Launch Terminal Corrected

on = boot do
term.clear()
term.setCursorPos(14.5,9)
textutils.slowPrint ("Launch Terminal V.2.2")
term.setCursorPos(14.5,10)
textutils.slowPrint ("SPIRE® & JmanSites™\©")
sleep(2)
end
-- BREAK LINE -- CONTENT ABOVE NOT INCLUDED IN 'REFRESH' --
--[Functions]--
local function check()
 if s == 0 then
   term.setCursorPos(15,10)
   textutils.slowPrint ("        Ride Stopping    ")
   os.pullEvent("redstone")
   rs.setOutput("back", false)
   sleep(.2)
   rs.setOutput("back", false)
   term.clear()
   term.setCursorPos(14.5,10)
   textutils.slowPrint ("Ride Stopped!")
   sleep(2)
   term.clear()
   term.setCursorPos(1,1)
   textutils.slowPrint ("Resetting Launch Terminal")
   sleep(0.5)
   return true
 end
 return false
end
--[Setup]--
while true do
 term.clear()
 term.setCursorPos(1,1)
 a1="1"; a2="2"; a3="3"; b1="Start"; b2="Info"; b3="Update"
 print "1] Start Ride  2] Info  3] Update"
 write "Input: "
 ip = read()
 --[CODE]--
 --(start)--
 if ip == a1 or ip == b1 then
 term.clear()
 term.setCursorPos(13,9)
 textutils.slowPrint ("Ride Duration - 1 minute")
 term.setCursorPos(15,10)
 print ("Remaining: 1:00")
 redstone.setOutput("back", true)
 s=9       -- Miliseconds Coming Soon
 while true do
   term.clear()
   term.setCursorPos(13,9)
   print ("Ride Duration - 1 minute")
   term.setCursorPos(15,10)
   if s >= 10 then   -- Time Read Start
    print ("Remaining: 0:"..s)
   elseif s < 10 then
    print ("Remaining: 0:0"..s)
   end    -- Time Read End
   sleep(0.95)
   s = s-1
   if check() then
    break
   end
 end
 --(info\update)--
 elseif ip == a2 or ip == b2 then
 term.clear()
 print("Info Not Yet Available")
 sleep(1)
 elseif ip == a3 or ip == b3 then
 term.clear()
 term.setCursorPos(1,1)
 print("[SERVER] Updating Software")
 sleep(3)
 print("[SERVER] Auto-Updater may be Corrupt or Disabled")
 sleep(1)
 print("[SERVER] Requesting Service Engine")
 sleep(.75)
 print("[ASE] Would You Like to...")
 sleep(.5)
 print("[ASE] ERROR!")
 print("[ASE] Automated Service Engine Incomplete. Executing Process")
 sleep(1)
 shell.run("MOC")
 --(hidden shutdown)--
 elseif ip == "Shut Down" then
 term.clear()
 term.setCursorPos(0,1)
 print ("[SYSTEM]")
 sleep(0.6); term.setCursorPos(9,1)
 textutils.slowPrint("DISABLING PRESSURE BLOCK")
 os.shutdown()
 else
 print "Unknown Command"
 sleep(1)
end
end