Motorola SL4000 - 3.3.3 Display Test Mode

3-6 Transceiver Performance Testing: Test Mode
3.3.3 Display Test Mode
1. Press and hold the P1 button in RF Test Mode. The radio beeps once and momentarily
displays “Display Test Mode.”
2. Upon entering the Display Test Mode, the radio displays a white background with “Display
Test Mode” in black font.
3. Upon any button/key press, the radio displays black active background with “Display Test
Mode” in white font.
4. Upon any button/key press, the radio shows solid red color display.
5. Upon any button/key press following the above display, the radio shows green color display.
6. Upon any button/key press following the above display, the radio shows blue color display.
7. Upon any button/key press following the above display, the radio shows a big 46% grey “+”
on black background.
8. Upon any button/key press following the above display, the radio shows a big 46% grey 90
degrees rotated “H” on black background.
9. Upon any button/key press following the above display, the radio shows a big 46% grey “H”
on black background.
10. Upon any button/key press following the above display, the radio displays a black horizontal
line in between two white horizontal lines.
11. Upon any button/key press following the above display, the radio displays a red horizontal line
in between two white horizontal lines (increasing one colored horizontal line above and one
below the center row). Once the horizontal lines cover up the screen, the radio shows red
color display.
12. When the screen is filled up with horizontal lines, any button/key press clears the screen and
displays red and white vertical lines at column 0,3,6,9,12,15,18,21,24,27,30. Any button/ key
press fills the screen with vertical lines of the next color, (1 line to the right of any existing line)
until the display is filled up with black display.
13. Once the radio shows solid black color display, the next button/key press clears the screen
and displays the first 10 available icons on the screen. Successive button/key press displays
the remaining 4 icons.
Table 3-4. Receiver Performance Checks
Test
Name
IFR Setting Radio Test Set Comments
Receiver
BER
IFR DMR mode. Signal
generator with 0.153 test
pattern
Test Mode,
Digital mode,
receive 0.153
test pattern
Read BER using
Tuner. Adjust RF
level to get 5% BER
RF level to be
<0.35uV for 5% BER
NOTE
Each key press will change the screen color from, red->green->blue->black->red.
NOTE
Each key press will change the screen color from red->green->blue->black->red->black.