4-1. List of memory switch settings
Refer to "Setting method" on page 26 for details on the setting methods for the various memory switches.
Memory
Setting
switch No.
value
Lapel device ON/OFF
OFF
566
ON
Program number assignment by buttonhole sensor
OFF
567
1 - 20
Program number for enabling sub hammer
568
OFF
1 - 20
Error checking using buttonhole sensor
OFF
569
ON
Sub hammer ON time (ms)
The ON time is extended when using material that is difficult to cut.
570
5 - 100
No cutting operation using buttonhole sensor
OFF
571
ON
* If No.567 and No.568 are both set at the same time, No.567 will take priority.
* If No.567 and No.569 are both set at the same time, No.567 will take priority.
Lapel device is disabled.
Lapel device is enabled.
・ When a straight buttonhole program (parameter No. 11, eyelet pattern: 5) is
selected, the sub hammer will be enabled. However, its operation will vary
depending on the settings for memory switch Nos. 567 - 571.
Normal
If there is no material underneath the buttonhole sensor when the cloth is set, the
assigned program number is retrieved instead of the program number that is
currently displayed and the sub hammer is enabled.
Normal
Sub hammer is always enabled regardless of buttonhole sensor status and eyelet
pattern.
Error checking disabled
Error checking enabled
Error (E942) is generated in the following cases.
・ When there is material underneath the buttonhole sensor and an attempt is
made to sew a straight buttonhole program
・ When there is no material underneath the buttonhole sensor and an attempt is
made to sew an eyelet buttonhole program
When a larger value is set, the period of contact between the sub hammer and the
knife becomes longer. It can be set in units of 5 ms.
[NOTE]
If the ON time is set to a longer time than is necessary, it will shorten the operating
life of the knife and sub hammer.
Normal
If an attempt is made to sew when there is no material underneath the buttonhole
sensor, knife operation will be disabled even if the cutting position has been set to
"cutting before sewing" or "cutting after sewing" using the operation panel.
RH-9820 LAPEL DEVICE
Setting item
Default
value
OFF
OFF
OFF
OFF
5
OFF
23