Omron NT-series Programmable Terminal V022-E3-1 - Manual (Page 230)

Reference

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Section 6-2
Displaying the System Menu By using the following command, it is possible to enable or disable display of the
NT600S system menu.
System Menu Display Permission
Format
1B
[ESC]
57
W m
1



m
1
: System menu display permission/inhibition
0 (30
H
): Display permitted
1 (31
H
): Display inhibited
Description System menu is displayed when “display permitted” is set, and from the system
menu, selection of transmit mode or maintenance mode is possible. If “display in-
hibited” is set, the system menu is not displayed.
Enquiry of the Battery Voltage Status
To check the voltage status of the built-in NT600S battery, use the following com-
mand.
The battery is optional.
PT Status Enquiry
Format
1B
[ESC]
5A
Z
Description Determines if the built-in PT battery voltage is low.
The PT returns the PT Battery Status Response Command (see
7-3 PT Battery
Status Response) to report the battery status.
Whether or not report is made is determined by the ON/OFF setting of DIW
SW2-8.
Initializing the Display History Data Memory
The display history record stored in the NT600S can be cleared (initialized) by giv-
ing the following command from the Host.
For details of the display history function, refer to Display History (page 110).
Initialize Display History
Format
1B
[ESC]
5D
]
Description  Deletes the entire contents of the display history.