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Maxon EM-4800 Operating Instructions Manual

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Model EM-4800
800 MHz
EDACS
/GE-MARC
®
®
Mobile Radio
Operating Instructions

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Summary of Contents for Maxon EM-4800

  • Page 1 Model EM-4800 800 MHz EDACS /GE-MARC ® ® Mobile Radio Operating Instructions...
  • Page 2 Improvements and changes necessitated by typo- graphical errors, inaccuracies of current information, or improvements to programs and/or equipment may be made by Maxon America Inc. at any time and without notice. Such changes will be incorporated into revisions or new editions of this manual.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Safety Information Safe Driving Recommendations for Mobile Radio Users Operating Procedures Introduction Front Panel Controls LCD Indicators Display Messages Alert Tones EDACS Operation Turning On the Radio Receiving a Call Sending a Call SCAT Operation Conventional Failsoft Scan Operation DTMF Microphone Operation GE-MARC Operation...
  • Page 4 TABLE OF CONTENTS, Continued Conventional Mode Operation Turning On the Radio Sending a Message Receiving a Message Squelch Adjustment Sending a Manually Entered Interconnect Call (Using the Optional DTMF Microphone) Scan Operation Maintenance and Basic Care Operator's Radio Setup Warranty Statement EDACS and GE-MARC are registered trademanes of Ericsson Inc.

  • Page 5: Safety Information

    SAFETY INFORMATION The operator of any mobile radio should be aware of certain hazards common to the operation of vehicular radio trans- missions. Possible hazards are: Explosive Atmospheres: Just as it is dangerous to fuel a vehicle with the motor running, be sure to turn the radio OFF while fueling the vehicle.
  • Page 6 SAFETY INFORMATION, Continued CAUTION Before jump starting, charging or changing the vehicle battery, remove the 10A fuse located in the red lead. This will insure that the radio is protected from damage during the battery charging process. Replace fuse when charging is completed.

  • Page 7: Safe Driving Recommendations For Mobile Radio Users

    SAFE DRIVING RECOMMENDATIONS FOR MOBILE RADIO USERS* Exercise caution when using a mobile radio. Become familiar with information on the safe operation of a mobile radio: • Keep both hands on the steering wheel and the micro- phone in its cradle whenever the vehicle is in motion. •...

  • Page 8: Operating Procedures

    OPERATING PROCEDURES Two-way FM radio systems must be operated in accordance with the Rules and Regulations of the Federal Communica- tions Commission (FCC). Operators of two-way radio equip- ment must be thoroughly familiar with the rules that apply to the intended type of radio operation. Following these rules will help to eliminate confusion, assure the most efficient use of existing radio channels, and result in a smoothly functioning radio network.
  • Page 9 OPERATING PROCEDURES, Continued The FCC requires the operator to identify himself at certain times by means of call letters. Refer to the rules that apply to the particular type of operation for the proper procedure. NOTE: The GE-MARC and EDACS trunking environments have automatic identification features built in and do not require the user to identify by means of call letters.

  • Page 10: Introduction

    INTRODUCTION The EM-4800 is a synthesized, microprocessor-based, FM mobile which provides reliable two-way communications in the Enhanced Digital Access Communications System (EDACS) trunking environment, GE-MARC trunking system and conven- tional communications systems. In the EDACS or trunked system mode, the user selects a communications system and group.

  • Page 11: Front Panel Controls

    INTRODUCTION, Continued NOTE: This radio allows the operator to switch between an EDACS, GE-MARC and conventional system. Special attention should be given to the system selected and the operating characteristics of the radio while working within that system. FRONT PANEL CONTROLS The operating controls are located on the radio's front panel: f) CLearR button a) Power On-Off / Volume control...
  • Page 12 FRONT PANEL CONTROLS, Continued Provides POWER ON/OFF-VOLUME KNOB: power to radio, adjusts receiving volume and powers off the radio. • • Scrolls GROUP/CHANNEL SELECT BUTTON: through the group or channel lists (depending upon programming) and provides selection from scan list, phone list, system, etc.) Used with select SYSTEM SELECT BUTTON: buttons above, permits selection of the desired...

