User manual ICOM IC-M90
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Manual abstract: user guide ICOM IC-M90
Detailed instructions for use are in the User's Guide.
[. . . ] INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.
SAFETY TRAINING INFORMATION
Your Icom radio generates RF electromagnetic energy during transmit mode. This radio has been evaluated for compliance at the distance of 2. 5 cm with the FCC RF exposure limits for "Occupational Use Only". In addition, your Icom radio complies with the folW ARN ING lowing Standards and Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for exposure to humans: · FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields. [. . . ] - Further adjustment of [VOL] may be necessary at this point.
IMPORTANT: To maximize the readability of your transmitted signal, pause a few sec. after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your mouth and speak into the microphone at a normal voice level. NOTE: The transceiver has a power save function to conserve the battery power. The power save function activates automatically when no signal is received for 5 sec. To prevent accidental prolonged transmission, etc. , the ICM90 has a time-out timer function. of continuous transmission.
r Push [Hi/Lo·
] to select the output power if necessary.
y Push to transmit u Release to receive
- "LOW" appears when low power is selected; "MID" appears when middle power is selected; no indication when high power is selected. - Choose low power to conserve battery power, choose high power for longer distance communications. - Some channels are for low power only.
q Power ON e Set volume Speaker
t Push and hold [PTT] to transmit, then speak into the microphone. - Channel 70 cannot be used for transmission.
Microphone w Set the squelch level e Set volume r Set channel w Set the squelch level t Set output power
y Release [PTT] to receive.
I Call channel programming
The call channel switch is used to select Channel 9 by default, however, you can program your most often-used channel in each channel group for quick recall. to several times to select the desired channel group (USA, INT, CAN) to be programmed. to select the call channel.
· "CALL" and call channel number appear.
I Lock function
This function electronically locks all switches (except for ]) to prevent accidental [PTT], [SQL·MONI] and [Hi/Lo· channel changes and function access. to turn the lock function ON and OFF.
Appears while the lock function is used.
I Signal strength indicator function
The received signal strength level is indicated by number of bars as below. 20) if desired.
Indication Signal strength No signal or very weak
e Push [16·9] again for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel programming condition.
· Call channel number to be programmed flashes.
r Push [Y]/[Z] to select the desired channel.
I Monitor function
t Push [16·9] to program the displayed channel as the call channel.
· The call flashing. channel number stop
The monitor function releases the noise squelch mute to check the volume level. to activate the monitor function.
·" " appears and audio is emitted.
I Adjusting the squelch level
To adjust the IC-M90's squelch level, use the [Y]/[Z] keys as desired below. In order to receive signals properly, as well as for the scan to function effectively, the squelch must be adjusted to the proper level. q Push [SQL·MONI], then adjust the squelch level with [Y]/[Z].
- "SQL" indicator starts blinking. - There are 11 squelch levels to choose from: OP is completely open; 10 is tight squelch; 1 is loose squelch level. - When no switch is pushed for 5 sec. , the transceiver returns to normal condition.
I Voice scrambler operation
D Activating the scrambler
The voice scrambler provides private communications. In order to receive or send scrambled transmissions, you must activate the scrambler function first. q Select an operating channel except Channel 16, 70 or weather channels. [. . . ] 410 g (14. 46 oz) · Modulation system · Microphone impedance · Max. frequency deviation [Marine] [LMR] · Adjacent channel power [Marine] [LMR] · Spurious emissions : 5 W (Hi), 3 W (Middle) and 1 W (Low) : Variable reactance frequency modulation : 2 k : ±5 kHz : ±5 kHz (Wide), ±2. 5 kHz (Narrow) : 70 dB : 70 dB (Wide), 60 dB (Narrow) : Less than 70 dBc typical
· Frequency coverage [Marine] TX RX [LMR] TX/RX · Mode [Marine] [LMR] · Channel spacing · Number of programmable ch. · Power supply requirement · Current drain (at 7. 5 V DC)
: Double-conversion superheterodyne · Sensitivity (12 dB SINAD) : 0. 25 µV typical · Squelch sensitivity : Less than 0. 35 µV typical (at threshold) · Intermodulation rejection ratio : 70 dB typical · Spurious response rejection ratio : 70 dB typical · Adjacent channel selectivity (Typical) [Marine] : 70 dB [LMR] : 70 dB (Wide), 60 dB (Narrow) · Audio output power : 0. 35 W typical at 10% distortion with an 8 load All stated specifications are subject to change without notice or obligation. · Receive system
· Useable temperature range [Marine] [LMR] · Frequency stability
· Antenna impedance · Dimensions (Projections not included) · Weight (with BP-225)
q Cut w Fold e Complete
Important operating instructions are summed up on this and the following page. [. . . ]
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