User manual ICOM IC-W31A SERVICE MANUAL
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Manual abstract: user guide ICOM IC-W31ASERVICE MANUAL
Detailed instructions for use are in the User's Guide.
[. . . ] · DO NOT transmit for more than 50% of total radio use time ("50% duty cycle"). Transmitting more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. The radio is transmitting when the "TX indicator" lights red. You can cause the radio to transmit by pressing the "PTT" switch. [. . . ] 1
s Front, top and side panels
q CHANNEL/WEATHER CHANNEL SWITCH [CH/WX·U/I/C]
· Selects and toggles the regular channels and weather channel when pushed. 6, 7) · Selects one of 3 regular channels in se- o quence when pushed for 1 sec. 6)
t TRANSMIT POWER/LOCK SWITCH [H/L·LOCK]
· Selects high, middle or low power when pushed. and Canadian channels
w CHANNEL UP/DOWN SWITCHES [Y]/[Z]
· Select an operating channel.
· Selects the SET mode condition of the item. · Stops dualwatch/tri-watch when either is activated.
u SQUELCH SWITCH [SQL·MONI] (p. 7) u y t r
· Push this switch, then set the squelch level with [Y]/[Z]. · Manually opens the squelch for channel monitoring when pushed for 1 sec.
e CHANNEL 16 SWITCH [16·9]
q · Selects Channel 16 when pushed. · Enters call Channel write mode when the call channel is selected and this switch is pushed w for 3 sec. 20)
Connects the supplied antenna.
r SCAN/TAG SWITCH [SCN·TAG] (p. 8) · No indicator appears when high power is selected.
!2 SQUELCH LEVEL INDICATOR (p. This indicator can be also used as an S/RF meter when the S/RF meter indicator setting is ON. (The S/RF meter appears while S/RF meter turned ON in SET mode. ) - Further adjustment of [OFF/VOL] may be necessary at this point.
For U. S. A version: To prevent accidental prolonged transmission, etc. , the IC-W31A has a time-out timer function. of continuous transmission.
q Power ON w Set volume t Push to transmit y Release to receive w Set squelch level r° Set output power
r Push [H/L] to select the output power if necessary.
- "LOW" appears when low power is selected; "MID" appears when middle power is selected; no indicator appears 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.
t Push and hold [PTT] to transmit, then speak into the microphone. - "TX" appears.
(The S/RF meter appears while S/RF meter is turned ON in SET mode. ) - Channel 70 cannot be used for transmission (for GMDSS use).
w° Set squelch level e° Set channel
y Release [PTT] to receive. 8
s Call channel programming
The call channel switch is used to select Channel 9 by default, however, you can program your most often-used channels in each channel group for quick recall. to select the call channel of the selected channel group.
- "CALL" and call channel number appear.
r Push [Y]/[Z] to select the desired channel.
t Push [16·9] to program the displayed channel as the call channel.
- The call channel number and channel group stop flashing.
e Push [16·9] again for 3 sec. (until long beep changes to 2 short beeps) to enter call channel programming condition.
- Call channel number and channel group to be programmed flash.
s Automatic backlighting
This function is convenient for nighttime operation. 15) · Push any key except for [PTT] to turn the backlighting ON.
- The backlighting is automatically turned OFF after 5 sec. of inactivity.
q Select the desired operating channel. w Push [DW·TRI] momentarily to start dualwatch; push [DW·TRI] for 1 sec. [. . . ] BP-224 must be charged for 812 hours only.
IC-W31A BP-224 Charge indicator Lights green when BP-224 (with/without IC-W31A) is inserted.
s Installing batteries in the battery case (Not supplied with some versions)
When using a battery case attached to the transceiver, install 6 × AA(R6) size alkaline batteries as illustrated below. CAUTION: · When installing batteries, make sure they are all the same brand, type and capacity. It's a good idea to clean battery terminals once a week.
AC adapter (BC-147A/E)
s Optional battery chargers
D Rapid charging with the BC-119N+AD-103
The optional BC-119N provides rapid charging of battery packs. · AD-103 · An AC adapter (may be supplied with BC-119N depending on version).
D Rapid charging with the BC-121N+AD-103
The optional BC-121N allows up to 6 battery packs to be charged simultaneously. [. . . ]
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