Handset HS-2003 - represents an additional communication device for transmitting speech voice. Works in conjunction with the radio station FM-9800 the company Furuno. tube connection is made directly to the device...
The battery monitor circuit (05P0607) monitors battery voltage.
If battery voltage drops to 22 V, [LOW] indicator comes on and the buzzer sounds.
With “BATT CHARGER switch” set to “AUTO”, the charger starts charging...