User manual ICOM IC-F221S

[. . . ] INSTRUCTION MANUAL VHF TRANSCEIVER iF111S iF121S UHF TRANSCEIVER iF211S iF221S IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. PRECAUTION RWARNING!NEVER connect the transceiver to an AC outlet. This may pose a fire hazard or result in an electric shock. NEVER touch the transceiver (especially the heat sink) when transmitting continuously for long periods. [. . . ] DTMF NOTE: The unmute condition (`Audible' condition) may automatically return to the mute condition (`Inaudible` condition) after a specified period depending on the pre-setting. ¡ OUTPUT POWER SELECTION KEYS Select the transmit output power temporarily, or H/L permanently, depending on the pre-setting. · Ask your Dealer or System Operator for the output power level for each selection. ¡ CALL KEY Transmit a 2-tone, 5-tone code. CALL · Call transmission is necessary before you call CAL A another station depending on your signaling system. CAL B · The [CAL A] and/or [CAL B] keys may be available when your system employs selective `Individual/Group' calls. Ask your Dealer which call is assigned to each key. 4 1 PANEL DESCRIPTION ¡ SCRAMBLER KEY · Push and hold to turn the voice scrambler funcSCRM tion ON. · Push this key to turn the voice scrambler function OFF. NOTE: · The optional UT-109 (#02) or UT-110 (#02) VOICE SCRAMBLER UNIT is required. ­ UT-109: Non-rolling type. 1020 (4 groups × 255) codes are available. ¡ 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. · Depending on the pre-setting, the emergency call is transmitted one time only, or repeatedly, until receiving a control code. ¡ Hook Scan Several functions are available for the hanger HOOK function when taking the microphone from its hanger (hanger-off) and/or returning it to the hanger (hanger-on). ¡ USER SET MODE KEY Changes the contents of the items in the User Set SET mode. · Push and hold this key for 1 sec. Push this key again momentarily to select the desired item. 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'. [. . . ] The same as that supplied with the transceiver. · HM-148 : Heavy duty microphone. UT-108 DTMF DECODER UNIT Provides pager and code squelch capabilities. UT-109/UT-110 (#02) VOICE SCRAMBLER UNIT · UT-109 : Non-rolling type (max. [. . . ]