Mini SWR Power Meter External Meter Pointer Wattmeter Receive Display Meter Compatible with YAESU FT-857 FT-897 48cm long cable for easy connection. Compatible with YAESU FT-857 and FT-897. SWR meter external pointer receive display meter, it displays SIG, PWR, , MOD, VOLT and DISC. (1) long press [FUNC] to enter Settings menu and enable extension menu; (2) rotate [] to bring Settings menu item no-060 [MTR ARX SEL]; (3) rotate [DIAL] to what is displayed on external meter (SIG- input signal strength display, CTR- discriminator center meter, VLT- battery voltage, N/A- blank, , OFF- turn off meter); (4) long press [FUNC] to save settings and exit. (1) long press [FUNC] to enter Settings menu and enable extension menu; (2) rotate [] to bring Settings menu item No-061 [MTR ATX SEL]; (3) rotate [DIAL] to what is displayed on external meter (PWR- transmit display, ALC- automatic level control voltage display, MOD- modulation level display, SWR- voltage standing ratio display, VLT- supply voltage display, N/A- blank, OFF- turn off meter). Iron shell is sturdy and . 4 -slip pads ensure stability. (1) long press [FUNC] to enter Settings menu and enable extension menu; (2) rotate [] to bring Settings menu item No-060 [MTR ARX SEL]; (3) rotate [DIAL] to ; (4) use a small flat-head screwdriver to adjust calibration adjustment hole at back so that dial pointer points to full scale; (5) finished. Note:1. If you can't find No.60, No.61 Settings menu item, that's because radio hides them. Please long press F key to enter Settings menu, set NO.1 menu to ON and press F to exit and save.2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Item Weight: 265g / 9.33oz Package Weight: 307g / 10.81oz Item Size: 67 * 65 * 72mm / 2.64 * 2.55 * 2.83in Color: Black/ White (Optional) Package Size: 12 * 9 * 7cm / 4.72 * 3.54 * 2.76in Cable Length: 48cm / 18.90in Material: Iron + Easy-to-use external receive display SWR meter. Sturdy and metal shell, non-slip pad, , stable performance. Package List: 1 * SWR Meter External Receive Display Meter Calibration: (1) long press [FUNC] to enter the Settings menu and enable the extension menu; (2) rotate [SELECT] to bring up the Settings menu item No-060 [MTR ARX SEL]; (3) rotate [DIAL] to select FS; (4) use a small flat-head screwdriver to adjust the calibration adjustment hole at the back so that the dial pointer points to the full scale; (5) finished. Iron shell is sturdy and High quality. 4 anti-slip pads ensure stability. SWR power meter external pointer receive display meter, it displays SIG, PWR, WER, MOD, VOLT and DISC. Receiving display settings: (1) long press [FUNC] to enter the Settings menu and enable the extension menu; (2) rotate [SELECT] to bring up the Settings menu item no-060 [MTR ARX SEL]; (3) rotate [DIAL] to select what is displayed on the external meter (SIG- input signal strength display, CTR- discriminator center meter, VLT- battery voltage, N/A- blank, FS, OFF- turn off the meter); (4) long press [FUNC] to save the settings and exit. 48cm long cable for easy connection. Compatible with YAESU FT-857 and FT-897.