FUNCTION GR.
Service Mode > FUNCTION GR.
DDNSINTV Setting of DDNS periodical update interval
Detail To change the interval of DDNS periodical updates.
Adj/Set/Operate Method
1) Enter setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/Adj/Set Range
0 to 48
0: No periodical updates
1 to 48: 1 to 48 hours
Unit
hour
Default Value
24
Supplement/Memo
DDNS (Dynamic Domain Name System): a system to dynamically register/manage dynamically
assigned IP addresses and their host names
Enable Job Cancel Job cancellation at non-login
Detail To enable the cancellation of error jobs even when not logged in.
Use Case
E.g. in the authentication environment where non-authenticated users are also using the machine
Adj/Set/Operate Method
Select the item, and then press OK key.
Display/Adj/Set Range
MODE1/MODE2
MODE1: This cancellation function is OFF
MODE2: Login-free job cancellation for specific errors enabled
Default Value
MODE1
FILE BOX FUNC. ON/OFF of LUI display for stored job functions
Detail To display/hide on LUI “Stored Job Print” and “Stored Job List.”
Adj/Set/Operate Method
1) Enter setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution
* Displayed only when Setup > Extension Function > Use SD Card is set to ON.
The SD card needs to be formatted in advance.
Display/Adj/Set Range
Off/On
Off: Hide
On: Display
Default Value
On
IPMTU Setting of MTU size
Detail To change the MTU size of network packet.
Adj/Set/Operate Method
1) Enter setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution
Use this item when performing communications like SEND between locations connected with
Ethernet in a field environment where MTU black hole problems occur.
Display/Adj/Set Range
1 to 10
Default Value
10
Supplement/Memo
- MTU: The maximum size of data unit that can be transmitted with a single transfer (1 frame) over
network.
- MTU black hole: A problem that occurs when ICMP packets are filtered by firewall, etc. (because
no message is sent to the sender, the sender does not notice that the packets are discarded and
timeout occurs.)
9. Service Mode
219
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