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Some DSC comments serve a second function, specifying a way to tell the document manager to do certain things, like inserting a font or other PostScript code (collectively called resources) into the file. DSC comments that serve this second function are more akin to preprocessing directives and are not purely comments. Documents using those ...
VA Dcc - VA Dsc Visual acuity with Distant chart with correctors Visual acuity with eye chart at Distant 20 feet (6 m) and with (cc: Latin cum correctore) correctors (spectacles); Dsc is without (sc: Latin sine correctore) correctors. See Visual_acuity#Legal_definitions: VA Nsc - VA Ncc Visual acuity with Near chart without correctors
A Distress DSC call is called an Alert. Urgency, Safety and Routine are called Announcements. Class A VHFs, used on commercial ships, have the ability to send distress, distress relay, all ships urgency, all ships safety, individual, group, geographic area and telephone alerts/announcements on DSC channel 70 (Digital channel reserved for DSC ...
8 Handheld VHF transceiver with DSC and GNSS [3] 9 Devices using a free-form number identity: [2] Search and Rescue Transponders (970yyzzzz) [note 2] [4] [note 3] [5] Man overboard DSC and/or AIS devices (972yyzzzz) [note 2] 406 MHz EPIRBs fitted with an AIS transmitter (974yyzzzz) [note 2] craft associated with a parent ship (98MIDxxxx) [note 4]
Maritime identification digits are used by radio communication facilities to identify their home country or base area in digital selective calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic identification system (AIS) messages as part of their Maritime Mobile Service Identities.
Usually, two digits would mean 100 (00−99) combinations in decimal code or (36×36=1296) combinations in alphanumeric code. But as there are only 12 months, there are only 12 combinations. It is the same with the day (two digits and 31 combinations or less, depending on the month).
Meaning 1: 1: alpha: P, indicating a passport 2: 1: alpha+ < Type (for countries that distinguish between different types of passports) 3–5: 3: alpha: Issuing country or organization (ISO 3166-1 alpha-3 code with modifications) 6–44: 39: alpha+ < Surname, followed by two filler characters, followed by given names. Given names are separated ...
The passport number will also be laser cut as perforated holes that get progressively smaller through pages—just one of several components of the "Next Generation" passport, including artwork upgrade, new security features such as a watermark, "tactile features," and more "optically variable" inks. [35]