TM 11-5820-890-10- Main Technical Manuals TM 11-5820-890-10-1 (198 pg) Gnd ICOM Manual, AN/PRC-119A, AN/VRC-87A,C Thru AN/VRC-92A (RT-1523 radios) TM 11-5820-890-10-2 (29 pg) Gnd ICOM RT-1523A/B/C Pocket Guide, AN/PRC-119A, AN/VRC-87 Thru AN/VRC-92 A (RT-...
The HUB maintains the CMOS memory and clock in the radio when the main battery pack is removed or vehicle power is lost. It also keeps the memory and clock alive when the radio is switched to OFF. But when the FCTN switch is set to Stow (STW) the HUB is turned off and all memory ...