Originally Posted by
gurkey 
To check, what loader version Your unit has installed please follow this procedure:
- Disconnect / unplug Your unit.
- Whilst holding down the ENTER key re-insert mains plug.
- Your unit should switch to Main update mode, displaying the current loader version installed.
- Release ENTER key.
OR
- Disconnect / unplug Your unit.
- Whilst holding down the TUNING UP key re-insert mains plug.
- Your unit should switch to Main update mode, displaying the current loader version installed.
- Release TUNING UP key.
Only for xx5 and x.8 units: If Your loader version is 1.01 / 07615L or above You may continue with the update procedure. If not, please exit update mode by pressing STANDBY.
Note: If Your loader version shows 1.00 please exit without doing anything by pressing STANDBY.
If You don't You will be sorry if You continue with the update procedure, because Your unit will become non-functional while doing this.
So...Beware !
-
Main firmware update: The update routine uses a
RS232 connection to the rear of the unit.
The RS232 cable must be of type
straight through (no crossover) with a male and female connector at the end.
You need a PC with a
COM1 port (default) or a USB => RS232 converter for this, as described elsewhere.
The update procedure is been initiated through a supplied setup software, which handles everything.
Integra:
The update instructions differ somewhat for the Integras (excerpt)
II) Procedure for Upgrading Main FW on the unit:
Connect the RS232 port of your PC to the receiver (unplugged) RS232 port by using a RS232 straight cable. Keep unit unplugged.
Press
Tuning up button and in this condition you should plug the receiver in the AC outlet. You will see on the display Main Update mode.
After this follow these steps.
a) Open App_Updater_XXX folder and Double click on update.exe. You will see following GUI.
b) Check the COM port. It should be same as the RS232 port of your PC connected to your receiver (usually COM1).
c) Click on Main Update button