Honeywell bendis king KLN 94 Maintenance Manual page 46

BENDIX/KING
B. Press the "MSG" button to activate alignment of the Vertical Deviation Circuit.
Turn the right outer knob, of the KLN 94 front panel, to get 0 ± 2.0mV between VER-
C.
TICAL DEV +UP (P942-13) and VERTICAL DEV +DOWN (P942-14), on the digital
voltmeter.
D. Press the "ENT" button, to store the calibration offset in the unit's non-volatile RAM.
When calibration of the Vertical Deviation Circuit is accomplished, perform the following:
A. Advance to the TST 11 page.
B. Check of Default Setting
Adjust the dimming knob for full brightness. Depress the CRSR button to activate
the alignment of contrast. Turn the right inner knob of the KLN 94 front panel (clock-
wise for increment and counterclockwise for decrement) until the highlighted con-
trast value reads "128 DEFAULT". If it is not possible to read the display at this set-
ting, follow the instructions in part D of this procedure.
C. Final Adjustment
With the contrast value highlighted, turn the right inner knob clockwise until the high-
lighted contrast value is near the high end of the range, but the text is still readable.
Next, lower the contrast value while observing the color of the white text. As the con-
trast value is decreased, a transition point must be reached where the white text los-
es its yellowish tint and becomes bluish-white. When that point is reached, turn the
knob back clockwise so that the contrast value is 15 units greater than at the transi-
tion point, thereby causing a slight yellowish tint to return to the white text. This in-
dicates the point of best contrast.
The contrast value must now read within the range of 20 to 235. If it is outside this
range, follow the instructions in Paragraph D. of this procedure. If within this range,
depress the ENT button to store the calibration offset in the unit's non-volatile ram.
Then, depress CRSR to end the contrast alignment process.
D. Adjustment of the LCD Color Display's Variable Resistor
Rev 0, Sept/2000
TST 6
TST 11
Do not make this adjustment unless indicated by in-
structions in part B or C of this procedure.
15599M00.JA
DEV CAL
VERTICAL
Press MSG
to activate
DISPLAY CONTRAST ADJ.
128
NOTE:
KLN 94
Page 5-7