  • Page 13: Lcd Indicators

    LCD INDICATORS The 7-character alphanumeric display identifies the selected system/group, operating modes or error conditions. There are also status indicators (defined below): Indicates the number of the current system in an EDACS, GE-MARC or conventional system. Indicates the number of the current group in an EDACS or GE-MARC system.

  • Page 14: Display Messages

    DISPLAY MESSAGES During radio operation, various messages are displayed on the LCD. Typical messages include radio operation (radio in programming mode) and error messages (radio failure). MESSAGE DESCRIPTION Out of range - no connection between radio and system site. Incorrect system selected, radio is out of coverage area, etc.
  • Page 15 ALERT TONES, Continued tones are heard, interrupting communications. Release and re-key the P-T-T button to maintain communications. This will reset the carrier control timer and turn the transmitter back on. A short low-pitched tone sounds to indicate a Key Press: button has been pressed.
  • Page 16 ALERT TONES, Continued TRUNKED OPERATION TONES - Clear To Talk: A short burst tone indicates that the radio has acquired a channel and the user may proceed to talk. TRUNKED OPERATION TONES - Available System: A short low-pitched tone indicates the radio is attempting to connect to the first available repeater.

  • Page 17: Turning On The Radio

    TURNING ON THE RADIO Rotate the power on/off-volume control clockwise, out of detent, to turn on the radio. A short beep (if enabled through programming) indicates the radio is ready for operation. The display will show the last selected system and group. If communication with the system's control channel cannot be established in the EDACS trunked environment, the NC (out of range) message will be displayed.
  • Page 18 EDACS OPERATION RECEIVING A CALL, Continued Individual Call If an individual call (directed only to your radio) is received, the radio unsquelches on the assigned group. The BUSY icon will light. If programmed, the individual call receive tones (one high-pitched followed by one low-pitched tone) will sound and the originator's ID (dependent upon programming) is displayed for a short time.

  • Page 19: Sending A Call

    EDACS OPERATION SENDING A CALL Turn the radio on and select the desired system and group. Ensure that no one is transmitting on the selected system and group and that the radio is in a service area. If the BUSY icon is showing on the LCD, place your call later.

  • Page 20: Scat Operation

    EDACS OPERATION SENDING A CALL, Continued Sending A Special Call, Continued When the signaling is successfully completed, Individual Call: BUSY is displayed and the clear to talk tone sounds. Speak directly into the microphone. Release the P-T-T button to listen for a reply.

  • Page 21: Conventional Failsoft

    EDACS OPERATION CONVENTIONAL FAILSOFT In the unlikely event of a failure of the EDACS system, communications may take place in conventional failsoft mode. The radio will be automatically directed to a com- munications channel set up for this purpose. During this mode of operation, CONV FS will be displayed.
  • Page 22 EDACS OPERATION SCAN OPERATION, Continued Group Scan, Continued The group the radio will transmit on while scanning. TX Select: The radio will be programmed to transmit on either the scanned group or the selected group. Pre-programmed list of groups that may be Scan List (privileges): scanned.

  • Page 23: Dtmf Microphone Operation

    DTMF MICROPHONE OPERATION When an optional DTMF microphone is used with the EM-4800 mobile radio, several features are available. These include manually entered individual and interconnect calls, user storage of individual and interconnect numbers, recall of user stored individual and interconnect numbers and enable/ disable of keypress alert tones.
  • Page 24 EDACS OPERATION DTMF MICROPHONE OPERATION, Continued Sending a Manually Entered Individual Call, Continued NOTE: To recall the last individual number entered manually from the keypad, press the 9 button. Press and hold the P-T-T button to initiate the call. The radio performs the necessary signaling required to obtain a working channel.
  • Page 25 EDACS OPERATION DTMF MICROPHONE OPERATION, Continued Sending a Manually Entered Interconnect Call, Continued NOTE: To recall the last individual number entered manually from the keypad, press the 9 key. Complete the telephone entry by pressing the button. A tone will sound after entry, indicating the digits are for an interconnect call.
  • Page 26 EDACS OPERATION DTMF MICROPHONE OPERATION, Continued Storing Individual and Interconnect Numbers, Continued Enter the ID or telephone number to be stored. The last digit entered will always be displayed on the far right. Any previously entered digits will scroll left. Only the last seven characters will be visible at a time with the leading character scrolling off the display upon each new entry.
  • Page 27 EDACS OPERATION DTMF MICROPHONE OPERATION, Continued Recalling Manually Stored Individual and Interconnect Numbers desired storage location number (0-9). Press the 9 button. If the number is from the individual call list, the ID number will be displayed. If the number is from the interconnect call list, the last seven digits of the telephone will be displayed.
  • Page 28 EDACS OPERATION DTMF MICROPHONE, Continued Recalling Manually Stored Individual and Interconnect Numbers, Continued When the signaling is successfully completed, Individual Call: BUSY is displayed, the red TX indicator lights and the clear to talk tone sounds. Press the P-T-T and speak directly into the microphone.

