Programming the Meridian Companion system Page 85 of 206Meridian Companion Installation and Maintenance Guide7. Repeat steps 1 to 4 (after the warm reset) to verify the correct addresshas been applied. The offset value will also be displayed. This value maybe important for troubleshooting purposes.Dual tone multifrequency timingDTMF timing, which can be changed only if the installer specified Customduring the country selection procedure, includes three elements: tone burst(duration of tone for each digit), interdigit time (time between sending tonesfor two digits), and pause time (time required to send a pause character). Allthree are set in milliseconds, and are set automatically during initialization.Follow this procedure to step through the list of precoded times.1. Press ƒ••‚ and enter the Installer password.2. Press ^ . The display shows 1. Telephony Data .3. Press ^ , then * until the display shows DTMF Timing.4. Press ^. The display shows Tone burst: and the currentsetting.5. Press CHANGE to search through the precoded times. The last valuedisplayed is automatically selected.6. Press *. The display shows Interdigit: and the currentsetting.7. Press CHANGE to search through the precoded times. The last valuedisplayed is automatically selected.8. Press *. The display shows Pause: and the current setting.9. Press CHANGE to search through the precoded times. The last valuedisplayed is automatically selected.10. Press ® to return to the category menus or press * tocontinue in Configuration programming.Pulse code modulation modePulse code modulation (PCM), which can be changed only if the installerselected Custom during the country selection procedure, defines how analogvoice signals are encoded for transmission. The PCM mode is setautomatically to μ-law or A-law during initialization.
