My tool :
- com port serial cable programer for Motorola gm3688
- 9v battery square
- usb to com port
- multimeter
- pc/laptop running win 7
- cps software for motorola gm3688
This guide not using SWR meter but if this guide not resolved your problem you must ceck all using SWR meter
Okay first open CPS software and you must have a save file new for flashing/program your frekuensi to gm3688 . Connect usb to serial port to motorola program cable and connet to you windows OS ,chek device manager what com port number of your RS 232 .now open CPS software klik prefrence and set the com port number of your RS 233 . After tha clik read device and save the buckup cps file . Open your new cps file and clik clone wait until success. Now cek the power supply in ampere meter while holding ptt on gm3688.