325P620 Rev7
(3255 Service Manual)
Page 4 of 4
NOTES:
1) ON = 1 = CLOSED
OFF = 0 = OPEN
2) Seiko printers are used with Serial Suffix A - C; Citizen printers are used with Serial Suffix D and higher.
Refer to Design Changes for additional information.
Option Switch Setup Table - 4-Position Switch
Switch Function
Selections
1 2 3 4
#1 Selects Mode
(“PROG”)
Flash Boot ON
Normal Operation OFF
#2 Selects Printer
(“OPT1”)
Citizen ON
Seiko OFF
#3 Selects Instrument
(“OPT2”)
3250 ON
4250 OFF
#4 Not in Use
(“OPT3”)
N/A ON
N/A OFF
SW1
4. Press the following keys consecutively:
2, 4, CLEAR. The displayed serial num-
ber will disappear.
5. Enter each digit of the serial number as it
appears on the label on the back of the
instrument (Note: the letter suffix at the
end of the serial number will not be
entered). When the number is correct,
press ENTER.
The serial number will be recorded in
memory and should appear the next time
you power up your instrument.
Option Switch Configuration:
1. Locate options/configuration switch SW1
(A).
2. For the 4-position switch, the four switch
positions are numbered 1, 2, 3, 4, starting
at the bottom as seen in the photo on
page 2.
3. Using the table below, set the switch
positions to configure the model number
and options for your use.
Note: Markings on switch body may vary
[ON = 1 = CLOSED / OFF = 0 =
OPEN].
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