User manual FURUNO LH-3000

[. . . ] LOUD HAILER LH-3000 SAFETY INSTRUCTIONS WARNING Do not open the equipment. Fire or electrical shock can result if a liquid spills into the equipment. Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire. Continued use of the equipment can cause fatal damage to the equipment. [. . . ] Clockwise rotation increases volume; counterclockwise rotation decreases it. 2. 5 Adjusting Listening Volume Turn the [LISTEN VOL] control to adjust the listening volume from the Loud Hailer's internal speaker and external speaker (if connected). 2. 6 Calling All Intercom Stations 1. In the standby mode, hold the microphone 2-3 cm from your mouth and press the PTT switch on the microphone. After speaking, release the PTT switch to return the equipment to the standby mode. Note: To call all intercom stations while sounding warning signals, see page 17. 11 2. Press the [Intercom Select] key until the indicator lights on the desired intercom station. After a one-second delay, a short tone sounds from the selected intercom station. Release the PTT switch to listen for a reply from the selected intercom station. After completing your conversation, press the [Hail Select] key to return to the standby mode. Note: To call a specific intercom stations while sounding warning signals, see page 17. 2. 8 Receiving a Call from an Intercom Station When an intercom station is calling the main station, the indicator for the calling station flashes on the main station's indicator and a tone sounds while the intercom station operator is pressing the station's calling switch. Automatically selecting a single calling station 1. In the standby mode, press the PTT switch on the microphone to answer the call. The LH-3000 automatically switches to the calling station and the flashing indicator then lights steadily. After you have finished your conversation, press the [Hail Select] key to return to the standby mode. Automatically selecting multiple calling stations When you receive a call from more than one station, the appropriate intercom station indicators flash and a tone sounds. When calls are received simultaneously, the low-number station will be selected first. After you have completed your conversation, press the [Hail Select] key to return to the standby mode. Press the PTT switch on the microphone again and the next low-number station will automatically be selected. After you have finished all intercom conversations, press the [Hail Select] key to return to the standby mode ("ALL" indicator lights). Calling all intercom stations while an intercom voice is selected 1. Press the [Intercom Select] key until the indicator lights for the desired station. To call another station, select the next station with the [Intercom Select] key. After you have finished all conversations, press the [Hail Select] key to return to the standby mode. Intercom station operation Press the button on the intercom to call. Press the [Hail Select] key until the indicator lights for the desired horn speaker(s). If necessary, adjust the output power to the speaker(s) with the [HAIL VOL] control. Release the PTT switch and the Loud Hailer will switch to the listening mode, using the speaker(s) as microphone(s). [. . . ] Then the equipment goes into standby, lighting the BOTH indicator every four seconds to indicate standby mode. See the next page for procedure flow. When an attempt is made to remove the Loud Hailer When an attempt is made to remove the Loud Hailer, the alarm sound is released through both horn speakers at maximum volume. The BOTH indicator lights every four seconds during the sounding of the alarm or the five-minute rest period. Disabling the alarm mode Press any key or switch other than the [AUX] or [DIM] key, or turn off the power. 19 2. OPERATION Enable alarm ALL, FWD, AFT and BOTH indicators light. YELP indicator goes off. [. . . ]