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• Visually check the battery for leakage.
Clean all of the electrical contacts inside the terminal with a contact cleaner.
Checking Backup battery:
Making sure that the backup battery is in good condition, according to the following steps:
1. Collect and clear all the data stored in the terminal.
2. Open the terminal.
3. Remove jumper JP7.
4. Check the voltage of the memory back-up battery and make sure it is between 2.8V and 3.1V.
5. Replace jumper JP7.
Summary of Contents for SY-760
Page 1: ......
Page 39: ...37 DIRECT RS 232 MULTI DROP RS 485 CONNECTION...
Page 57: ...55 COMPONENT SIDE PCB NO 770888 01 D...
Page 58: ...56 PRINTED SIDE PCB NO 770888 01 D...
Page 59: ...57 DISPLAY CARD...