09.07.2015 Views

IC-910H Service manual.pdf - N3UJJ

IC-910H Service manual.pdf - N3UJJ

IC-910H Service manual.pdf - N3UJJ

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

5-6 SOFTWARE ADJUSTMENTADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATIONENTERINGSOFTWAREADJUSTMENT1• Enter software adjustment mode:1 Turn power OFF.2 Terminate the [REMOTE] jack with a3.5(d) mm mini-plug.3 While pushing [RIT] and [SATELLITE]keys, turn power ON.The display shows the selectionitem scleen for the adjustmentmode, push [0]–[9] key to selectadjustment item. Once enterringadjustment mode, use [UP]/[DOWN]key to skip/back items, or [ENT] toreturn the selection item screen.CAUTION:NEVER select ajustment items [6]–[9] key on the selection item screen while transceiver is connected to an SSG.Because transceiver automatically transmits when transmit items [6]–[9] is selected.ADJUSTMENTITEM (0)VOLUMECENTER1• Push [0] to enter the volume center setting.• Set the [RIT] and [SHIFT] controls to center.Push [RIT] key to set the volumecenter positions, and to step next.PLL UNLOCK1• Wait for a while.USBVerify the unlock detection for VHFby blinking the frequency on the display,then push [RIT] key to stepnext.2USBVerify the unlock detection for UHFby blinking the frequency on the display,then push [RIT] key to exit volumecenter setting to selection itemscreen.ADJUSTMENTITEM (1)TUNED BPF(for 144 M)1• Push [1] to enter the receiver adjustment.• Connect a standard signal generator to[VHF ANT] connector and set as:Frequency : 136.02150 MHzLevel : 50 µV* (–73 dBm)Modulation : OFF• ReceivingUSBPush [RIT] key to tune the “144 tune1”, and to step next.2• Set an SSG as :Frequency : 146.02150 MHzLevel : 50 µV* (–73 dBm)• ReceivingUSBPush [RIT] key to tune the “144 tune2”, and to step next.3• Set an SSG as :Frequency : 146.02150 MHzLevel : 50 µV* (–73 dBm)• ReceivingUSBPush [RIT] key to tune the “144 tune3”, and to step next.(for 430 M)4• Set an SSG as :Frequency : 420.02150 MHzLevel : 50 µV* (–73 dBm)• ReceivingUSBPush [RIT] key to tune the “430 tune1”, and to step next.5• Connect an SSG to [UHF ANT] connectorand set as :Frequency : 440.02150 MHzLevel : 50 µV (–73 dBm)• ReceivingUSBPush [RIT] key to tune the “430 tune2”, and to step next.6• Set an SSG as :Frequency : 479.98150 MHzLevel : 50 µV* (–73 dBm)• ReceivingUSBPush [RIT] key to tune the “430 tune3”.Turn power OFF and ON to returnthe normal operation mode. Thenstart the receiver adjustments (page5-3).*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.5 - 12From The <strong>N3UJJ</strong>.COM Document Library

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!