Kenwood TK-790 Service Manual

Also see for FleetSync TK-790: Specifications Instruction manual Specifications Instruction manual

9TK-790/(B)/H(B)10. Public Address (PA)Public Address amplifies the microphone audio, and out-puts it through a PA speaker. PA is activated by pressing the[PA] Key. A confirmation tone sounds, and the displayshows PUBLIC ADDRESS (or PA). PA can be activated atanytime (scanning or non-scanning).The RADIO continues to scan & receive calls while in PAmode. Pressing PTT activates PA, and will override an in-coming call at anytime ; however, no RADIO transmissiontakes place. If [PA] is pressed again, a confirmation tone willsound, the display will return to the normal channel orSCAN display, and the PA function will turn off.11. Speaker Internal/External (SP)SP amplifies the received audio from the RADIO and out-puts it through a PA speaker. SP is activated by pressing the[SP] Key. A confirmation tone sounds and the SP icon is dis-played. SP can be activated at anytime (scanning or non-scanning).The RADIO transmits and operates normally while SP isactivated, but all received calls will be output through the PAspeaker. If [SP] is pressed again, a confirmation tonesounds, the SP icon goes off and the SP function will turnoff.12. Channel Name (AN)This function switches the 13-segment display (BASICPanel) or DOT MATRIX (L) display (FULL Panel) between al-phanumeric and Group-Channel number.If you want to change from alphanumeric display to chan-nel display, press [AN] Key. A confirmation tone sounds, andthe alphanumeric display changes to the channel display.If [AN] is pressed again, a confirmation tone sounds, andthe channel display changes back to the alphanumeric dis-play.13. Intercom (IC) ; Dual Head Configuration onlyIntercom (IC) allows one control head operator to talk tothe another control head operator. IC mode is activated bypressing the [IC] Key. A confirmation tone sounds andthe display shows INTERCOM. IC can be activated at any-time (scanning or non-scanning).The RADIO continues to scan & receive calls while in ICmode. Pressing PTT activates IC and will override an incom-ing call at anytime ; however, no RADIO transmission takesplace. If [IC] is pressed again, a confirmation tone sounds,the display returns to the normal channel or SCAN display,and the IC function will turn off.14. Home Channel (HC)This feature allows the radio operator to immediately se-lect a pre-determined “Home Channel” by pressing the [HC]Key. HC can be activated as follows.CASE1 : HC has been set as “HC (Fixed)”Non-Scan Scanning ScanMode temporarystoppingpress [HC] once Change to Home Channelpress [HC] again No effectCASE2 : HC has been set as “HC (Toggle)”Non-Scan Scanning ScanMode temporarystoppingpress [HC] once Change to Home Channelpress [HC] again Return to Change to Return tocurrent channel Revert Channel current channel15. Squelch Level (SQL)This function allows the radio operator to manually adjustthe squelch threshold in 16 steps (Level 0~15) via the frontpanel controls. To adjust the squelch level:(1) Press the [SQL] Key. A confirmation tone sounds, andthe RADIO enters Squelch Level Adjust Mode. In thismode, all signallings are canceled and audio is unmuted.The display shows SQUELCH XX (or SQL XX). (XX=squelch level)(2) Change the squelch level by pressing [ ] and [ ] Keys,or rotating the UP/DOWN Knob.(3) Press [SQL] again. A confirmation tone sounds, the dis-play returns to the normal channel, the level setting ismemorized, and Squelch Level Adjust Mode will turn off.* This feature can be initiated when the RADIO is not inscanning mode.16. Operator Selectable Tone (OST)This function allows the radio operator to change the pre-set decode QT/DQT, encode QT/DQT. You can select Dec/Enc OFF or from up to 16 decode/encode pairs (Pair No.1~16) programmed by the FPU. To select the Dec/Enc pairs:(1) Press the [OST] Key. A confirmation tone sounds, andthe display shows the OST Name which is memorized inthe channel for 2 seconds. The “OST” icon lights, andOST is enabled.Press [OST] again, and the OST icon goes off and OST isdisabled.(2) When the [OST] Key is held down, a confirmation tonesounds and the RADIO enters OST Select Mode.(3) Select the Dec/Enc pair by pressing the [ ] and [ ]Keys, or rotating the UP/DOWN Knob. The display showsTONE XX (XX=Dec/Enc pair number) or the OST Name.(4) Press [OST] again, a confirmation tone sounds, the dis-play returns to the normal channel, the pair is memorizedand OST Mode will turn off.* You can select a Dec/Enc pair on each channel.OPERATING FEATURES<><>