Software Adjustment - Icom IC-910H Service Manual

5-6 SOFTWARE ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITION
ENTERING 1 • Enter software adjustment mode:
SOFTWARE 1 Turn power OFF.
ADJUSTMENT 2 Terminate the [REMOTE] jack with a
3.5(d) mm mini-plug.
3 While pushing [RIT] and [SATELLITE]
keys, turn power ON.
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.
ADJUSTMENT 1 • Push [0] to enter the volume center set-
ITEM (0) ting.
VOLUME • Set the [RIT] and [SHIFT] controls to cen-
CENTER ter.
PLL UNLOCK 1 • Wait for a while.
2
ADJUSTMENT 1 • Push [1] to enter the receiver adjustment.
ITEM (1) • Connect a standard signal generator to
TUNED BPF [VHF ANT] connector and set as:
(for 144 M) Frequency
Level
Modulation
• Receiving
2 • Set an SSG as
Frequency
Level
• Receiving
3 • Set an SSG as
Frequency
Level
• Receiving
(for 430 M) 4 • Set an SSG as
Frequency
Level
• Receiving
5 • Connect an SSG to [UHF ANT] connector
and set as
Frequency
Level
• Receiving
6 • Set an SSG as
Frequency
Level
• Receiving
*This output level of a standard signal generator (SSG) is indicated as SSG's open circuit.
: 136.02150 MHz
: 50 µV* (–73 dBm)
: OFF
:
: 146.02150 MHz
: 50 µV* (–73 dBm)
:
: 146.02150 MHz
: 50 µV* (–73 dBm)
:
: 420.02150 MHz
: 50 µV* (–73 dBm)
:
: 440.02150 MHz
: 50 µV (–73 dBm)
:
: 479.98150 MHz
: 50 µV* (–73 dBm)
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DISPLAY
USB USB
USB USB
USB USB
USB USB
USB USB
USB USB
USB USB
USB USB
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OPERATION
The display shows the selection
item scleen for the adjustment
mode, push [0]–[9] key to select
adjustment item. Once enterring
adjustment mode, use [UP]/[DOWN]
key to skip/back items, or [ENT] to
return the selection item screen.
Push [RIT] key to set the volume
center positions, and to step next.
Verify the unlock detection for VHF
by blinking the frequency on the dis-
play, then push [RIT] key to step
next.
Verify the unlock detection for UHF
by blinking the frequency on the dis-
play, then push [RIT] key to exit vol-
ume center setting to selection item
screen.
Push [RIT] key to tune the "144 tune
1", and to step next.
Push [RIT] key to tune the "144 tune
2", and to step next.
Push [RIT] key to tune the "144 tune
3", and to step next.
Push [RIT] key to tune the "430 tune
1", and to step next.
Push [RIT] key to tune the "430 tune
2", and to step next.
Push [RIT] key to tune the "430 tune
3".
Turn power OFF and ON to return
the normal operation mode. Then
start the receiver adjustments (page
5-3).