Icom IC-7850 Instruction Manual - Page 90
Keyer set mode, Keyer, MIC Up/Down Keyer
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Previous view 5 RECEIVE AND TRANSMIT DDKeyer set mode This Set mode is used to set the memory keyer repeat time, dash weight, paddle specifications, keyer type, and so on. • Setting contents The Multi-function screens are OFF: qqPush [KEYER](F). • The Memory keyer screen is displayed. wwDisplay the Memory keyer menu screen, then push [CW KEY](F). [EXIT/SET] CW KEY [F-4] • The Keyer CW-KEY screen is displayed. eePush [p](F) or [q](F) to select the item. rrRotate [MAIN DIAL] to set the desired setting. • Hold down [DEF](F) for 1 second to select the default setting. ttPush [EXIT/SET]. • Exits the Keyer CW-KEY screen. (F) Function keys [EXIT/SET] • KEYER CW-KEY screen Keyer Repeat Time (Default: 2s) When sending CW using the repeat timer, set the time between transmission. • Selectable time: 1 ~ 60 seconds in 1 second steps. Dot/Dash Ratio (Default: 1:1:3.0) Sets the dot/dash ratio. • Selectable ratio: 1:1:2.8 ~ 1:1:4.5 in 0.1 steps. Keying weight example: Morse code "K" Weight setting: DOT (fixed*) DASH DASH 1:1:3 (default) Weight setting: Adjusted Adjustable range SPACE (fixed*) *SPACE and DOT length can be adjusted only with [KEY SPEED]. Rise Time (Default: 4ms) Sets the rise time of the transmitted CW envelope. • Selectable time: 2, 4, 6 or 8 milliseconds. • About rise time Key action Tx Rx Tx output power Set Tx power level 0 Rise time Time Paddle Polarity (Default: NORMAL) Sets the paddle polarity. • Normal: Right - Dash, Left - Dot. • Reverse: Right - Dot , Left - Dash. Keyer Type (Default: ELEC-KEY) Selects the keyer type for the [ELEC-KEY] connector on the front panel. • Selectable key: Straight, BUG-KEY, or ELEC-KEY. MIC Up/Down Keyer (Default: OFF) Sets the microphone [UP]/[DN] switches to be used as a key. (The microphone [UP]/[DN] switches do not work as a "squeeze key.") • ON: The [UP]/[DN] switches can be used as a key for CW. • OFF: The [UP]/[DN] switches cannot be used as a key for CW. NOTE: When "ON" is selected, the frequency and the Memory channels cannot be changed using the [UP]/[DN] switches. 5-13