142BHT-904B/BHT-914B4.5.161.he MODIFY MENU screen displays as shown on the right.: SYSTEM MODIFY]: Updates the BHT system.[2: CU-F/W MODIFY]: Updates the CU-911 system.o the SYSTEM MENU.[1] Updating the BHT systempdate the BHT system after downloading the BHT system update file.efer to section “4.2.1 Updating the BHT System” for details.)n press the ENT key.ownloaded BHT update file name differs from this file name,pecify the correct file name using the procedure on the following page.m.Displays the filename to be used for updating the BHT system.Press the Ba STEM PARAMETER menu.2. Use the cursor keys ([[1: DO IT] and then press the ENT key.The screen shown on the right displays and the BHT system is updated.Upon completion of the update, the BHT power turns OFF automatically. Important In order to prevent the battery running low during thesystem update process, perform the system update withthe batteries sufficiently charged, with the batteriescharging via a USB cable, or with the BHT placed in theCU-900 Series. During system update, the power will notturn OFF even if the Power key (Updating the System (MODIFY MENU)Use the following procedure to update the system.Press the dot key while holding down the SF key at the SYSTEMMENU.T[1Refer to the following section for details of the above items.Press the Backspace/clear key to return tU(R1. Use the cursor keys ([▲] [▼]) or numeric key ([1]) to highlight[1: SYSTEM MODIFY] and theThe screen displays as shown on the right.If the ds[1: DO IT]:Updates the BHT syste[2: FILENAME]:ckspace/clear key to return to the SY▲] [▼]) or numeric key ([1]) to highlight) is pressed. Wait untilthe system update process before operatingthe BHT.is complete
