8 — Testing
8–5
CX20/CX30/CX34 Service Manual
8.3
Scale Test (Menu Option)
All of the following tests are carried out in SCALE TEST menu.
On pressing ENTER to access PROCESSOR TEST menu option a ’SCALE
IDENTITY’ report is printed.
Figure 8.2
Menu of Scale Test
COMMS TEST
PROCESSOR TEST
Press ENTER.
Use
→
and
←
keys to move to
next option.
Press ENTER at required option
to carry out service procedure.
SCALE TEST
KEYBOARD TEST
ROM TEST
DISPLAY TEST
EEPROM TEST
WEIGHING TEST
STATIC RAM TEST
Summary of Contents for CX20 SERIES
Page 258: ...PL 1 CX20 CX30 CX34 Service Manual Section PL Parts List ...
Page 284: ......
Page 287: ......
Page 317: ...Addendum A Phase 1 4 and CX34 Parts List A 30 CX20 CX30 CX34 Addendum A ...
Page 318: ......
Page 321: ......
Page 323: ...Contents B 2 Addendum B ...
Page 343: ...Addendum B Phase 1 5 1 5 3 and New Main PCB B 22 Addendum B ...
Page 344: ......
Page 347: ......
Page 351: ...PL Parts List Devlin Keyboard C 6 Addendum C ...
Page 352: ......