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Just need a manual for the TDS-48GX with survey card

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Posted on Jan 02, 2017

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SOURCE: My HP 48GX with COGO Card is running slow.

Hello,
You should perform the dagnostic tests.

The following procedure valid for the 48G should work for the HP48GX.
Make the calculator perform a
Self test.

  1. Turn calculator on
  2. Press and HOLD the key [ON]
  3. Press and release the key with "E" to its right (the one before last in first row)
  4. Relaese the [ON] key.
It tests the RAM and ROM. You will see various patterns on screen. Afterwards you should see
IROM OK,
IRAM OK,
HP48GX OK
The self test will continue repeatedly until you perform a
System Halt
  1. Press and HOLD the [ON] key
  2. Press and release the "C" key
  3. Release the [ON] key.
The empty stack should appear.

If you do not see IROM OK and IRAM OK, the calculator requires service.

If the above procedure is successful, you may want
to test the keyboard.
  1. Turn calculator on
  2. Press and HOLD the [ON] key
  3. Press and release the "D" key.
  4. Release the [ON] key
  5. Press and release the "E" key. KBD 1 should appear on the top left corner of the screen.
  6. Starting at the upper left corner of the keyboard, and moving Left to right, press every key in sequence. If you follow the sequence and the keys are functioning properly you should hear a hight pitch sound at each press.
  7. If everything is OK, when you press the last key (+) the screen displays KBD 1 OK.
To exit the keyboard test proceed as described above under System Halt.

If you follow the proper sequence and a hexadecimal number appears after pressing a key, the calculator requires service.
Hope it helps.

Posted on Nov 07, 2009

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postexodus
  • 80 Answers

SOURCE: Need a Manual for my

http://www.tdsway.com/binaries/tdscogoforhp48gx/documents/manuals/COGOManual&Reference.pdf

Posted on Mar 10, 2011

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1 Answer

Turning off the beep on a 48GX hewlett packard


Two ways to do this.

Press right-shift MODE, highlight BEEP, press +/-, then ENTER to save and exit. (page 4-6 of the manual)

Turn off flag 57. (page D-6 of the manual)

If you need a manual, you may download a copy from HP 48gx Graphing Calculator Manuals

Dec 06, 2016 | HP 48gx Calculator

1 Answer

I need a solution for konica 7145 error code 26-3


F26-3: TDS (Toner density sensor output abnormality) Abnormal output from TDS (Toner density sensor) TDS output ripple voltage failed to reach 0.5V
Possible that developer needs to be replaced or Toner is not supplying into the developer Unit.
Service Manual available to your model at: http://fixmfp.com/index.php?route=product/product&path=60&product_id=52

Sep 06, 2013 | Office Equipment & Supplies

1 Answer

Need a Manual for my TDS GX card used with HP48GX


http://www.tdsway.com/binaries/tdscogoforhp48gx/documents/manuals/COGOManual&Reference.pdf

Mar 09, 2011 | HP 48gx Calculator

1 Answer

48GX has been idle for 4 years.Wont turn on. Is there an internal battery that I can replace?


The 48GX runs on three AAA type alkaline batteries. However, if the device was unused that long, the button cells used for backing up the RAM cards may also be depleted, and the calculator will report "low battery" displaying the ((.)) symbol, even with fresh AAA cells installed.

The RAM card mounted batteries are type CR2016.

Main batteries:
  • Remove the calculator battery compartment door by pressing down and sliding it off away from the calculator.
  • Turn the calculator and shake the batteries out.
  • Replace with a fresh set of AAA alkaline batteries. Polarity is marked on the bottom of the battery compartment.
  • Replace the battery compartment door by sliding it back in place.
RAM card batteries:
  • Turn the calculator over and remove the plastic cover over the plug-in card ports (display-end of the calculator).
  • HP recommends to turn on the calculator while replacing the RAM card battery to avoid memory loss. I assume, your HP48GX has no marbles to recover by now anyway, so it does not matter, I guess.
  • Near the left side of the end of the card. you'll find the nail grip in the black plastic battery holder. Use a thumbnail to gently pull out the battery holder. There is one battery in each card (additional cards are options).
  • Remove the old battery from the holder and replace by a new CR2016 button cell. The "+" side of the battery should point into direction of the calculator's front.
  • Re-insert the holder with the new battery and check the RAM card is properly seated still.
  • Close the compartment by sliding back in the cover.

