Service
CHANGES
All serial pref &s$ -'
On the A1 component locator:
♦
A1SKS2, S3 - Delete SI, S2, S3. At serial prefix 2720A AlSl,
S2, and S3 were removed. These switches are not used (open)
and could cause the instrument to fail or malfunction if im
properly set. Any or all of the switches may be removed with
out affecting the operation of the instrument.
On the A1 schematic:
•
AlSl, S2, S3 - Delete SI, S2 and S3. At serial prefix 2720A
AlSl, S2, and S3 were removed. These switches are not used
(open) and could cause the instrument to fail or malfunction if
improperly set. Any or all of the switches may be removed
•A»'""'-»»A«""»""
«..-.ii*..rt...ft..Av..-
without affecting the operation of the instrument.
rev.26JUN87
A1a
92.1