Brother PT-1090 Service Manual page 58

INFO submode (1 key*)
(*You may switch back to this INFO submode from any other submode by
pressing the 1 key, except during the key depressing test in the KEY submode.)
The moment the machine enters the inspection mode, it displays the "INFO" and
initiates the INFO submode.
In the INFO submode, you may check the current settings of the destination,
head rank, source voltage, and LCD operation.
1) Press the
The destination, thermal head rank, and source voltage will display as shown
in the following example.
Destination
If the destination is Germany, for example, "4:GE" will appear on the LCD.
(The destination is determined by solder points 1 through 3.)
Destination
USA
GBR
DEU
Head rank
Solder points A through D customize the machine for the individual thermal
head properties. The LCD shows the current head rank as listed below.
If the print head unit is replaced with a new one, the soldered state may need
to be changed according to the head rank code printed on the head flat cable
of the new print head.
Head The LCD
rank shows:
A
B
C
D
None
Source voltage
This machine shows "X" when driven by dry cells or via the AC adapter.
If the source voltage is within the specified range (7.5 ±0.1 VDC), "O" will be
displayed; if out of the range, "X" will be displayed.
key.
Destination
Head rank
The LCD
shows:
1:US Low (Closed)
2:UK High (Open)
4:GE High (Open)
A
A Low (Closed) High (Open)
B High (Open) Low (Closed) High (Open)
C High (Open)
D High (Open)
X High (Open)
III - 36
Source voltage
Solder points
1 2
High (Open)
Low (Closed)
High (Open)
Solder points
B C
High (Open)
High (Open) Low (Closed) High (Open)
High (Open) High (Open) Low (Closed)
High (Open) High (Open)
3
High (Open)
High (Open)
Low (Closed)
D
High (Open)
High (Open)
High (Open)