SWR: SWR display. ER-32 Hex+Square Collet Chuck Block Holder for CNC Lathe Engraving Machine MU UK. SIG: the input signal strength display. MOD: Modulation Level Display. PWR: transmit power display. Outboard Power Trim Tilt Relay 38410‑94551 Replace For DF40‑DF140 4 Stroke HD UK.
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