From mujibur.inmind.com!uunet!in1.uu.net!pipeline!not-for-mail Mon Aug  7 17:43:57 1995
Path: mujibur.inmind.com!uunet!in1.uu.net!pipeline!not-for-mail
From: pstein@measurement.com (Philip Stein)
Newsgroups: sci.geo.satellite-nav
Subject: Re: Sony IPS-760 Features
Date: 7 Aug 1995 16:19:53 -0400
Organization: The Pipeline
Lines: 95
Message-ID: <405sh9$etj@pipe3.nyc.pipeline.com>
References: <403g4p$akt@wa4mei.radio.org>
NNTP-Posting-Host: pipe3.nyc.pipeline.com

In article <403g4p$akt@wa4mei.radio.org>, John Scott writes: 
 
> 
>Could someone repost the information on the undocumented features of the
Sony  
>IPS-760.  I just got one of the Radio Shack cables and now I want to find
out  
>about what the GPS receiver can do. 
> 
>Has anyone got the receiver to talk to a PC yet?  I assume that you will
need  
>to do a 5V to +-12 voltage conversion on the data lines, but I have not
had  
>time to check that yet. 
> 
>Any and all information would be apprecieated. 
> 
 
Please watch this space for further news.  I have succeeded in having my PC
serial port read the data apparently without need for any voltage
conversion (the problem is not 5 to 12 volts - RS232 will work on anything
above 3V - the problem is the 0 volts - RS232 officially requires this to
be below negative 3. 
 
Here's the file for undocumented features.  In return, if you figure out
anything about the syntax of what the serial port is saying, please post
it/mail is ASAP.  Thanks 
 
More Info on the IPS-760.  Hidden OR Non-documented 
features do exist, don't they!!! 
First:There is a Supplement-1 for the Sony Service 
Manual.  In it it describes the SERVICE mode. 
(1) Turn on the POWER switch, and make sure that the 
POS mode screen is displayed.  ("POS" is displayed 
int he upper left of screen.) 
(2) Press the "MENU" + F4 keys. (Keep pressing both 
keys simultaneously.)  Then, the SERVICE mode will 
become active. 
(3) The screen to confirm ther ROM version, RAM 
read/write operation and ROM checksum is displayed. 
(4) Press ENTER key and the receiver monitor screen 
is displayed.(If F1 key is pressed here, the screen 
is returned to normal mode.) 
 
There is much more!!!!!!!!!!!!!!! 
Instead of the service mode. 
 
From normal mode press MENU.  Then press MENU + DISPLAY 
and the GRID LOCATOR screen is displayed showing 
YOUR present GRID SQUARE position.  Not documented!!! 
 
From normal mode press MENU.  Then press MENU + F2 
and the EXTERNAL OUTPUT menu is displayed. 
NONE 
Position Output 
Video Output 
 
Again NOT documented!!!!! 
 
Select the desired with the up/down arrow keys. Press 
ENTER. 
 
From normal mode press MENU.  Then press MENU + F1 
and the ENTERNAL I/O screen is displayed. Again not documented!!! 
EXTERNAL I/O 
9600 bps 
Memory Input 
Memory Output 
Card 1 Input 
Card 1 Output 
Card 2 Input 
Card 2 Output 
Display Output 
 
Note the sub-menu for baud rate: 
1200 
2400 
4800 
9600 
19200 
38400 
 
Select the desired and press ENTER. 
 
Do any of these menu selections work???? 
I have not yet hoohed up to the data port.  I am 
looking for the proper 10 pin connector. 
 
Is there any interest in this stuff???????????? 
 
 
 
Philip Stein 
Consultants in the Physical Sciences, Measurements, and Quality 
Chair-elect, ASQC Measurement Quality Division