Io
SENSOR
Section 2 SMT-200 Operations
SMT-200 Operations and Technical Manual 2.00/R1
27
Display
Keys
Checks that all keys are functioning correctly. When
a key is pressed the corresponding block displayed
on the screen is shown in reverse video. Pressing
the same key again will remove the reverse video
block. Test all keypad keys in this manner. To quit
this test, press the
0
and
ENTER/START
key at the
same time.
Pixels
All display screen pixels are blacked to check
operation. Exit test by pressing any key.
Backlight
Display backlight is turned on and off at half second
intervals. Exit test by pressing any key.
Contrast
Contrast steps through each contrast step (0..15)
and displays the current setting. Exit test by
pressing any key.
Sound
Loudspeaker is driven with a frequency scaling
continually from 100 to 6000 Hz and with the
Frequency displayed. Exit test by pressing any key.
Hardware
Use the Diagnostics test plug for each of these tests.
Serial port
Rx and Tx lines are linked together and a
communications test run. If successful
Ok
is
displayed and with a failed test
Nok
.
InTemp
SMT-200 internal temperature is continually
measured and displayed. Exit test by pressing any
key.
ExTemp
SMT-200 external temperature probe is continually
measured and displayed. If no probe is connected
message
n/a
is displayed. Exit test by pressing any
key.
Battery
Battery voltage is monitored and displayed together
with the Low bat. Shutdown status.
Ok
is displayed
if the battery voltage is higher than 10.7 volts and
Low if below. Press any key to exit test.
Relay
Internal reference resistor (499
Ω
0.01%) and a
reference resistor connected to the geophone input
are measured and their values displayed.
Sine wave
Enter this sub menu to perform sine wave tests.
9>Diagnostics...
5>Display...
Display diagn.
----------------
1>Keys
2 Pixels
3 Backlight
4 Contrast
5 Sound
0 Back to diagn.
----------------
Keyboard
diagnostics
9>Diagnostics...
6>Hardware...
Hardware diagn.
----------------
1>Serial port
2 InTemp
3 ExTemp
4 Battery
5 Relay
6 Sine wave...
0 Back to diagn.
----------------
Serial port
diagnostics