  • Page 29: Ge-Marc Operation

    GE-MARC OPERATION TURNING ON THE RADIO Rotate the power on/off-volume control clockwise, out of detent, to turn on the radio. A short beep (if enabled through programming) indicates the radio is ready for operation. The display indicates the last selected system/area and group. RECEIVING A CALL Turn on the radio and adjust the audio level.

  • Page 30: Sending A Call

    GE-MARC OPERATION RECEIVING A CALL, Continued Group Call When the radio receives a group call, it unsquelches on the assigned channel and the BUSY icon appears. If programmed on, the group call receive tone (a single tone) will sound. The group name originator's ID (if programmed) will be shown in the display.
  • Page 31 GE-MARC OPERATION SENDING A CALL, Continued A sequence of five beeps will sound if the radio cannot access a channel due to being out of range of the GE-MARC system or an inoperative radio. Any subsequent call requests will be ignored for 20 seconds.

  • Page 32: Dtmf Microphone Operation

    GE-MARC OPERATION SENDING A SPECIAL CALL, Continued When the signaling is successfully completed, Individual Call: the BUSY icon appears and the clear to talk tone sounds. Hold the microphone about 3 inches from your mouth and speak normally into the microphone. Release the P-T-T button to listen for a reply.
  • Page 33 GE-MARC OPERATION DTMF MICROPHONE OPERATION, Continued Sending A Manually Entered Individual Call Press the SPC button to put the radio into the special call mode or button 7 to put the radio into conference call mode. The SYS icon displays "SP" and the GRP icon displays last accessed call number from the pre-programmed special call list for this area.
  • Page 34 GE-MARC OPERATION DTMF MICROPHONE OPERATION, Continued Sending A Manually Entered Individual Call, Continued return to normal operation. PHONE and icon will disappear. Key press: SPC, 0 - 9 , P-T-T, Key press (conf. call): SPC, 0 - 9 , P-T-T, Sending A Manually Entered Interconnect Call Press the SPC button to put the radio into the special call mode or button 7 to put the radio into conference call mode.
  • Page 35 GE-MARC OPERATION DTMF MICROPHONE OPERATION, Continued Sending A Manually Entered Interconnect Call, Continued When the signaling is successfully completed, the BUSY icon will appear and the proper DTMF tones will be sent and heard at the speaker. If the signaling is unsuccessful, the radio will remain in the special call mode and sound the appropriate alert tone(s).
  • Page 36 GE-MARC OPERATION DTMF MICROPHONE OPERATION, Continued Storing Individual and Interconnect Numbers, Continued Press the SPC button to put the radio into the special call mode or button 7 to put the radio into conference call mode. The SYS icon displays "SP" and the GRP icon displays last accessed call number from the pre-programmed special call list or it will be blank if no special call list is programmed for this area.
  • Page 37 GE-MARC OPERATION DTMF MICROPHONE OPERATION, Continued Storing Individual And Interconnect Numbers, Continued Key press (storing an interconnect number): 0 - 9 , 0 - 9 Key press (storing an interconnect conference number: 0 - 9 , 0 - 9 Recalling Manually Stored Individual and Interconnect Numbers Key press (recall/place individual call): SPC, # , 0 - 9...

