JADEVER SCALE CO., LTD
JWE service manual
12
4. Adjustments and Settings
4-1 Model setting
1. Press and hold key
TARE
and
ZERO
while powering on the scale. The screen displays
“SET”
2. Press
M+/MR
and the screen will display “TW 3kg”
3. And then press
MODE
to select the format. (TW for Taiwan format; CN for standard format)
4. Press
TARE
to select the model
5. Press
ZERO
to save the setting. Press
MC/SET
to exit
Additional function setting
CAL jumper: 1 for open; 0 for close
Note: when the CAL circuit is shorted, single point calibration is forbidden.
4-2 Calibration
1. For best results, calibrate the scale at regular intervals. Temperature changes, geographic
gravity variations, altitude changes and abuse are few reasons why a scale may need
recalibration.
2
.
Here we take JWE-3K as an example.
Single Point Calibration
1
）
Press and hold key
MODE
while powering on the scale. The screen displays “CAL”, then
release the keys.
2
）
Press key
TARE
to enter the zero point calibration mode.
3
）
Press key
MODE
to select calibration weight value. Options are1/3 of full load, 2/3 of full
load and full load. E.g., options for JWE-3K are 1, 2 and 3(kg).
4
）
Put the corresponding weights on the weighing pan, then the calibration procedure
starts.
5
）
The calibration procedure is completed with a beep and
“
” flashing. Now, remove all
the weights.
6
）
Press key
ZERO+
to return to weighing mode, key
MODE
to advance to next setting
menu.