Jan 11, 2011 | HP 48gx Calculator

1 Answer

How do you know if you need to replace the RO membrane filter in the culligan good water machine


A TDS (total dissolved solids)meter is needed to test the Reverse Osmosis water and compare it to the feed water to determine how much TDS is being removed. Reverse osmosis membranes are designed to remove 80-95% of the TDS in your water supply.

For example: If your water has 500ppm of TDS the minimum TDS removal should be 400ppm leaving 100ppm. If the TDS from the Reverse Osmosis System drops to these levels it is time to change the Membrane.
Typically an RO system will consistently remove 90+% of TDS for many years. The normal lifespan for a membrane can be anywhere from 3-10 years. It all depends on the TDS of your water and your water usage. The higher the TDS the more frequently the membrane needs replacing. The other filters should be replaced every 6 months to keep the quality up and protect the membrane.
A TDS of 1000ppm compared to 100ppm is much more difficult remove to acceptable levels. I like to compare 1000TDS to taking muddy water, forcing it through a filter and getting drinking water. Where 100TDS may be more like a clear glass of water. Consequently a reverse osmosis system on high TDS will be less efficient, less gallons produced and filters will need to be changed more frequently to keep the quality and quantity up.
RJ

Oct 04, 2010 | Culligan Under Sink Water Filter

1 Answer

I would like to buy another programme module topographic Topo 1 and Topo 2 for my calculature HP 48 SX giorgiombr@yahoo.it ...


Here is the link to a web site where you can find resources for the HP48GX ( apparently your calculator is an HP 48SX).

On this other site you can view surveying software for the HP 48GX that is still available for sale.

Aug 14, 2010 | HP 48gx Calculator

1 Answer

I need the manuals for hp 48GX calcualator


You can download the manuals in PDF from the manufacturer's web site at http://h10025.www1.hp.com/ewfrf/wc/manualCategory?product=58443&lc=en&cc=us&dlc=en&lang=en&cc=us

Apr 27, 2010 | HP 48gx Calculator

1 Answer

My HP 48GX with COGO Card is running slow.


Hello,
You should perform the dagnostic tests.

The following procedure valid for the 48G should work for the HP48GX.
Make the calculator perform a
Self test.
  1. Turn calculator on
  2. Press and HOLD the key [ON]
  3. Press and release the key with "E" to its right (the one before last in first row)
  4. Relaese the [ON] key.
It tests the RAM and ROM. You will see various patterns on screen. Afterwards you should see
IROM OK,
IRAM OK,
HP48GX OK
The self test will continue repeatedly until you perform a
System Halt
  1. Press and HOLD the [ON] key
  2. Press and release the "C" key
  3. Release the [ON] key.
The empty stack should appear.

If you do not see IROM OK and IRAM OK, the calculator requires service.

If the above procedure is successful, you may want
to test the keyboard.
  1. Turn calculator on
  2. Press and HOLD the [ON] key
  3. Press and release the "D" key.
  4. Release the [ON] key
  5. Press and release the "E" key. KBD 1 should appear on the top left corner of the screen.
  6. Starting at the upper left corner of the keyboard, and moving Left to right, press every key in sequence. If you follow the sequence and the keys are functioning properly you should hear a hight pitch sound at each press.
  7. If everything is OK, when you press the last key (+) the screen displays KBD 1 OK.
To exit the keyboard test proceed as described above under System Halt.

If you follow the proper sequence and a hexadecimal number appears after pressing a key, the calculator requires service.
Hope it helps.

Nov 12, 2008 | HP 48gx Calculator

1 Answer

HP 48gx


If you are using the TDS software it may be in the backsight menu - try changing your angle to angle right- if not already set up that way - should work

Feb 22, 2008 | HP 48gx Calculator

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