Miniaturní paměťový automatický klíč použitelný k jakémukoliv zařízení.
Rozsah rychlosti 8 až 50 WPM
nastavitelný poměr tečka/čárka/mezera
4 paměti, celkem lze nahrát až 120 znaků
vestavěný odposlech (piezo-electric speaker), lze vypnout
Napájení 2,5 až 6V DC, typicky 2 x AAA baterie

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Extremely small memory keyer for all radios.
Key speed from 8 to 50 WPM, adjustable character weighting, adjustable repeat delay.
Four memory slots with space for a total of 120 characters, each available by individual buttons. Programming is done via paddle.
Connector with 3.5 mm jack with ca. 1m cable to the radio, built-in sidetone (can be turned off). Power-saving mode with batteries (2x AAA micro),
ideal for contest, portable use and at home. Please note: The PK-4 uses the 'Iambic-B' mode only, 'Iambic-A' mode is not supported.

Keying Type Iambic B mode, Straight key mode
Keying speed Approx. 8 to 50 WPM
Weight 4 selectable weight levels; 3 3.5 4 4.5
CW messages Message 1; 40 characters,
(nonvolatile) Message 2; 20 characters,
Message 3; 20 characters,
Message 4; 40 characters, Auto Repeat function,
(Note: Above character numbers include space.)
Side tone Built in piezo-electric speaker
Power requirement 2.5 – 6V DC, typical 2 x AAA batteries