JDS Uniphase OLP-34 Operating Instructions Manual page 27

To delete all stored measurement results:
 The device is in recall mode.
1. Press [CLR] and [ALL] simultaniously and hold them
for at least 2 seconds.
All memory locations are cleared.
2. Press [RECALL] again to exit the recall mode.
JDSU
5 M
EMORY
OLP-34/-35/-38
M
ANAGEMENT
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