© Valeport Limited 2003
MIDAS Surveyor Operating Manual
Page 11
0420805d.doc
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OPERATION
The MIDAS Surveyor is operated by means of a 16 button membrane keypad, illustrated below:
The basic function of each key is as follows. More detailed descriptions are covered in subsequent sections of this
manual:
On
Turns instrument on. Has no effect when instrument is already On.
Off
Press for 5 seconds to turn instrument off through a controlled shutdown. Press and hold for 10
seconds to force a hardware restart if instrument has locked up.
Backlight
Repeated pressing or pressing and holding darkens backlight. When minimum lighting is reached,
the next press will revert to full brightness.
Contrast
Repeated pressing or pressing and holding darkens contrast. When maximum contrast is reached,
the next press will revert to minimum contrast.
Help
Causes a text message to be displayed on screen, describing the function of the current menu
choice. Disappears after approximately 20 seconds of inactivity.
Menu
Activates the on-screen setup menu. Disappears after approximately 3 minutes of inactivity.
Left
Navigate through the Menu setup screens
Right
Up
Down
Enter
Confirm choice
Escape
Go back one menu level (note that changes might still have been made)
F1
Press to turn Logging On/Off. Enter key required for confirmation
F2
Echosounder Reset. Press to cycle power to sounder, and return to minimum gain settings.
F3
Fix Mark button (only active when logging is ON)
F4
Log Pause/Continue (only active when logging is ON)
Off
Help
On
Contrast
Light
M
Surveyor
IDAS
GPS Echosounder
Enter
F1
F2
F3
F4
Esc
Menu