Sony PCS-G70 FAQ - Manual (Page 18)

PCS-G50 and PCS-G70 Video Communication Systems
12 FAQ
Q. I hear echo (near audio) from the speaker.
A. Connect the audio cable from Audio output, not from Mixed audio
output. Mixed audio output is for VCR recording (far + near).
Q. I cannot recall the Administrator password.
A. You can restore the factory default setting and clear the password
from the service menu as follows:
1. Press and hold Menu.
2. Move the focus to the Dial button.
3. Press 7 and 2.
4. Press Clear Setup.
CAUTION! This procedure will clear all setup information and
restore the factory preset.