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Maintenance Manual 

 

 
 

UDM-240ZH/ZBH 
26 

 

 

 
 

6-5

 

Power supply circuit   

 

6-6

 

FND display Circuit 

 

Summary of Contents for UDM-240ZH

Page 1: ...UDM 240ZBH ZH Service Manual...

Page 2: ...can be subject to change or modify without any prior notice for its improvement of performance better performance Copyright of this manual belongs to UNIMO Technology Co Ltd in a whole or in part auth...

Page 3: ...upply voltage Battery adapter external ear phones are designed to Unimo models Using non Unimo goods can cause damage or malfunction to the product Please use communication purpose only Please do not...

Page 4: ...n airplane Please follow the instructions or rules when you use it Please check whether can use or not before using the radio the due to electronic effect Do not use the radios near electronic equipme...

Page 5: ...he radios as much as possible while you drive Use additional accessories such as earphones for your safety Do not listen at very high volume Your hearing may be affected For use in hazardous areas onl...

Page 6: ...DM 240ZV and can be operated with the existing VHF UHF TETRA vehicle and base station and can communicate remotely if it s interfaced with UDM 240ZV Clear 3FND Display 16 channels 11 26 Perfect securi...

Page 7: ...NENTS 2 1 Basic Components Main Unit Charger User Manual Power Cigar Jack 2 2 Optional Components Ear Phone Wrist Strap AC220 DC5V 500mA Adapter Programming software USB PC Programming cable Component...

Page 8: ...he UDM is turned ON Press the power menu button for more than 2 seconds then the UDM is turned OFF Depending on the application the power button can be used as a PTT button or INT button UP Down butto...

Page 9: ...th external earphone The UDM 240ZH can be programmed by its PC program and programming cable 3 2 Display Status LED The users can be recognized the current status by LED indicator on the top of the UD...

Page 10: ...Maintenance Manual UDM 240ZH ZBH 10 OFF Power OFF...

Page 11: ...vice is on if you place it into the charging cradle it is possible to use on and on 4 2 HOW TO CHARGE The built in Li ion battery is safe and reliable to guarantee high performance Batteries MUST be f...

Page 12: ...by UNIMO Technology Co Ltd Other manufacturer s can cause unexpected damage of the battery and terminal CAUTIONS The UDM 240ZH is designed to be used with the supplied charging cradle only In case of...

Page 13: ...rsions FND can be displayed as follows or or or 5 3 RECEIVE User can adjust the volume level 1 8 steps by using Up Down button while receiving According to the program versions FND can be displayed as...

Page 14: ...3 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23 H24 H25 H26 5 5 SCAN In the standby mode enter into the menu mode then enable or disable SACN function Scan Scan Group select press the PTT button to save SCA...

Page 15: ...Maintenance Manual UDM 240ZH ZBH 15 5 7 INSTALLATION FOR PC PROGRAM AND SETUP...

Page 16: ...Maintenance Manual UDM 240ZH ZBH 16...

Page 17: ...Maintenance Manual UDM 240ZH ZBH 17...

Page 18: ...Maintenance Manual UDM 240ZH ZBH 18...

Page 19: ...Maintenance Manual UDM 240ZH ZBH 19...

Page 20: ...Maintenance Manual UDM 240ZH ZBH 20...

Page 21: ...Maintenance Manual UDM 240ZH ZBH 21...

Page 22: ...tenance Manual UDM 240ZH ZBH 22 5 8 Functional differences between the version of the program Please note that between the old and new version of the program the UDM 240ZV ZH are not compatible each o...

Page 23: ...Maintenance Manual UDM 240ZH ZBH 23 6 DESCRIPTION FOR CIRCUIT...

Page 24: ...Maintenance Manual UDM 240ZH ZBH 24 6 1 Wireless communication protocol chips ISM 2 4Ghz 6 2 Digital voice signaling circuit WM8974W...

Page 25: ...Maintenance Manual UDM 240ZH ZBH 25 6 3 Function control circuit 1Chip MCU N79855AWG 6 4 TX power RX sensitivity AMP Circuit U3 T7024...

Page 26: ...Maintenance Manual UDM 240ZH ZBH 26 6 5 Power supply circuit 6 6 FND display Circuit...

Page 27: ...Maintenance Manual UDM 240ZH ZBH 27 6 7 FND display Circuit 6 8 Battery charger circuit...

Page 28: ...Maintenance Manual UDM 240ZH ZBH 28 6 9 Audio AmP 6 10 Ear Phone circuit...

Page 29: ...Maintenance Manual UDM 240ZH ZBH 29 7 PCB MAP 7 1 TOP...

Page 30: ...Maintenance Manual UDM 240ZH ZBH 30 7 2 BOTTOM...

Page 31: ...Maintenance Manual UDM 240ZH ZBH 31 7 3 Circuit Diagram...

Page 32: ...Maintenance Manual UDM 240ZH ZBH 32...

Page 33: ...antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is con nected Consult the dealer or an e...

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