Version “V” Firmware Upgrade for the GTOCP3 -
Required for Astro-Physics Command Center (APCC)
The EEPROM of the GTOCP3 must be updated to version “V” firmware in order to download and use our Astro-Physics
Command Center (APCC) software. It contains many new commands needed for the advanced features of APCC, including custom absolute tracking rates implemented in arc seconds per hour and new meridian delay commands and functions to name a few.
Determine your Current ROM Chip Version
There are several ways to check the version letter and date of the microprocessor ROM
chip to see if you already have an “V” version
- Open the top of the GTOCP3 control box and look for a label on one of
the large, square chips.
- V2 ASCOM Driver. The chip version can be found in several
places in the Astro-Physics
V2 ASCOM Driver. In the Setup Telescope window, click the “Check Port” button.
Assuming you have a good connection, a popup window will appear saying: “Mount
found! Firmware Rev: V (or whatever firmware is in the GTOCP3). The virtual
keypad also displays the firmware version in the upper right: “FW:V”,
and the status window displays the version in the center column of information.
- PulseGuide software by Ray Gralak. Simply connect to the mount with PulseGuide, and the chip version
will be displayed in the connect window.
Command Center (APCC) software. The chip version can be queried
in the Trial Registration window. If APCC is installed, connect to the
mount. The chip version will display in the Setup tab. You can only use
this method once you have downloaded APCC, which you can only do if you
have a V chip for at least one of your Astro-Physics mounts..
How does the "V" Chip Differ From the Chip I Currently Have?
Refer to Revisions
to ROM chip of the GTOCP3 Control Box (PDF).
Please refer to the information below to determine
the pricing for your chip upgrade.
All mounts with R, S, S1, T, and U chips
The final version of the “V” chip will be provided to
you free of charge along with an extraction tool and instructions for installation.
Please contact us if you have not received your free upgrade yet. Please be
prepared to provide the serial number of your GTOCP3 control box.
All orders shipped since July 22, 2014
The "V" version chip was/is already included with these
All mounts with GTOCP3 control boxes that are
not included in the categories above.
The price for the chip upgrade kit (part # CHIPKITV)
is $80 plus shipping. The kit includes the “V” version chip, extraction tool
and installation instructions. Please refer to the order information below.
You may choose to install the chip yourself using these
instructions or send
the control box to Astro-Physics. There is an additional installation charge
of $45 plus return shipping.
Important Considerations if you are upgrading from "Q" or earlier version.
If your previous ROM chip was version “Q” or earlier, you MUST perform a full initialization on your first power-up, and you will also need to redo the mount’s PEM (Periodic Error Memory). To accommodate the added features of these newer chips, the location in the GTOCP3’s non-volatile memory where time, location, gear angle and PE information is permanently stored has been changed. Your previously stored data will no longer be usable. The new information you enter now, however, will be remembered going forward.
Initialization: If you use the keypad
in your first session, follow the instructions in the Keypad Manual as if you
are setting up for your first session. You will not have to setup your location data or time since that information is stored in the keypad.
If you control your mount with a PC in your first session (i.e. with the ASCOM
Driver, APCC, PulseGuide or any other computer control), be sure that the options
are selected to send all of the time, date, GMT offset and location data to the
mount. For your first time using the new ROM chip your computer software MUST
give the servo a full initialization. You will also need to reestablish pointing
and orientation by resuming from one of the AP pre-defined park positions or
by performing a Sync on a star. Note: a Re-Calibrate is not sufficient.
PEM (Periodic Error Memory): You will need to redo your PEM. Since the gear angle information is lost, the PE data that you have stored will no longer be in sync with the worm gear, so simply saving it to your computer via PEMPro and reloading it will not work. Once new PEM data is stored with the correct gear angle association, it will be remembered going forward.
10-23-14 Update: We are accepting new
orders for "V" chips at the present time. However, they will not be available
to ship until after November 5th. Please fill out this order
form and either mail or fax to Astro-Physics.
Please do not e-mail unless it is encrypted since your credit card
information will be included.
We are presently concentrating our efforts
to send "V" chips
as free upgrades to customers who have R, S, S1, T or U chips currently installed.
If you have one of the original chips
listed and have not been contacted yet, please contact Astro-Physics.
If you purchased a mount from a dealer or another individual and have not yet registered,
fill out the Mount
Registration Form and either e-mail, fax or send it in. We will enter the change of ownership information
into our database. This information is required in order to obtain a chip upgrade.
Back to Technical Support Index
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Inc. - All Rights Reserved
This page was last modified:
October 23, 2014
11250 Forest Hills Road, Machesney Park, IL 61115, U.S.A.
Phone: 815-282-1513 Fax: 815-282-9847