Fig. 2.7 Screen 6, Interface Setup screen.
This screen shows the main graphic echo-gram. Left hand digital indication may be enabled from screen 2.
Soft Key 1. PULSE 100/200/400/20000 Log pulse input calibration.
Soft Key 2 ENABLE pos/neg select polarity of external sync signal
(remote sounding control option)
Soft Key 3 NMEA OUT async(1s) / Select between synchronous (with sampling rate)
synchronous and asynchronous (1s period) NMEA output update.
Soft Key 4 not used
Soft Key 5 UPPER 0 - 98m Analogue output shallow limit = 0V.
Soft Key 6 LOWER 0 - 99m Analogue output deep limit = 10V.