Product Support Bulletin 818

LAND MOBILE PRODUCT SECTOR PSB # 818 1301 E. ALGONQUIN RD. APC # 195,225,360,525,590,593 SCHAUMBURG, IL. 60196 DATE: SEPTEMBER, 1997 (847) 576-0180 EXPIRES : 9/1/98     SUBJECT: QUANTAR /QUANTRO 6809 TRUNKING MODULATED AUDIO     MODELS AFFECTED : T5365A WITH X989 OR X992 OR X996 OR X997 OPTIONS   SYSTEMS AFFECTED : Any 6809 Trunking site with Quantar/Quantro Repeaters running firmware version 7.0-8.5 inclusive/ Analog Only   ISSUE : A failure to transmit the failsoft code word and tone unmodulated carrier, or a distorted version of the code word. During failsoft a failure to transmit the failsoft code word and failsoft indicator tone can occur ( unmodulated carrier) or a distorted version of the code word. A repeater that was the control channel prior to entering failsoft and exits failsoft as a voice channel may not repeat the inbound audio. However, the channel will still be assignable as a voice channel. When the repeater is assigned it may do one of the following: A. Transmit without modulation (dead carrier) or, B. Transmit a distorted waveform that can be heard at the receiving radios.   RESOLUTION : Replace firmware with version 9.3 Please contact the SSC at 1-800 448-3245 or (847) 576-7300.   Before contacting the SSC, please have the following information available for them:   1- Serial number of the station(s) requiring the upgrade 2- The station control board part number for the station(s) requiring an upgrade 2A- Does the station control board have ether parts on it ? 3- The wireline board part number for the station(s) requiring an upgrade   Authorized Service Shops will be allowed 15 minutes per station plus travel by using the standard R021-19 Labor warranty claim form and referencing this psb #.   (Labor and parts warranty reference is limited to products sold in the United states. For products sold or in use Internationally this bulletin is for Informational purposes Only.)