  • Page 38: Scan Operation

    GE-MARC OPERATION, Continued Recalling Manually Stored Individual and Interconnect Numbers, Continued initiate the call. The radio performs the necessary signaling required to obtain a working channel. When the signaling is successfully completed, Individual Call: BUSY is displayed, the red TX indicator lights and the clear to talk tone sounds.

  • Page 39: Direct Mode

    GE-MARC OPERATION SCAN OPERATION, Continued Group Scan, Continued scanned. Groups are added to the scan list on a per-system basis through PC programming. Each system's group scan list is retained in memory when the radio is turned off. Enable/Disable Group Scan To enable group scan, press the SCN button.
  • Page 40 GE-MARC OPERATION DIRECT MODE, Continued Receiving and Sending A Message Press the SYS button and use the !"or # button to select the direct mode system. The SYS display will indicate the current system selected. Press CLR to disable squelch and monitor the channel. Adjust the volume control to the desired audio level.

  • Page 41: Conventional Mode Operation

    CONVENTIONAL MODE OPERATION TURNING ON THE RADIO Rotate the power on-off/volume control clockwise, out of detent, to turn on the radio. A short beep (if enabled through programming) indicates the radio is ready for operation. The display will indicate the last selected system and channel. SENDING A MESSAGE Turn on the radio and adjust the power on-off / volume control to the desired audio level.

  • Page 42: Sending A Manually Entered Interconnect Call (Using The Optional Dtmf Microphone)

    CONVENTIONAL MODE OPERATION SQUELCH ADJUSTMENT, Continued radio and does not require adjusting. If it becomes necessary to adjust the squelch, use the following procedure. NOTE: The radio must be on a conventional system or an EDACS working channel (i.e., receiving a voice call) to adjust the squelch.

  • Page 43: Scan Operation

    CONVENTIONAL MODE OPERATION SENDING A MANUALLY ENTERED INTERCONNECT CALL, Continued At the completion of the call, press and hold the P-T-T and or # then press the key (as required by the radio system) to disconnect from the interconnect facility. SCAN OPERATION Only channels that are part of the radio's scan list may be scanned.
  • Page 44 CONVENTIONAL MODE OPERATION SCAN OPERATION, continued Add/Delete Channels, continued channel on the scan list. Select the desired channel. Press the SYS To add channels: button, then press SCN. The icon will appear and the channel will be added to the scan list. If the current channel is already in the scan list, the icon will display.
  • Page 45 CONVENTIONAL MODE OPERATION SCAN OPERATION, Continued Display While no signal is being received, the Channel Indicator: channel indicator will always show the selected channel. When an active channel is received, the channel indicator will show the received channel. When the SCN button is pushed, the radio Scan Indicator: will light the SCAN icon and begin scanning.

  • Page 46: Maintenance And Basic Care

    CONVENTIONAL MODE OPERATION SCAN OPERATION, Continued Transmitting While In Scan, Continued With off-hook scan enabled, moving Off-hook scan enabled: the microphone off-hook will not affect scan operation. The radio will continue scanning. If a signal is not being received, the radio will transmit on the selected channel. If a signal is being received, the radio can be PC programmed (using the "scan transmit channel"...
  • Page 47 CONVENTIONAL MODE OPERATION MAINTENANCE AND BASIC CARE, Continued source(s). If the radio fails to operate, the problem may be a defective fuse. Replace the fuse(s) with a similar type and size. The fuse may be obtained from the radio supplier or most electrical supply stores.

  • Page 48: Operator's Radio Setup

    OPERATOR'S RADIO SETUP Radio Type: Frequency Band: Operator's Name: SYSTEM SYSTEM TRUNKED (T) GRP/CHAN GRP/CHAN NUMBER NAME or CONV (C) NUMBER NAME...

  • Page 49: Warranty Statement

    (2) years, provided that the user has complied with the requirements stated herein. The warranty period begins on the date of purchase from an Authorized Maxon Sales and Service Outlet. This warranty is not assignable or transferrable. Maxon is not responsible for any ancillary equipment which is attached or used in conjunction with Maxon products.
  • Page 50 Maxon America, Inc. Business Radio Division 10828 NW Air World Drive Kansas City, Missouri 64153 Telephone: 816/891-6320 Fax: 816/891-8815 U.S. P/N: 680-090-2008 Printed in Korea...

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