Teac MT-20D-IO Maintenance Manual page 163

4-3-19 Check of peak shift
(1) Articles to be used
(a) Work tape
(b) SOA
(c) DC power supply (+12 V, +5 V)
(2) Check procedure
(a) Connect SOA in accordance with Item 4-2-5, and set the POWER
switch to the PSA side (it is not required to connect a check
cable C).
(b) Load the work tape on MTU.
(c) Key in "C6".
(d) The peak shift value is indicated to the display DATA 1 on SOA.
(e) Check if the peak shift is less than 20%.
(f) Key in "A21". The write/read track of MTU is changed over to
Track 1.
(g) Perform the same check as in steps (c) to (e).
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