EXCELL PRECISION CO., LTD.
FM User Manual SME300000119
34
<Chapter 9> Maintenance

9-1 Default Recovery for All Parameters

(1) Adjust the calibration switch to ON, when re-zeroing after turning on, press
and hold simultaneously.
(2) The screen will display . .
(3) If decided, press and hold until displaying , and then adjust the
calibration switch to OFF.

9-2 Default Recovery for General Function Parameters

(1) When re-zeroing after turning on, press and hold simultaneously.
(2) The screen will display . .
(3) If decided, press and hold until re-turning on.

9-3 Self-diagnosis Mode

(1) When re-zeroing after turning on, press and hold.
(2) The screen will display
, which means entered self-diagnosis mode.
(3) Use or keys to select item intended to test.
Press key to enter self-diagnosis, and press key to escape.

Item Display Testing Item

1
Program Version Number Displaying
2
7-segment Display Testing
3 Keypad and Calibration Switch Testing
4 AD Conversion Value Displaying
5 EEPROM Testing
6
RTC Date & Time Testing
7 OP-1 RS232 Serial Output Interface Testing
F1
ENTER
ENTER
F1
ENTER
ENTER
ZERO
ZERO
TARE
ENTER
ESC