Service manual

2DA/2DB
1-4-37
Maintenance
Description
item No.
U251 Checking/clearing the maintenance count
Description
Displays, clears and changes the maintenance count.
Purpose
To check the maintenance count. Also to clear the count during maintenance service.
Method
Press the start key. The maintenance count is displayed.
Clearing
1. Select the CLEAR using the up/down cursor keys.
2. Press the start key. The count is cleared, and the screen for selecting a maintenance item No. is displayed.
Setting
1. Select the COUNT using the up/down cursor keys.
2. Enter a seven-digit count using the numeric keys.
3. Press the start key. The count is set, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit this maintenance item without changing the count, press the stop/clear key. The screen for selecting a
maintenance item No. is displayed.
U252 Setting the destination
Description
Switches the operations and screens of the machine according to the destination.
Purpose
To be executed after replacing the backup RAM on the main PCB or initializing the backup RAM by running
maintenance item U020, in order to return the setting to the value before replacement or initialization.
Method
Press the start key. The screen for selecting an item is displayed.
Setting
1. Select the destination using the up/down cursor keys. The selected item is displayed in reverse.
Display Description
JAPAN METRIC Metric (Japan) specifications
INCH Inch (North America) specifications
EUROPE METRIC Metric (Europe) specifications
ASIA PACIFIC Metric (Asia Pacific) specifications
2. Press the start key. The setting is set, and the machine automatically returns to the same status as when
the power is turned on.
Completion
To exit this maintenance item without changing the current count, press the stop/clear key. The screen for
selecting a maintenance item No. is displayed.
Supplement
The specified initial settings are provided according to the destinations in the maintenance items below. To
change the initial settings in those items, be sure to run maintenance item U021 after changing the destination.
•Initial setting according to the destinations
Maintenance Title Japan Inch Europe Metric,
item No. Asia Pacific
253 Switching between double and single counts Single Double Double