Sony NT-2 - Manual (Page 8)

8
-EN
Installing a lithium battery
To operate the built-in clock, install the lithium battery (CR1220, supplied).
1
While sliding the release
switch with a pointed
object, rotate the lid in the
direction of OPEN.
The lid is removed.
2
Install a lithium battery with
the + side facing up.
3
Replace the lid, and rotate it
in the direction of CLOSE
until it clicks.
(rear)
Release switch