Because the "CID" suffix often denotes Caller ID compliance models distributed heavily in Asian and Middle Eastern markets, regional portals like Panasonic India Support frequently host this specific PDF download.
Even with the manual, you might encounter some common issues. Here are a few tips based on general Panasonic phone usage: panasonic kxtsc934cid user manual link
Choose your designated numeric keypad memory slot (e.g., [0] through [9]). Because the "CID" suffix often denotes Caller ID
Adjust the LCD contrast via the programming menu ([SET] -> "LCD CONTRAST"). Caller ID Not Displaying Names/Numbers panasonic kxtsc934cid user manual link
Press and then [Exit/Program] to return to the standby screen. 3. Storing Numbers in the Phonebook Memory Press [Program/Menu] .