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--- skyperdescription [2019/06/17 19:54]
dg5ffn
+++ skyperdescription [2023/05/08 20:58] (aktuell)
dj7lc [X-Ray image of a Skyper 2]
@@ Zeile 3: / Zeile 3: @@
 {{::skyper:skyper2.jpg?direct&400 |}}
-These pagers normally come with a (more or less) hard-coded RIC. It can be found on a small label on the back side. It is not! the "Skyper Nr."  but the second part of the "ID Nr.". It is contains 7 digits of which the last four are underlined (has been used as a PIN in the former life of those units).
+These pagers normally come with a (more or less) hard-coded RIC. It can be found on a small label on the rear side. It is __not__ the "Skyper Nr."  but the second part of the "ID Nr." and consists of seven digits of which the last four are underlined (have been used as a PIN in the commercial Skyper service).
-These units support automatic time synchronisation to the DAPNET transmitter/core and rubric messages. The latter need an activation which can be sent out from the hampager portal (See "rubrics"). The rubrics abonnement is apparently lost if the battery dies.
+These units support automatic time synchronisation to the DAPNET transmitter/core as well as rubrics messages. The latter need an activation which can be sent out from the hampager portal (see "rubrics"); the activation is stored in non-volatile memory.
+The rubrics list, the rubrics contents and your individual rubrics subscription however are stored in SRAM and are lost if your battery runs out of power. If this happens, don't worry - the rubrics list is periodically transmitted by the DAPNET core. Just wait until the Skyper has received the list (this may take several hours) and you are able to subscribe to the rubrics again. If you want to avoid this, be sure to replace a weak battery in time.
+==== Skyper versions ====
+There are various versions of Skypers (e.g. Skyper 1, Skyper 2, Skyper 2/A...). The hardware is identical, but they have different firmware features (and bugs...). For example, the Skyper 2 and up versions have auto-repeat/scrolling in the rubrics list and automatic time resynchronization every Sunday morning. They also turn on automatically after inserting a new battery - the Skyper 1 must be turned on by holding the "M" key. There are a lot more differences between the firmware versions, which are related to closed user groups, overwriting messages etc... DAPNET currently does not use these features, so all Skyper versions are suitable. The hardware modification procedure is always the same.
 ===== Modification for UHF ham band use =====
@@ Zeile 181: / Zeile 185: @@
 {{:smd_kurzhub_mikroschalter.jpg|}}
+===== X-Ray image of a Skyper 2 =====
+{{:skyper:x-ray_skyper2.jpg|}}
+Image curtesy of the telegram user "Uran"
+===== Used time zone =====
+The skyper gets its time settings "over the air". Time is broadcasted via RIC 2504 (hard encoded) and in DAPNET UTC is used (and cannot be changed in the skyper itself).

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