5 grep -q 'SES: UP FLIP' /proc/adm8668/buttons && FAILSAFE=true && export FAILSAFE
6 grep -q 'SES: DOWN' /proc/adm8668/buttons && FAILSAFE=true && export FAILSAFE
7 if [ "$FAILSAFE" != "true" ]; then
8 preinit_net_echo "Please press button now to enter failsafe"
9 fs_wait_for_key f 'to enter failsafe mode' $fs_failsafe_wait_timeout && FAILSAFE=true && export FAILSAFE