
-
49
• 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.
Содержание SY-760
Страница 1: ......
Страница 39: ...37 DIRECT RS 232 MULTI DROP RS 485 CONNECTION...
Страница 57: ...55 COMPONENT SIDE PCB NO 770888 01 D...
Страница 58: ...56 PRINTED SIDE PCB NO 770888 01 D...
Страница 59: ...57 DISPLAY CARD...
Страница 68: ...66 P6 19 ON ON SWITCH P6 20 Vs 9v...