______________________________________________________________________________________23210 Bernhardt St. •• Hayward, CA. 94545, U.S.
1TABLE OF CONTENTSGENERAL...
2GENERALThe ST-025BGP is an ST-025B voice encryptiondevice with additional application components andinstructions for use with the Motorola Radius Mod
3USER CODE KEYSOf the more than 268 million available code keys,four may be selected and easily accessed as UserCode Keys for each unit. These may be
45. Remove the metal case from the transceiver main board by unclipping the four spring clips.6. On the back side of the transceiver main board (the s
5• Red• Black/Brown• Yellow• White/Orange (add the supplied 1.2M resistor in series with this lead).• BrownFIGURE 3* -Capacitors may not be on older v
6GP300, P110, **(GP88, P110-5T)FIGURE 4b (VHF)** May vary slightly8. Reattach the metal cover to the transceiver main board.9. Attach the remaining fi
7VBiasVBias+5Vdc+5Vdc+5Vdc+5VdcVBias+5VdcVBiasVBiasVBiasVBias+5VdcVbias+5VdcVBiasVbiasVBiasVBias+5Vdc**EEPROM****MODULATOR****UPPER SIDEBAND FILTER***
8COMPONENT LOCATORU5C11R42U4U3C24R45U7C20 +R13R33C21R34Q1 U6R40R37C13C17Y1R43C19C18C15C22 +J1TOP SIDEBOTTOM SIDER31R28C7R21R35R4R6R11R5R29R25R30
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