MAX638
Contents
1. Privacy Plus Trunked Mobile Radios MOTOROLA MOTOROLA 2 YEAR WARRANTY We thank you for purchasing our Motorola radios These radios are manufactured according to the highest quality standards set and are backed by Motorola s two 2 year warranty The rechargeable Motorola batteries have a one 1 year warranty Kindly approach your dealer for more information WARNING To qualify for warranty the following applies DO NOT attempt to modify or repair your radio Use Motorola supplied accessories and batteries in connection with the radio Should you have any queries or need assistance please contact Singapore Telephone Fax 65 2812053 2874181 Beijing Telephone Fax 86 10 4610273 4610277 Fill in the details of your radio below for your own reference Model Name No Serial Number Date of Purchase Dealer Name Address Telephone MOTOROLA mF 4 MAX638 A Radio On Off and Volume Control B Three LED Indictors C Display D System Selector E Talkgroup Selector F Transmit Key PTT G Microphone Connector NOTE Keep this page open for easy reference as you go through the user guide Copyright Information The Motorola products described in this manual may include copyrighted Motorola computer programs stored2. Program External Direct v v v PHONE Button pressed SCAN Button pressed CALL Button pressed Display Character Summary Di 10 splay Character Summary The MAX638 radio has a 3 character display The character displayed on the left side of the display indi cates type of incoming calls while the other two char acters displayed on the right side indicate current dispatch or conventional mode In trunking dispatch mode the digit displayed the middle indicates the system which can be any digit between 9 0 0 10 The character dis played on the right side indicates the talkgroup which can be any letter between A through P In conventional mode both digits indicate the cur rent conventional channel which can be any num ber between 01 through 10 Self test ESE When the radio is turned on this display appears while the self test is in process External Alarm Hon This display indicates horn and lights are and can be activated by Call Alert or Phone Call Telephone Interconnect This display indicates that you have received an incoming phone call u This display indicates that you have answered the incoming call or you are making a call Monitoring E This display appears after you have pressed the Monitor button Display Character Summary Private Conversation Call This display indicates yo
3. engaged To receive a Call A standard telephone Interconnect Receive features are as follows When a landline subscriber wants to call a particu lar radio he she should dial the interconnect termi nal phone number If a line is free the landline subscriber will hear a phone ring tone and the dis play will show to indicate a received call 21 Telephone Interconnect To answer take the microphone off the hook and press phone button The radio will be removed from dispatch operation and the display will show Press the PTT switch to talk and release to listen To terminate call press again the phone but ton e If a mobile unit is equipped with the Horn Lights feature engage it before you leave the vehicle When a call is received the vehicle s horn will sound or the lights will flash for six seconds 22 SmartZone AMSS Roaming Features SmartZone AMSS Roaming Features SmartZone Operation Radios that operate in a SmartZone system will enjoy the benefits that SmartZone offers over AMSS opera tion SmartZone is a wide area coverage system that will allow up to 50 sites to be operational in the sys tem SmartZone brings several enhancements over AMSS operation such as Dynamic Site Assignment Allows the zone con troller to dynamically assign channels at sites where required as opposed to bringing up chan nels at all sites as AMSS systems do Variable Density Allows
4. Sear ssr 26 Automatic Multiple Site 85 26 27 27 Turning Scan 2 lt ees 27 Contents Programming Viewing a Scan 27 Nuisance 29 Talkback 29 Off Hook Suspend 5 29 Horn Lights eee ine when 30 0 2 2 2 55554 5 ee 31 Important General Safety Information 32 Radio Care 35 Limited 36 General Information General Information With the MAX638 mobile radio you have made an excellent choice Motorola offers high stan dard of Motorola products Your MAX638 mobile radio has left our factory only after extensive tests When installing or removing the mobile radio from the vehicle the radio must be switched off NOTE This user guide describes the way a standard radio works Since standard operation may be changed by programming both concerning the Functions which the radio includes and the But tons used to activate them the way your radio operates may differ from what is described here If in do
5. be properly grounded accord ing to Motorola installation instructions for safe operation All equipment should be serviced only by an autho rized technician Antenna and Replacement Do not use the mobile with a damaged antenna Replace a damaged antenna immediately Use only the supplied or approved antenna Unauthorized antennas modifications or attach ments could damage the mobile and may violate FCC regulations e Driving Check the laws and regulations on the use of mobile radios in the areas where you drive Always obey them Also when using your mobile while driving please give full attention to driving pull off the road and park before making or answering a call if driving conditions so require Vehicle Electronic Equipment RF energy may effect some electronic systems in motor vehicles Check with your vehicle manufac turer s representative to be sure your mobile will not affect the electronic systems of your vehicle 33 Important General Safety Information 34 Consult your physician or the manufacturer of any personal medical devices such as pace makers hearing aids etc to determine if they are ade quately shielded from external RF energy The operation of inadequately shielded medical devices may be adversely affected when a mobile is ON Children Do not allow children to play with your mobile It is not a toy Children could damage the mobile or make cal
