Service manual

Worker Switch Settings (WSW)
SM 5-99 M085/M086
Service
Maintenance
 Selector 3: Sending level of guard tone at phase 2
This selector sets the sending level of guard tone for 1800 Hz to be sent at Phase 2 in the V.
34 mode.
 Selector 4: Stepping down the transmission speed at fallback each
This selector determines how much the modem steps down the transmission speed at
fallback when called by the remote station. If this selector is set to "1," the modem may step
down the transmission speed from 33600 bps to 28800 bps by one-time fallback.
 Selectors 5 and 6: Automatic control of modem's EQM gain for proper transmission
speed choice
These selectors determine how the modem controls the EQM (Eye Quality Monitor) gain for
proper choice of the transmission speed, which applies if the modem selects higher
transmission speed than the possible speed so that it always repeats falling back.
 Selector 8: Detection of CED for stopping CNG
If this selector is set to "0," the detection time of CED specified by WSW43, selectors 4 and
5 will apply.