2
1.
GENERAL INFORMATION FOR AMP-HOUR BASED METERS
JP Tech’s Ampere-Hour meters incorporate several screen options in the Menu designed for ease of
operation, information gathering, and programming. All models incorporate displays showing
accumulated Ampere Hours or Ampere Minutes. A resettable Ampere Hour orAmpere Minute display
is included. In addition, there is a “Shunt” display menu item used to select shunt size in hours or
minutes and the millivolt input signal (50mV, 60mV, or 100mV).
All models use a two (2) button keypad to cycle through the Menu displays available and to set the
parameters of the meter:
♦
The SELECT key, when pressed and released, cycles through the different screens available to the
specific model. In all screens (except the AH TOTAL, SETUP and SPECIAL FUNCTION screens
where applicable), holding the SELECT key for about 3 seconds will enable the flashing cursor;
releasing and pressing again will position the cursor for a change to be made. The SELECT key will
not change any existing information. It only provides a way to move through the menu or move the
flashing cursor.
♦
The CHANGE key is used to change a value or option related to the specific display chosen with the
SELECT key (for example RESETTABLE = VALUE and SHUNT SIZE = OPTION). NOTE: Pressing
and releasing, at any time, BOTH the SELECT and the CHANGE keys together will take you back to
the AH TOTAL default screen.
♦
HOW TO ENTER OR CHANGE DATA:
VALUES: RESETTABLE SCREEN: From the AH TOTAL screen, PRESS and RELEASE the
SELECT key. This will bring you to the RESETTABLE screen. To enter any value or reset existing
values, PRESS and HOLD the SELECT key for about 3 seconds until the LEFT MOST DIGIT begins to
flash. When it flashes, release the SELECT key. If you want the digit that is flashing to stay the same,
PRESS and RELEASE the SELECT key ONCE. This will move the flashing cursor over to the right
one digit. [This is the method used to move the flashing cursor over for all screens.]
If you want to change the value of the flashing digit, PRESS and RELEASE the CHANGE key ONCE.
Each time the CHANGE key is pressed and released, the value of the digit increases by one (1) and
cycles from 0 through 9. [This is the method used to change the value of the flashing cursor for
all screens.]
Once you have set the values you want, PRESS and HOLD the SELECT key until the flashing cursor
disappears (about 3 seconds).
OPTIONS: SHUNT SIZE: To select the appropriate shunt size and millivolt signal, PRESS and
RELEASE the SELECT key until the SETUP screen appears than PRESS and HOLD the SELECT key at
the SETUP screen for about 3 seconds until the SHUNT SIZE screen appears.
To change the SHUNT SIZE option, PRESS and HOLD the SELECT key until the flashing cursor appears
just to the right of the “H”. PRESS and RELEASE the CHANGE key to scroll through the amperage size
options available until the correct one for your rectifier rating is shown. You can change the mV setting at
this point (with the cursor flashing) by PRESS and RELEASE the SELECT key once. Use the CHANGE
key to toggle through the options available. Once your settings are correct, PRESS and HOLD the
SELECT key for about 3 seconds until the flashing cursor stops. Your new option has been set. PRESS
and RELEASE the SELECT key at this point takes you to the next screen.
NOTE: You can get back to the main display when you are viewing any display by PRESS and
RELEASE both keys at the same time. To reset a screen to Zero, do the same thing when
there is a flashing cursor.
