User manual ICOM IC-50L

[. . . ] NEVER connect the transceiver to a power source of more than 16 V DC such as a 24 V battery. This connection will ruin the transceiver. NEVER cut the DC power cable between the DC plug and fuse holder. If an incorrect connection is made after cutting, the transceiver might be damaged. [. . . ] ¡ SCAN TAG KEY Adds or deletes the selected channel to the scan TAG group. ¡ PRIORITY CHANNEL KEYS Push these keys to select priority A or priority B PRI A channel, respectively. PRI B ¡ OPERATING CHANNEL KEYS Select an operating channel directly. CH1 CH2 CH3 CH4 NOTE: The unmute condition (`Audible' condition) may automatically return to the mute condition (`Inaudible' condition) after a specified period depending on the pre-setting. ¡ LOCK KEY Push this key for 1 sec. to lock all programmable LOCK keys except the following: · [CALL] (incl. [CAL A] and [CAL B]), [MONI] and [EMER] keys. 4 1 PANEL DESCRIPTION ¡ CALL KEY Transmit a 2-tone, 5-tone code. CALL · Call transmission is necessary before you call another station depending on your signaling system. · The [CAL A] and/or [CAL B] keys may be available when your system employs selective `Individual/Group' calls. Contact your dealer about which call is assigned to each key. ¡ OUTPUT POWER SELECTION KEYS Select the transmit output power temporarily, or H/L permanently, depending on the pre-setting. · Contact your dealer for the output power level for each selection. CAL A CAL B ¡ TALK AROUND KEY Turns the talk around function ON and OFF. TA · The talk around function equalizes the transmit frequency to the receive frequency for mobile-to-mobile communication. ¡ EMERGENCY KEY Push and hold the key to transmit an emergency call. EMER · If you want to cancel the emergency call, push and hold (or push) the key again before transmitting the call. Scanning stops when receiving a call or when taking the microphone off hook. I Turning power ON ] to turn the power ON. w If the transceiver is programmed for a start up passcode, input the digit codes as directed by your dealer. · The keys in the table below can be used for password input: · The transceiver detects numbers in the same block as identical. Therefore "01234" and "56789" are same. KEY NUMBER e When the "PASSWORD" indication does not clear after inputting 4 digits, the input code number is incorrect. In this case, turn the power off and start over. 7 OPERATION 2 I Receiving and transmitting RECEIVING: q Push [ ] to turn the power ON. e When receiving a call, adjust the audio output level to a comfortable listening level. TRANSMITTING: r Take the microphone off hook. · 2-tone, 5-tone mute may be released. (The `audible' condition is selected and " " appears. ) · A priority channel may be selected automatically. D Transmitting notes · Transmit inhibit function The transceiver has several inhibit functions which restrict transmission under the following conditions: - The channel is in mute condition (`Inaudible' condition; " not appear). - A matched/un-matched CTCSS code is received. - The selected channel is a `receive only' channel. " does t Wait for the channel to become clear. · The channel is busy when " " appears. y Push the [CALL] key when initiating a call from your side. · Coded audio may be heard from the transceiver, then " " appears. · This operation may not be necessary depending on your signaling system. [. . . ] Contact your dealer about antennas and the best places to mount them. I Fuse replacement Two fuses are installed in the supplied DC power cable. If a fuse blows or the transceiver stops functioning, track down the source of the problem if possible, and replace the damaged fuse with a new rated one. Fuse rating: 20 A I Cleaning If the transceiver becomes dusty or dirty, wipe it clean with a soft, dry cloth. AVOID the use of solvents such as benzene or alcohol, as they may damage the transceiver surfaces. 17 OPTIONS SP-22 EXTERNAL SPEAKER Compact and easy-to-install. [. . . ]