[. . . ] OPERATING TEMPERATURE AND ENVIRONMENT To prevent malfunction, the translator should not be exposed to extreme temperatures such as below ­10 degrees or higher than 40 degrees. View in the Dark with the Green Backlit LCD · Auto powers off if there is no input for 5 minutes. TO SELECT FUNCTIONS Press successively the MODE (4) key to choose either HOME TIME ­ WORLD TIME ­ DAILY ALARM TIME ­ DATA FILE ­ PASSWORD LOCK SETUP. [. . . ] TO RECALL THE STORED SENTENCES Press RECALL (5), then or to search stored sentences. Press or to select the home city name then press ENTER (7) to confirm, and shift to set the year. Press MODE (4) until the screen shows "ALARM -- : --" , then press ENTER (7) to enable the alarm function. When hour digit blinks, press or to set Hour and Minutes ( and to shift position) then press ENTER (7) to confirm. Press MODE (4) until the screen shows the DATA FILE, then press ENTER (7) once so that the left cursor blinks. Press or to search from A~Z, a~z and 0~9, ( and to shift position) then press ENTER (7) to confirm. Will appear in the right corner and the left cursor will blink, press or to search and input numbers. It is recommended that all phone number data are stored in hard copy to prevent data loss. TO SEARCH DATA FILE RECORDS Press MODE (4) until DATA FILE is reached, then press or to search through records, press to view the phone number. TO EDIT RECORDS Search to the desired record, press ENTER (7) once, the left character will blink, then use or to correct, and to shift position then press ENTER (7) to confirm. TO DELETE STORED RECORDS When the stored record is shown, press CLEAR (8) once and select YES () or NO () to delete the stored record. Use , , and to enter a 4-digit password, then press ENTER (7) to confirm locked. If Data File is locked, a "LOCKED" message will be shown on the display when the MODE (4) key is pressed to Data File. Input the 4-digit password then press ENTER (7), Data File will then be temporarily be unlocked. [. . . ] for your convenience , 2 extra batteries have been included in the package. To insert or replace the batteries, turn the power off and do not press any button, move the case back battery door lock to OPEN, slide the battery door away, insert two pieces fresh batteries, making sure that polarity is correct, put the battery door back to the main unit then shut the battery door lock firmly. To retain phonebook records in Data file, battery replacement process must be completed within 60 seconds. [. . . ]