C-5
OP27, OP37 Equipment Manual
Release 05/99
Display Test
Initiated by Key
Result
DISPLAY
K7
The display test consists of the following
four individual tests, each of which can be
performed on its own:
White
Pixel test of the screen surface,
the entire display goes white.
Black
Pixel test of the screen surface,
the entire display is blanked.
Grid
The grid lines are displayed.
Characters
The character set is displayed.
Functional
Unit Test
Initiated by Key
Result
WATCH-
DOG
K8
This test verifies whether the watchdog,
once triggered, initiates a restart when the
trigger stops.
RTC/
BATTERY
K9
The battery connection and hardware
clock are tested (floating bit test).
TEST
ENTRIES
K10
This function is reserved and must not be
selected.
Internal functional
units
Test Functions
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com