User manual ICOM IC-120

[. . . ] 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. NEVER place the transceiver where normal operation of the vehicle may be hindered or where it could cause bodily injury. SAVE THIS INSTRUCTION MANUAL -- This instruction manual contains important operating instructions for the IC-120 VHF TRANSCEIVER and IC-F210S UHF TRANSCEIVER. EXPLICIT DEFINITIONS DEFINITION Personal injury, fire hazard or electric shock RWARNING may occur. [. . . ] Consult your Icom Dealer or System operator for details concerning your transceiver's programming. In the following explanations, programmable function names are bracketed. The specific switch used to activate the function depends on programming. ¡ CH UP AND DOWN KEYS Select an operating channel. CH UP CH DN ¡ 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 ¡ BANK KEY Select and determine a bank number. BANK CH4 ¡ SCAN START/STOP KEY Push this key to start scanning; and push again SCAN A to stop. SCAN B ¡ 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. NOTE: Place the microphone on hook to start scanning. Take the microphone off hook to stop scanning. 3 PANEL DESCRIPTION ¡ MONITOR KEY Activates one of (or two of) the following functions MONI on each channel independently: · Push and hold the key to unmute the channel (audio is emitted; `Audible' condition). Push [P2] and [P3] to set the desired level/condition. Push and hold this key again to exit set mode. · User set mode also available via the `Power ON function'. 5 · This transceiver requires version #02 of these units. Do not install version #01, as they are not compatible. · Some PC board modifications are required when installing UT-109 and UT-110. Please refer to `Optional UT-109/UT-110 installation'. (p. 12) · Please contact your Dealer for details. OPERATION I Turning power ON q Push [ ] 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. 2 I Channel selection Several types of channel selection are available. The methods may differ according to your system setup. e When all channel indicator LEDs still blink after inputting 4 digits, the input code number is incorrect. [. . . ] Replace the bottom cover and screws, then re-connect the DC power cable. UT-108 Flat washer Front panel Spring washer When using self-tapping screws 11 CONNECTION AND MAINTENANCE 3 I Optional UT-109 /UT-110 installation q Turn the power OFF, then disconnect the DC power cable. w Unscrew the 4 screws, then remove the bottom cover. e Cut the pattern on the PCB at the TX mic circuit (MIC) and RX AF circuit (DISC) as shown below. r Install the scrambler unit as described in optional UT-108 installation in the page at left. [. . . ]