Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung Nächste Überarbeitung Beide Seiten der Revision | ||
skyperdescription [2019/04/24 18:48] dg5ffn [Preset of display contrast] |
skyperdescription [2019/06/16 19:21] dg5ffn |
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Photos courtesy DK7TD | Photos courtesy DK7TD | ||
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===== Preset of display contrast ===== | ===== Preset of display contrast ===== | ||
Zeile 100: | Zeile 102: | ||
The initial setting was done by the manufacturer and normally this should work all right. | The initial setting was done by the manufacturer and normally this should work all right. | ||
- | Turning this trimpot clockwise will increase display contrast while turning counterclockwise will decrease contrast. | + | In case you have trouble with your display contrast it may be helpful to check this alignment according to the picture shown below. |
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+ | Turning this trimpot clockwise will increase display contrast while turning counterclockwise will decrease it. | ||
Please be aware that this is a very coarse setting. This SMD-trimpot has no upper or lower limitations. It can be turned around the full 360 deg. | Please be aware that this is a very coarse setting. This SMD-trimpot has no upper or lower limitations. It can be turned around the full 360 deg. | ||
- | The fine adjustment is done in the Skyper setup menu using the up and down keys. | + | The fine adjustment is done afterwards in the Skyper setup menu using the up and down keys. |
{{:p4240071.jpg|}} | {{:p4240071.jpg|}} | ||
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+ | ===== Separating the display board from the case ===== | ||
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+ | In case you have trouble with the silicone rubber keyboard or with the microswitches underneath | ||
+ | you may want to take display board and case of your Skyper apart. | ||
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+ | Another reason to do this may be that you want to clean the display and case from the inside. | ||
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+ | {{:p6160003y.jpg|}} | ||
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+ | Of course you can do this like DK7TD describes it using a small screwdriver. | ||
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+ | If you are unlucky you may end up with a display where some lines of pixels are missing | ||
+ | when you power up your Skyper afterwards. | ||
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+ | What has happened? While pulling out the display board this way the flexible board connector | ||
+ | atop of the LCD display may move and some pins can get loose. | ||
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+ | Should this ever happen there is no way to fix this. | ||
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+ | After experiencing this twice up to now (I have modified >20 Skyper) I asked myself: | ||
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+ | Is there a safer way to work on the display board? | ||
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+ | YES there is one. | ||
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+ | {{:smd_kurzhub_mikroschalter.jpg|}} |