Quick Instructions for How to Set the Optimus Cassette Recorders For Recording a Conversation or Meeting To record: 1) Connect external microphones to recorders MIC input. 2) Set MIC SENSITIVITY to HI. 3) Set REC SPEED to NORM. 4) Set DIRECTION to FWD. 5) Set VOX to OUT. 6) Set VOICE ZOOM to ON. 7) Set PAUSE to OFF. 8) The VOLUME and PLAYBACK settings don't matter during recording. 9) Clip the external microphones to something soft and point them UP. They have a hemispherical pickup pattern. 10) Turn ON the external microphones! 11) Press the red RECORD button to start recording. * You can test the recorders by recording something and playing it back through the built-in speaker. This will ensure that the microphones are properly connected and turned on. * When the DIRECTION switch is set to FWD the REWIND button is the one next to the STOP button. If the DIRECTION switch is set to REV the same button is now the FAST FORWARD button. * The tape should reverse direction and continue recording when it reaches the end of the first side, and stop completely when it reaches the end of the second side. * You can check the batteries using the LED's on the front of the recorder by pressing STOP. * The microphone batteries should last a long long time, even if they are left on, but try to turn them off when you're done with them. * Set REC SPEED to EXT to get double the recording time at the cost of lower fidelity. * VOICE ZOOM cuts high and low frequencies to accentuate voices. * You should get 8 hours battery life with new AA alkalines.