Page 23 of 81 351 Ferrier Street • Markham, ON • L3R 5Z2PHONE: 416-410-6865 TOLL FREE: 1-866-331-3341 • FAX: 905-752-0186www.watchnetinc.com / info@watchnetinc.com4.3 Audio Settings - Configuration settings for audio such as echo canceler, tone volume and talkvolume.