t SpeakerSounds such as the alarm come out of the speaker. Sound does notcome out of the speaker when earphones or headphones are con-nected to the headphone jack.y Program buttonsPushing the program buttons starts the program assigned to thatbutton. The four default settings are, from the upper left, Menu [ ],Calendar [ ], Contents [ ], and Inbox [ ].u Microphone MICDirect your voice here when recording on the Pocket Word or Memoscreen.i Infrared communication portUsed for date communications by the IrDA interface.o Battery pack coverThis is the cover for the battery pack. Be sure to keep the batterypack cover locked.!0 UP/DOWN buttonMoves the cursor and similar items up and down on the computerscreen.!1 Action buttonOperates as the Enter key on the computer. Also, it has several func-tions when the 5 way cursor button is pressed at the same time.!2 Reset switchThis switch resets the computer, similar to turning off and on thepower switch. Reset the Rugged PDA when some abnormality oc-curs, such as if the buttons or tap operations stop working.!3 Headphone jackYou can attach commercially available earphones or headphones(3.5 mm dia) to the headphone jack.Remove the rubber cover to use it.!4 Hand strap holeYou can attach a commercially available hand strap.!5 Eject buttonUse the eject button to remove CF (compact flash) cards.!6 SD card slotYou can insert either one SD memory card or one multimedia card.!7 CF card slotYou can insert one CF card.!8 Stylus holderThe stylus (pen) is stored here.