Martel Electronics PTC8010 - Manual (Page 9)

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The next level of the menu bar is the main menu. The levels under the main menu depend on
what mode the calibrator is in.
The main menu has two active options [CONFIG] and [MORE].
Choosing [CONFIG] calls up the parameter selection menu. [MORE] enters the next menu
level.
The Auto Function Menu is the next menu if you are in source mode. Its options are [AUTO
FUNC], [NEXT] and [DONE]. [AUTO FUNC] allows you to adjust the Automatic Output
Function parameters. [NEXT] proceeds to the next menu level and [DONE] returns to the
home menu. See Section 4.2,Using the Automatic Output Functions.
The contrast menu is usually the next menu level. Its options are [CONTRAST], [NEXT], and
[DONE]. The [CONTRAST] option is used to adjust contrast. [NEXT] proceeds to the auto off
main menu, and [DONE] returns to home menu. Contrast is adjusted using the arrow options,
which are available after choosing [CONTRAST].
NOTE: The PTC8010 calibrator offers a wide range contrast adjustment feature to
accommodate operation in extreme temperatures.
In certain cases making large changes in contrast may render the display difficult to read
under normal conditions. If this occurs and the display is too dim or dark to read, proceed
with the following process to set the contrast back to a default setting.
1. Turn on the unit while holding down the “HOME” key.
2. Hold the key down for a count of 10 seconds to restore contrast default settings.
If the display is so dim that you cannot tell if the unit is on or off, use the backlight key to
determine if the power is on or off.
The auto off main menu contains the options [AUTO OFF], [NEXT], and [DONE].
The [AUTO OFF] option is used to turn the automatic shutoff on and off and set the amount of
time the unit needs to stay dormant to shut off. [NEXT] and [DONE] both return to home menu.
When the calibrator is in RTD CUSTOM mode, the RTD custom setup menu, is inserted after
the main menu. Options [SET CUSTOM], [NEXT], and [DONE] are available. [SET CUSTOM]
is used to enter a custom PRT into the calibrator. Refer to Section 4.1-8a for instructions.
[NEXT] is used to enter the contrast main menu, and [DONE] to return to the home menu.
CONFIG MORE