6. do so choose the proper mode from the mode list In the unlocked mode automatic roaming the radio switches between the repeater sites as one goes out of range and another comes within range In the locked mode the radio will remain on the cur rent site even if you go out of range of that site Both Site Lock Unlock and Forced Site Search are available through the menu button When you are in Site Unlocked Mode and want to change to Site Locked Mode Press the Menu button until the display shows Press the 9 Select button to enable Site Lock The display will change to SL 24 SmartZone AMSS Roaming Features When in Site Locked Mode and you want to change to Site Unlocked Mode Press the Menu button until the display shows 5L e Press the 9 Select button to enable Site Unlocked The display will change to SUL CAUTION When enabling the Site Lock function you are dis abling the automatic roaming functions of the radio If you are unsatisfied with the coverage chosen by the automatic site selection of the radio we recom mend that you use the Forced Site Search feature instead of Site Lock to gain improved coverage at a new site 25 SmartZone AMSS Roaming Features Forced Site Search When you are in a poor coverage area and are not sat isfied with the automatic site selection of the radio you can activate the Forced Site Search function to scan for a new s
7. in semiconductor memories or other mediums Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs including the exclusive right to copy or reproduce in any form the copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this instruction manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents or patent applications of Motorola except for the normal non exclusive royalty fee license to use that arises by operation of law in the sale of a product 1996 by Motorola Inc All Rights Reserved Motorola Malaysia Sdn Bhd Company No 12631DE Bayan Lepas Free Industrial Zone Phase Ill 11900 Penang Malaysia Printed in Malaysia Motorola and Channel Scan trademarks of Motorola Inc Contents Contents General Information 3 Functions Of The Buttons 4 General Operation 5 Radio ON OFF and Volume Control Knob 5 Features And Advantages Of Trunking 6 Types of TONGS sc o csacs dee besa deeaper tend 7 Modes of Opera
8. knob A clockwise or counter clockwise as required NOTE Ignition must be connected to the mobile radio If not the radio will turn off Turn the radio off by turning the knob A counter clockwise NOTE If the radio sounds the error tone and displays an error message please contact the person in charge of your radio system or your local service represen tative Features And Advantages Of Trunking Features And Advantages Of Trunking A trunked radio system allows a large number of users to share a relatively small number of frequencies with out interfering with one another When a mobile opera tor keys the microphone to establish communication with someone else in the system the system automat ically assigns a communication path a repeater and its frequency As soon as the conversation ends the repeater becomes free for other users Motorola Trunked Radio System has a central controller that does the automatic frequency assignment Some of the key benefits of the overall Motorola Trunked Smartnet Radio System are No channel monitoring required prior to transmis sion Fast channel access Automatic channel selection Privacy among members of the same group Uninterrupted conversations Only one attempt is required to access the system If all channels are busy the call request enters a queue and the central controller automatically assigns the next available channel A h
9. sites to have varying num bers of channel resources to accommodate low density areas as well as high density areas Automatic Site Registration Deregistration Smart Zone radios automatically send in their unit IDs and current mode selections upon power up power down site switches talk group changes and when they exit emergency operation This allows the zone controller to know where the radio is at all times and also what talkgroup the radio has selected Enhanced FailSoft Operation If a site experiences a complete failure it will revert to failsoft operation like today s SMARTNET system A SmartZone radio however can be programmed in the list of control modes The radio will periodically scan the control mode to check for the presence of a valid control mode in case the radio roamed into a site which is trunking 23 SmartZone AMSS Roaming Features Locking and Unlocking a Site As in AMSS you can force the radio to stay locked onto a site Yet you can still force the radio to scan to another site while the site is locked The radio will automatically become site locked to the next site it finds Site Switching in SmartZone When the radio unlocked state is out of range it will automatically scan for a new site from list of 32 channels Site Lock Unlock e If the radio is programmed to include SmartZone or AMSS it requires to designate the site from which it should start operating on the system To
