Wavetek ANT-20 Operating Manual page 21

ANT-20SE
Note: If Options in the BN 3035/90.43 through 90.48 range and
Fig. M-7
Maintenance
BN 3035/90.53, BN 3035/90.54, BN 3035/90.59, BN 3035/91.53, BN 3035/91.54,
BN 3035/91.59, BN 3035/91.40 or BN 3035/91.41 are both fitted, the CLASS 3A
LASER PRODUCT label should be affixed.
Any CLASS 1 LASER PRODUCT label already affixed to the instrument should be
removed or the new label affixed over it so that it is completely concealed.
Laser safety warning label on the front panel of the ANT-20SE
Optical Interfaces
M-9