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System Menu and Transmit Mode
Tool Interface Check
Host Interface Units with RS-232C Specifications (NT600M-LK201)
LCD/EL Display Check
Buzzer Check
LED Check
6-2-7
PT Settings Check
PT Settings
To return to the I/O Check Menu, press the Buzzer Key, Up Key, and Down
Key simultaneously.
Data transmitted from the Support Tool is displayed in hexadecimal. If any
numeral is displayed, then the interface is operating properly. If no numerals
are displayed, then there is a Support Tool operation error, communications
cable error, or communications hardware error.
RS-232C I/F Input Check
1B 51 30 33
The display check can be carried out for both the LCD display and EL dis-
play.
The lines of the display are reversed one at a time, starting from the top of
the screen. When the reversal is finished, then they are cleared one at a
time. When all of them have been cleared, the I/O Check Menu is returned
to. You can interrupt the check and return to the I/O Check Menu by pressing
the Buzzer Key, Up Key, and Down Key simultaneously while the check is in
progress.
By selecting "Buzzer" from the I/O Check Menu, the PT buzzer can be
checked. The buzzer should produce a continuous sound. To stop the buzz-
er, press the Buzzer Key. While the buzzer is sounding, it will not be possible
to change screens or stop the buzzer by pressing the Buzzer Key, Up Key,
and Down Key simultaneously.
When PTs with EL displays (i.e., NT600M-DT/DN211 PTs) are used, a light-
ing check can be carried out for the front panel RUN and BAT LOW indica-
tors. When"LED" is selected, the RUN and BAT LOW indicators should begin
to blink if they are operating properly. If the battery voltage is low, the BAT
LOW indicator will remain steadily lit.
The status of the NT600M and Host Interface Unit can be checked, as well
as the settings of switches. First select "PT Settings" from the Maintenance
Menu. There are two screens. One displays the contents of PT settings, and
the other displays the contents of Host Interface Unit settings. Use the Up
Key and the Down Key to change back and forth between the screens.
When "PT Settings" is selected, the status of internal NT600M settings is dis-
played first.
1) DT-type PTs
Section 6-2
69
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