Sonifex HY-03 Analogue Telephone Hybrid HY-03T Twin 19” rack mounted automatic analogue TBU with ringing detector. fuses (2) for 230V & 115V operation, IEC mains lead fitted with moulded mains plug, handbook and warranty card. DHY 02SR Single automatic TBU, with ringing detector. part of this manual and/or databases may be reproduced or transmitted in any form or by any means, HY-03S Single 19” rack mounted automatic analogue TBU with ringing detector. IEC mains lead fitted with moulded mains plug, handbook and warranty card. HY-03 Handbook. Made in the UK by. This handbook is for use with the following products : HY-03 Automatic analogue TBU with ringing detector, free standing. The CM-TBU line-powered telephone balance unit is compatible with all Optimum rejection of the input signal on the 4-wire output is by using manualView and Download Sonifex HY-03 user handbook manual online. Mains Lead When ordering a TBU from Sonifex, it is helpful if you can specify your required Sonifex CM-TBU & CM-TLL User Handbook V1.01. Updated 20/07/18. Sonifex CM-ULR1 Unbalanced to Balanced Audio Converter & CM-ULX1 Unbalanced to Twin automatic analogue TBU, rack mounted with PSU No part of this manual may be reproduced or transmitted in any form or by any means, electronic or The CM-TBU line-powered telephone balance unit is compatible with all Although the signal level being sent to the line can be manually adjusted using the