10. adio holds the channel open for about three seconds Press the PTT and begin your transmission VALID KEY High Pitched Chirp tone Signifies button press was accepted Proceed with desired function INVALID KEY Bonk tone when button press is rejected Inoperative feature or illegal but ton press in current operating mode Radio is not programmed for this function or exit a current operat ing mode and access desired function TIME OUT TIMER Low pitched con tinuous baaah Present transmission will end in four seconds Finish your transmission before your transmitter is disabled Features And Advantages Of Trunking Modes of Operation Mode of Operation Other Calls which can be Received TALKGROUP Announcement Calls Private Conversation Calls Call Alert Pages Systemwide Calls Telephone Calls ANNOUNCEMENT TALK GROUP All Talkgroup Calls Private Conversation Calls Call Alert Pages Systemwide Calls Telephone Calls PRIVATE Conversation Announcement Calls Systemwide Calls Call Alert Encode Announcement Calls Systemwide Calls TELEPHONE INTERCONNECT Systemwide Calls Display Icons Display Icons The display icons which appear on the display are External Alarm Selected Scanning Notin Use L Programming Monitor Direct 7 22 Scan Not Used gt
11. alls with another unit normally a supervisory unit A single press of the Call button activates Private Conversation The display will show 1 L 4 Vv To select a mobile ID fro the ID list press the talk group or talkgroup v button Each mobile ID is identified as PC1 PC2 and so on till PC8 Select the desired ID and press the PTT switch to send the call To return to the last used talkgroup press home button Private Conversation Decode 18 When a Private Conversation call is received two beeps are heard and the display shows Press the Call Button The display will show Private Conversation NOTE If you press the PTT switch before you press the Call button the response will be transmitted to everyone in the talkgroup To return to the last used talkgroup press the fe home button 19 Telephone Interconnect Telephone Interconnect Your radio is equipped with a telephone interconnect option that allows you to call land line telephones through the system Calls made through the central controller are half duplex operation talk or listen To place a Call Full Interconnect Capability If your radio is equipped with a DTMF microphone you may place mobile to land calls To initiate calls Press button Momentarily the display shows If a free channel is available the display will show PHa AA You will hear dial tone Select a phone number from the list
12. by using talkgroup or talkgroup v button After selecting the desired phone location press the PTT switch You will hear tones as they are being sent out When the desired number has been completely sent out you will hear either a busy tone or ring tone If you get a busy tone hang up by pressing the phone button and try again If illegal bonk tone sounds when phone button is pressed it indicates that the telephone interconnect option has not been enabled and the telephone call cannot be made 20 Telephone Interconnect If radio is in queue and suddenly a constant out of range tone sounds the system is not allowing any more interconnect calls After the called party answers inform him her that you are using a radio and that he she must wait for the radio to finish transmitting indicated by a soft beep before replying Proceed in a normal push to talk manner by pushing the PTT switch to talk and release to listen maximum time period is determined by the traffic load of the System Central Controller If a high pitch tone sounds it alerts you that you have just 15 seconds to complete your conversation before the call will be disconnected disconnect the call press the phone but ton If the call is not disconnected an illegal func tion baaah tone will sound after a short period Other type of calls except system wide calls will not be allowed while the telephone interconnect is
13. d specifications or the FCC type acceptance labeling in effect for the Product at the time the Product was initially distributed from Motorola F Scratches or other cosmetic damage to Product surfaces that does not affect the operation of the Product MOTOROLA shall have no liability whatsoever with respect to any claim of pat ent infringement which is based upon the combination of the Product or parts fur nished hereunder with software apparatus or devices not furnished by MOTOROLA nor will MOTOROLA have any liability whatsoever for the use of ancillary equipment or software not furnished by MOTOROLA which is attached to or used in connection with the Product 36
