Ericsson MASTR IIe Maintenance Manual Download Page 21

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MAINTENANCE

Refer to Maintenance Manual LBI-38509 for complete

mai nten ance i nfo rmati o n fo r th e Utility Handset
(19A705965P1) or LBI-38412 for Utility Handset
(19A705870P2).

•

Circuit Analysis

•

Test Specifications

•

Handset Self-Test

•

Outline and Schematic Diagrams

•

Parts List

•

IC Data

Ericsson Inc.
Private Radio Systems
Mountain View Road
Lynchburg, VA 24502
1-800-528-7711 (Outside USA, 804-528-7711)

Printed in U.S.A.

LBI-38599

Summary of Contents for MASTR IIe

Page 1: ...LBI 38599E Mobile Communications MASTR IIe UTILITY HANDSET Maintenance Manual...

Page 2: ...10 Remote Station Adjustments Via Modem 10 Maintenance 11 APPENDIX A A 1 Copyright March 1991 Ericsson GE Mobile Communications Inc SPECIFICATIONS POWER SUPPLY Nominal 12 5 Vdc Range 10 to 16 Vdc No f...

Page 3: ...hardware includes a EEPROM contain ing the operating characteristics or personality of the Control Shelf The contents of the EEPROM can be changed only with the use of the Utility Handset or with a p...

Page 4: ...n the side of the handset toggle the RESET switch on the front of the MASTR IIe Power Module This tells the Control Module there is a handset present Successful power up will cause the display to show...

Page 5: ...M light on the display when Scan is active SYSTEM FUNCTIONS The Utility Handset may be used to toggle special func tions in the station see Figure 4 To enter the Function Select Mode from the main men...

Page 6: ...on To return to function select mode F SEL 7 MENU START 7 F SEL F SEL STOP 7 CLR PRS 7 C A FNC Figure 4 System Functions If the function was programmed to be active starting it will have no effect NOT...

Page 7: ...ing test tone Stop Stop sending test tone Comment The test tone frequency is 1000 Hertz Soft Boot Start Toggles software reset Stop No function Carrier Control Timer Disable Start Disable the carrier...

Page 8: ...5 5 0 255 6 0 255 2 VTG CT MCTX 1 0 127 2 0 32767 4 0 255 3 PA RG SQ 1 0 99 2 0 32767 3 0 99 On each Pot Page the unused key numbers will have no effect To enter the Adjust Potentiometer Mode from the...

Page 9: ...providing a readout of various DC voltages in a properly configured station To enter the Metering Mode from the main menu press the B key Select a specific parameter to measure by pressing the corresp...

Page 10: ...tation with channel 1 as the current channel pressing the 2 key will result in the handset displaying C SEL 2 In order to complete this channel selection theC key must be pressed Now the handset will...

Page 11: ...play will show BRxxxxx where xxxxx is the current baud rate right justified in the 8 character display Numeric keys used to select the baud rates are given below Keys other than those identified below...

Page 12: ...LBI 38599E APPENDIX A MASTR IIe UTILITY HANDSET OPERATION FOR STATIONS USING GROUP 5 OR EARLIER SOFTWARE A 1...

Page 13: ...A 7 Potentiometer Adjust Mode A 7 Metering Mode A 8 Channel Select Mode A 9 Maintenance A 10 SPECIFICATIONS POWER SUPPLY Nominal 12 5 Vdc Range 10 to 16 Vdc No failure or lack of function within this...

Page 14: ...udio input and output levels for the Control Shelf are controlled by electronic potentiometers These potentiometers must be also be adjusted by the Utility Handset and cable or by a personal computer...

Page 15: ...display If an invalid function number is entered and either START or STOP is pressed the handset will display the INVALID key flag To make another selection from the Function Display Mode press the C...

Page 16: ...le Start Enable the transmitter Stop Restore the original EEPROM setting Comment Since the Tx enable disable function is program mable both by channel and PTT type changing the channel or PTT may nega...

Page 17: ...etting Comment See CG Encode Enable CG Decode Enable Start Enable channel guard decode Stop Restore the original EEPROM setting Comment See CG Encode Enable CG Decode Disable Start Disable channel gua...

Page 18: ...function Aux Rx Disable Start Disable the auxiliary receiver and toggle Aux Rx Mute Stop No function Aux Control 1 On Start Activate Auxiliary 1 output Stop Restore the original EEPROM setting Aux Con...

Page 19: ...onfigured MASTR IIe To enter the Metering Mode from the main menu press the B key Select a specific parameter to measure by pressing the corresponding number key as shown below Parameter MIIe function...

Page 20: ...nt channel pressing the 2 key will result in the handset displaying C SEL 2 In order to complete this channel selection theC key must be pressed Now the handset will display CHAN 2 If desired adjustme...

Page 21: ...dset 19A705965P1 or LBI 38412 for Utility Handset 19A705870P2 Circuit Analysis Test Specifications Handset Self Test Outline and Schematic Diagrams Parts List IC Data Ericsson Inc Private Radio System...

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