Icom IC-7700 Keyer Repeat Time, Dot/Dash, Ratio, Rise Time, 4ms

RECEIVE AND TRANSMIT 4

DKeyer set mode

This set mode is used to set the memory keyer repeat time, dash weight, paddle specifications, keyer type, etc.

• Setting contents

q During CW mode operation, push [F-3•KEYER] to select memory keyer screen.

w Push EXIT/SET to select memory keyer menu, then push [F-4•CW KEY] to select keyer set mode.

e Push [F-1•Y] or [F-2•Z] to select the desired set item.

r Set the desired condition using the main dial.

• Push and hold [F-4•DEF] for 1 sec. to select the default

∫	√	DEF	EXIT/SET	Main dial	condition or value.
F-1	F-2	F-4
					t Push		twice to normal screen.
						EXIT/SET

• Keyer set mode screen

Keyer Repeat Time 2s

When sending CW using the repeat timer, this item sets the time between transmission.

•1 to 60 sec. in 1 sec. steps can be selected. (default: 2 sec.)

	Dot/Dash	Ratio		1:1:3.0
This item sets the dot/dash ratio.					• 1:1:2.8 to 1:1:4.5 (in 0.1 steps) can be selected.
					(default: 1:1:3.0)
Keying weight example: Morse code “K”
			DOT (fixed*)
	Weight setting:
			DASH	DASH
	1:1:3 (default)
	Weight setting:
	Adjusted
	Adjustable range			SPACE (fixed*)
			*SPACE and DOT length can be
			adjusted with [KEY SPEED] only.
	Rise Time				4ms

This item sets the rise time of the transmitted CW en- velope.

• 2, 4, 6 or 8 msec. can be selected. (default: 4 msec.)

• About rise time

Key action

Tx

Rx

Tx output power Set Tx power level

0 Time

Rise time

to be continued…

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