14. e you must exit and reenter scan mode Talkback Delay You may talkback during a detected activity for a pre programmed RSS time period after the activity ends After this time period the radio will resume scan Off Hook Suspend Scan If this feature is enabled RSS programmable the radio will stop scanning when the radio is off hook Scan will be resumed when the microphone is replaced on hook 29 Horn Lights Horn Lights 30 When you are outside the vehicle your horn lights fea ture will activate the vehicle s horn lights if enabled upon receiving an incoming call alert or land to mobile phone calls To activate horn and lights press the menu button until the display shows Han Then press select button The radio shows the home display with the horn lights bell icon To disable press any key Accessories Accessories Please contact your local Motorola representative for further information about the accessories listed below Microphone Options Palm Microphones Keypad Microphones DTMF Mounting Accessories e Key Lock Direct Trunnion Mount External Loudspeaker A Variety of Cable kits power ignition etc Power e Ignition Antennas 31 Important General Safety Information Important General Safety Information Read This Information Before Using Your Mobile Radio For the safe and efficient operation of your mobile observe these guidelines Your mobi
15. er this warranty This warranty sets forth the full extent of MOTOROLA S responsibilities regard ing the Product Repair replacement or refund of the purchase price at MO TOROLA S option is the sole and exclusive remedy of purchaser user of the Product THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER EXPRESS WARRANTIES IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR TICULAR PURPOSE ARE HEREBY EXCLUDED IN NO EVENT SHALL MO TOROLA BE LIABLE FOR DAMAGES IN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT FOR ANY LOSS OF USE LOSS OF TIME INCON VENIENCE COMMERCIAL LOSS LOST PROFITS OR SAVINGS OR OTHER INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE SUCH PRODUCT TO THE FULL EXTENT SUCH MAY BE DISCLAIMED BY LAW Notwithstanding anything contained herein MOTOROLA shall not be liable for any of the following situations A Defects or damage resulting from use of the Product in other than its normal and customary manner B Defects or damage from misuse accident water liquid or neglect C Defects or damage from improper testing operation maintenance installation alteration modification or adjustment D Product which has had the serial number removed or made illegible E A Product which due to illegal or unauthorized alteration of the software firmware in the Product does not function in accordance with Motorola s publishe
16. igh pitched dih dih dit tone sounds when the call can be made Features And Advantages Of Trunking Types of Tones Type of Tone Meaning What to Do FAILSOFT Contin uous faint beep every 10 seconds Operating under failsoft condi tions A system failure has occurred the mobile is operat ing on one channel in a conven tional mode You can still transmit and receive but you share a channel with other groups until the sys tem is repaired Disconnect Mode Warning Continuous illegal function baaah tone Reminder to exit Phone or Call Alert Modes You may be miss ing other types of calls Press the Phone or Call button to exit the mode Telephone Time Out Warning High pitched 15 20 second tone Warning that the call will be ter minated if not completed in 15 to 20 seconds Complete call or hang up It is time up to finish your call or redial Talk Prohibit Con stant tone when PTT is pressed All unsuccessful attempts to access the trunked system Try again when you are in a bet ter location Busy Continuous bah bah bah when PTT is pressed All available channels are busy and the radio is in queue Release the PTT switch You will hear call back tone when it is your turn for a channel TALK PERMIT or CALL BACK High pitched dih dih dit tone signi fying channel avail able Now you have a channel to access The r
17. it indicator will light steady to indicate that you are on the air It will remain lit until the PTT switch is released To Monitor When the radio is in conventional mode with coded squelch the channel may be monitored by taking the microphone off hook Another way to activate the mon itor is to press Monitor button The moni tor icon is displayed To deselect monitoring press Monitor button again or place the microphone on hook 13 Multiple System Talkgroup Selection Multiple System And Talkgroup Selec tion Multiple System Selection 14 This radio has ten Systems eight Talkgroups in each system and ten Conventional Systems or Channels MAX638 mobile radios allow the operator to select up to ten systems to be programmed into the radio Each system may have its own unique set of talkgroups Call Alert paging and Private Conversation calls After the system has been selected there is a delay of about one second before the radio can receive or transmit calls Trunked Systems are identified as numbers 1 through 0 10 This trunked system number is always dis played on the left of the display Conventional Systems or Channels sequentially follow the last trunked system However conventional sys tems appear as a number in the two rightmost digits The indication that the radio is on a conventional sys tem is seen when the display shows no letter or spe cial cha
18. ite The Forced Site Search feature can be activated in Site Lock or Site Unlock Mode and is enabled as fol lows Press the Menu button until the display shows e Press the Select button to force a Site Search The radio will start searching for a new site A forced search can be activated during normal opera tion as well as during Call Alert Private Conversation Phone Automatic Multiple Site AMSS 26 Automatic Multiple Site Selection AMSS feature is available either in the automatic unlocked or manual locked mode In the automatic mode the radio switches as one goes out of range and the other comes within range In the manual mode the site used is the site that is selected when you have entered the manual mode A forced site search FSS can be initi ated either in the automatic or manual mode Scan Scan Introduction The scan feature allows you to monitor activity on dif ferent conventional and trunked modes by scanning a scan list of members up to 8 members Turning Scan On Off Press the scan button when in any system talkgroup or conventional position The scanning fea ture will be enabled If you desire to turn off the scan ning feature again press scan button For as long as SCAN ON is selected the scan icon will be displayed and the radio will scan for activity in the channels talkgroups that are defined in the scan lists of the present mode NOTE T
