[. . . ] The model number is located at the rear panel and the serial number is located inside the battery compartment. Refer to these numbers whenever you call upon your Sony dealer regarding this product. The following FCC statement applies only to the version of this model manufactured for sale in the USA. You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. [. . . ] 1 Press ERASE while playing back The message you want to erase or press ERASE for more than 1 second during stop mode. A beep will sound and the message number and "ERASE" will flash while the whole message is played back 10 times. (For example, if you erase Message 3, Message 4 will be renumbered as Message 3. When erasing is completed, the unit will stop at the beginning of the following message. First divide the message and then follow the steps to erase the message. You can divide a message during recording or playback, so that the message is divided into two and the new message number is added to the divided message. By dividing a message, you can easily find the point you want to play back when you make a long recording such as a meeting. You can divide messages until the total number of messages in the folder becomes 99. While recording or playing back a message, press DIVIDE at the point you want to divide. When you press DIVIDE during recording: The new message number is added at the point you pressed the button, and the new message number and "DIVIDE" flash three times. The message will be divided into two; however, the messages will be recorded without a break. When you press DIVIDE during playback: The message is divided into two at the point you pressed the button, and the new message number and "DIVIDE" flash three times. Press ­ or + to display the message number as the divided messages each have message numbers. 1 While the unit is stopped, select the In that case, reduce the number of messages to 98 or less by erasing unnecessary messages or by moving some of the messages to another folder before dividing a message. If you divide a message with an alarm setting, the alarm setting remains only with the former message divided. If you divide a message frequently, the unit may become unable to divide a message. Once a message is divided, you cannot combine the divided messages with the IC recorder. When you move a message to another folder, the one in the previous folder will be deleted. Each time you press MENU/DISPLAY, the display mode will change as shown below: On the current time display If the unit is left unoperated for more than 3 seconds in the stop mode, the display will show the current time, regardless of the display mode setting. If the unit is left unoperated for more than 3 seconds, the display will show the current time and the selected recording mode will be displayed. During recording and playback, the OPR (operation) indicator lights or flashes. When the IC recorder is connected to the USB connector of your computer, the OPR indicator always flashes regardless of the menu setting. [. . . ] Depending on the file format, you cannot use part of editorial features of the software. This happens when you play back messages that you divided, combined, overwrote, or added a recording. Save a message in the hard disk first, and then add it to the IC recorder. When the total number of messages increases, the operation becomes slower, regardless of the length of the recording time. [. . . ]