all off (all off removes the channelfrom the SCAN list). 4. Press the CLR button when completed to return to normal operation...
Page 17 - Scan operation will be determined by the following conditions:; USING THE RADIO WITH SCAN; to the SELECTED channel.; Display; Channel indicator
Scan operation will be determined by the following conditions: • PRIORITY 1, PRIORITY 2 and NON-PRIORITY PROGRAMMEDThe Priority 1, Priority 2 and up to 14 remaining channels will bescanned. Once a carrier is detected (and if programmed, the correctChannel Guard is decoded), the display will indicate...
Page 18 - SCN indicator; Transmitting While In Scan:
SCN indicator When the SCAN button is pushed, the radio will light the SCN indicator and begin scanning. The SCN indicator will flash when the microphone isplaced off-hook to show the radio is no longer scanning (only if the radio isPC programmed not to scan off-hook). Transmitting While In Scan: Tr...
Page 19 - Channel Changes In Scan; Temporary channel deletions
Monitor (CLR) Switch Operation In Scan The CLR switch does not operate while scanning inactive channels. When a channel becomes active, the CLR switch operates only during the scan hangtime after the channel activity disappears. Channel Changes In Scan Pushing the channel switches (UP or DOWN) while...
Page 23 - disabled or inoperative.; DTMF; available while in the Aegis Digital Mode.; AEGIS VGE DIGITAL MODES; The Aegis VGE digital mode allows the radio to transmit encrypted
CLEAR MODES In clear mode the radio transmits and receives only analog voice signals. These analog signals are non-digitized and non-encrypted. Clear modetransmissions can be easily monitored by unauthorized persons. Channelsprogrammed for clear operation cannot transmit or receive Aegis digitalmess...
Page 24 - TRANSFERRING KEYS INTO THE RADIO
When operating on a channel programmed for digital mode, all transmissions will be digital transmissions and the radio will receive clear anddigital signals. The PVT light turns on when the private mode is enabled. Ifthe selected channel is programmed for autoselect capability, the mode maybe toggle...
Page 27 - be pushed before the T99 option may be disabled.; Public Address Option; Make sure the radio is turned ON.
OPTIONS Type 99 Option If the Type 99 Option is present, individual selective calling is possible. Press the programmed Flex key or use the menu and CHANNEL/SEL keys toenable the decoder option (Scan must be off). The LED display will show theoption status: "T99 ON" or "T99 OFF". Pre...
Page 28 - INTERNAL/EXTERNAL SPEAKER; OR
OR 1. Make sure the radio is turned ON. 2. Press the A1 or A2 button (pre-programmed). When PUB ADDRappears in the display press the PTT switch to transmit the micro-phone audio to the external speaker. 3. After the PA operation is completed, press the A1 or A2 button toreturn to normal operation. I...
Page 30 - WARRANTY
WARRANTY A. Ericsson Inc. (hereinafter "Seller") warrants to the original purchaser for use (hereinafter "Buyer") thatEquipment manufactured by Seller shall be free from defects in material, workmanship and title, andshall conform to its published specifications. With respect to any ...
Page 31 - NOTES