19. le is a radio transmitter and receiver When the mobile is ON the externally mounted antenna is the part of the mobile that sends out and receives radio frequency RF energy Exposure to Radio Frequency Energy In 1991 the Institute of Electrical and Electronics Engi neers IEEE and in 1992 the American National Standards Institute ANSI updated the 1982 ANSI Standard for safety levels with respect to human expo sure to RF energy Over 120 scientists engineers and physicians from universities government health agen cies and industry after reviewing the available body of research developed this updated Standard In March 1993 the Federal Communications Commission FCC proposed the adoption of this updated Stan dard To operate within this updated ANSI Standard use your mobile as described under Efficient Mobile Operation Efficient Mobile Operation 32 DO NOT operate your mobile when a person is within two feet 0 6 meters of the antenna unless that person is shielded from the antenna by a metal surface such as the roof of the car Otherwise you may impair call quality may cause your mobile to operate at a higher power level than is necessary and may expose that person to RF energy in excess of the levels established by the updated ANSI Standard Important General Safety Information DO NOT operate your unit unless all radio fre quency RF connectors are properly terminated All equipment must
20. ls that increase your service bills Blasting Areas To avoid interfering with blasting operations turn your unit OFF when in a blasting area or in areas posted turn off two way radio Construction crews often use remote control RF devices to set off explosives Radio Care Radio Care Avoid any physical abuse of the radio radio exterior should be cleaned with a cloth dampened with clean water a mild liquid soap solu tion or isopropyl alcohol CAUTION The use of chemicals such as detergents alcohol except isopropyl aerosol sprays and petroleum products may be harmful and damage the radio housing 35 Limited Warranty LIMITED WARRANTY MOTOROLA RADIO PRODUCTS This express limited warranty covers the Product manufactured by MOTOROLA Radio Products Group and applies to any warranty already mentioned MO TOROLA assumes no obligations or liability for additions or modifications to this warranty unless specifically made in writing and signed by an authorised officer of MOTOROLA MOTOROLA cannot be responsible in any way for any ancillary equipment not furnished by MOTOROLA which is attached to or used in connection with the Product or for operation of the Product with any ancillary equipment and all such equipment is expressly excluded from this warranty Because each system which may use the Product is unique MOTOROLA disclaims liability for range coverage or operation of the system as a whole und
21. o initiate a call properly during scan mode press the PTT switch for a few seconds Programming Viewing a Scan List MAX638 allows front panel programming to allow the operator to edit the scan list Press menu button until the display shows Press the select button to select Scan Program ming Viewing mode 27 Scan 28 The radio will sound four quick beats and the display will show A When scan programming use the talkgroup but ton or talkgroup buttons to scroll through the talk groups If you desire to include any talkgroup in the scan list press 9 select button when the desired talk group is shown on the display The display will show A To deselect again press the select button the display will show exit from the scan programming feature press the 9 home button The display will show the home dis play A scan list is limited to eight members A alert tone sounds if you attempt to add more than eight mem bers If you select a talkgroup as a priority and there is already a priority talkgroup in the scan list then the new talkgroup will be assigned as the priority talkgroup and the old talkgroup will become a non priority talk group Scan Nuisance Delete If you wish to temporarily delete an annoying scan mode press the button and the display shows Then press the 9 select button to delete To resume scanning of the deleted mod
