Measuring Swr; Adjusting The Lcd - Icom IC-746 Instruction Manual

11
ADJUSTMENTS

11-3 Measuring SWR

1
ANT
1 3 5 7 9
S
Po
20 50
ALC
SWR
1 1.5 2 3
P. AMP
1
SWR meter
SWR
1 1.5 2

11-4 Adjusting the LCD

[MENU]
Menu 2
F1 F2
66
USB
20 40 60
BLANK
100% VFOA
AGC
S
3
Tuning dial
F3 F4
Push [F-3] to select the LCD menu.
The IC-746 has a built-in circuit for measuring antenna
SWR while in SSB mode — no external equipment or
special adjustments are necessary.
Make sure the antenna whose SWR you want to mea-
sure is connected, that output power is set to 30 W or
more and that [TUNER] is OFF.
While pushing [PTT], speak (a single, even pitch)
into the microphone.
CH
• The measured SWR appears in the display.
• When the SWR reads higher than 1.5, antenna adjust-
ment is necessary.
The function display backlighting and contrast can both
be adjusted to suit your preference and to provide op-
timum readability under varying lighting conditions.
Push [MENU] to select menu set 2.
Push [F3](
Push [F1] or [F2] to select the desired item to set.
Rotate the tuning dial to select the desired condition.
Push [MENU] 2 times to return to menu set 1.
F5
The LCD contrast can be adjusted from 0% (lowest
contrast) to 100% (highest contrast) in 1% steps.
• The default (shown at left) is 50%,
The LCD backlighting can be adjusted from 0% (dark-
est) to 100% (brightest) in 1% steps.
• The default (shown at left) is 50%,
) to select the LCD menu.