Technical Details
- The PV-100 did not have a back light. While the back light was available on PV-200 onwards, Casio by default did not allow the back-light to remain on more than 30 seconds. Casio did not recommend extending the duration of the back light citing damage and battery drain. as A third party application back light extender add in was required to keep the back light on beyond the default duration. The back-light was Casio's trade marked EL-back-light, which is an electro-luminescent panel that causes the entire face to glow.
- The PV-S1600 did not use a NEC V30MZ processor, but used a Hitachi SH-3. The processor architectures are not compatible hence programs compiled for the earlier architectures do not work on the PV-S1600 without recompilation. OWBasic programs will work as they run in an interpreter.
- The NEC V30MZ was a 16 bit processor which used a segmented memory space. An indirect consequence is that those models can download a maximum of 16 addins
- The file system is divided into PVOS modes and sub modes. Each record is part of a file that is specified by mode and submode. Depending on the mode data sets are null-terminated in either binary or text format. Binary data sets are to 3 KB or 32 KB (records that are greater than 3 KB, can be loaded only into the far-segment, PV-S1600 has no restriction), text data sets to 2 KB (PV-S1600: limited 32 KB).
- The PV-750 has an IrDA port. Using IrDA, it is possible to send and receive email messages using a GSM-enabled mobile phone. SMS can also be sent on the PV-750Plus. The address book of the mobile phone can also be synchronized with that of PV. Casio's operating system update for the PV-750 gives it the same functionality of the PV-750Plus.
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