22. racter Multiple System Talkgroup Selection TalkGroup Selection A trunked radio system can divide a system into differ ent talkgroups This enables the system owner to organize the talkgroups into communication groups according to function Members of a specific talkgroup hear only messages intended for their talkgroup Talkgroups are identified as letters in the right most position on the display The system is identified in the middle position An extended press of the talkgroup button will scroll up the list Press the PTT switch to transmit The radio receives only those messages intended for the talkgroup indicated on the display For example if talkgroup B is selected you will not receive messages for talkgroup E Announcement Call If the operator has a radio equipped with announce ment call it is possible to call all members in the talk groups list RSS programmable If the operator is in announcement call mode and multiple talkgroups are active only the first call received will be heard 15 Call Alert Call Alert Call Alert Decode This feature allows an individual mobile unit in a sys tem to receive a Call Alert or page from a dispatcher to leave a page in an unattended mobile unit When the mobile unit receives the Call Alert the display shows This continues with beeps every four seconds until any key PTT is pressed Call Alert pages will not be received when the radio is engaged in voice conver
23. sa tion has been turned off or is out of the system range If your unit is equipped with optional horn lights alert see the description of Horn Lights given on page 30 Call Alert Encode 16 The Call Alert Encode Feature allows the dispatcher or supervisory unit to Call Alert or page up to eight mobile units To send a Call Alert page press the Call button until the display shows F L 1 To select a mobile ID from the ID list press the talk group or talkgroup v button Each mobile ID is identified as CA1 through CA8 Select the desired ID and press the PTT switch momentarily to send the CALL Alert Call Alert The radio will beep once to indicate that Call Alert has been sent When the Call Alert has been acknowl edged the display will show rr Then the radio will sound four beeps and the display will automatically return to dispatch mode NOTE If the radio is not in service or out of range a low pitch alert tone sounds and the display changes to show nos You may try this sequence again when in range An illegal function tone will sound after six seconds of inactivity This is to alert you that important channel activity may be missed if you remain in this mode Exit ing the mode by pressing home button or Call button will stop the tone 17 Private Conversation Private Conversation Private Conversation Encode This feature enables a mobile unit to exchange private c
24. tion 8 Display 6 2 5 cb dea 9 Display Character Summary 10 Basic Operation 12 To Turn the radio On 12 0 12 To Transmit Trunked System 12 To Transmit On a Conventional System 12 ok Reece 13 Multiple System Talkgroup Selection 14 Multiple System Selection 14 TalkGroup 15 Announcement Call 15 Call Aleit 2 2 25 03 0 05 deinen oda 16 Call Alert 16 Call Alert Encode 16 Private 18 Private Conversation 18 Private Conversation Decode 18 Telephone Interconnect 20 To place Call Full Interconnect Capability 20 To receive a 21 SmartZone AMSS Roaming Features 23 SmartZone 23 Site Lock UNIOCKS dasa 24 Forced Site
25. u have received an incoming private con versation phone call Call Alert This display indicates that you have received a Call Alert This display indicates that you have initiated a Call Alert Failsoft This display indicates that the radio is in failsoft per talk group mode This display indicates that the radio is in failsoft per system mode 11 Basic Operation Basic Operation To Turn the radio On Turn the radio ON OFF VOLUME knob clockwise The last system that was prior to power down will be dis played To Receive Select the system by pressing the system f button until the proper system is displayed Select the talk group by pressing talkgroup or talkgroup button until the proper talkgroup is shown A conventional system will be indicated by digits only A trunked sys tem will be indicated by a digit and a letter To Transmit On a Trunked System When the transmit Indicator LED lights steady or after the talk permit tones sound press the PTT switch and speak into the microphone in a normal voice If you hear tone s when you push the PTT switch the sys tem alerts you that certain conditions exist Refer to the Alert Tone table for explanations To Transmit On a Conventional System 12 The yellow indicator LED will light if any other unit is active on the channel Do not transmit if someone else is using the channel When you press the PTT switch located on your microphone the Transm
26. ubt contact the person in charge of your radio system or your local service representative Proper Operation If Radio Ignition Cable Is 1 The Ignition Cable Must Connected For Not Connected To The Radio It Will Not Power Up Functions Of The Buttons Functions Of The Buttons A B Radio On Off and Volume Control Three LED Indictors 1 Tx red led lights continuously when the radio trans mits 2 Rx yellow led lights continuously when the radio receives 3 Not used Display with three seven segments characters System Selector enables selection of systems by pushing the system 9 or the system buttons Talkgroup Selector enables selection of the talk groups by pushing the talkgroup or talkgroup buttons Transmit Key PTT Push to talk release to listen Microphone Connector Press this button to answer a phone call or to make a pnone call Press this button to turn the scanning On Off Press this button once to make a Private Call and twice to make Call Alert Press this button to select the list of Menu fea tures Press this 9 button to exit a feature Press this amp button to select a displayed feature General Operation General Operation Radio ON OFF and Volume Control Knob Turn the radio on by turning the knob clockwise The radio then carries out a self test Adjust the volume to a comfortable listening level by turning the
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