T9800 OPERATION MANUAL- Engineer mode
1. Press & Hold both “ELEVATION 
” and “SPEED 
” at the same time for 5 sec. Then, the display will show “Engineering Mode ”.
2. Press the "ELEVATION UP or DOWN" to select you want and press the “SELECT" key enter.
| KEY BEHALE FUNCTION |
|
|
UP | To scroll through the list of setting |
|
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DOWN | To scroll through the list of setting |
|
|
FAST | Add this show parameter of speed |
|
|
SLOW | Decrease this show parameter of speed |
|
|
SELECT | To Store up the parameter |
|
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Set the data/function Step.
Use the elevation arrow keys to scroll through the available functions press “SELECT” key enter, press the “SPEED” key to choose the data press “SELECT” key to save the data/function.
To exit, press “STOP” key
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