Philips N 4420 Manual page 6

@ To stop, press stop key €)).
Dynamic Noise Limiter - DNL
Playback
The recordings made can be reproduced:
@ Through the built-in loudspeakers or
Using the recorder as an amplifier
@ Press record key 0.
6
Maintenance
Storage of tapes
Technical data
(subject to change without notice)
@ Suitable without switching for 50 and 60 Hz AC.