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Chapter 4 Operation
Page 4-9
4.2.4 Hidden Menu
The Recorder has a Hidden menu that allows the user to Initialize data, calibrate the Analog-to-Digital Converter
(ADC Control), adjust the Ambient Temperature sensor reading (T/C comps cal.), perform various Diagnostics,
Clear buffers, set the menu inactivity timeout (Menu inact. T/O), perform File maintenance, and set the Flush
interval.
To access the Hidden menu:
Press the
MENU
button and then immediately press the
upper right-hand corner
of the display. The Hidden menu will be displayed as shown in Figure 4-5.
4.2.4.1 Initialize
CAUTION: Use of these menu items will adversely affect the system
configuration. Refer to Section 4.1.3 for an explanation of the Initialize
menu options.
To Initialize the unit:
From the Hidden menu use the
UP (
↑↑↑↑↑
)
or
DOWN (
↓↓↓↓↓
)
button to highlight
Initialize
and then press the
ENTER
button. There are three choices:
Init Profile
Perform a Smart or Full Initialization. Refer to Section
4.1.3 for detail.
Clear Points
Restore all points to the unprogrammed state. This will clear any invalid setup data.
Note that any cleared point can be restored in the Point setup menu.
Erase Config
Set all data to zero, clear all memory.
USE WITH CAUTION!
Will cause the unit to
RESET.
Use the
UP (
↑↑↑↑↑
)
or
DOWN (
↓↓↓↓↓
)
button to highlight the desired option and then press the
ENTER
button.
Proceed with caution - Press the
YES
and/or
ENTER
button to perform the desired function. Press the
NO
or
EXIT
button to return to the three Initialize options. Press the
EXIT
button to return to the Hidden menu.
4.2.4.2 ADC Control
This menu option allows the user to calibrate the Analog-to-Digital Converter through the use of submenu
options. If the ADC is not calibrated properly, the value of the inputs may not be correct.
Refer to Chapter 6 of this Manual for complete Calibration details.
CAUTION: DO NOT ATTEMPT TO CALIBRATE THE RECORDER UNLESS YOU HAVE THE CORRECT
EQUIPMENT AVAILABLE.
4.2.4.3 T/C comps cal.
This menu option allows the user to adjust the Ambient Temperature sensor reading for varying conditions.
The value is set in 10ths of a degree (i.e. -15 is equivalent to -1.5 °C).
To change the temperature value:
From the Hidden menu use the
UP (
↑↑↑↑↑
)
or
DOWN (
↓↓↓↓↓
)
button to highlight
T/C comps cal.
and then press the
ENTER
button. You will be prompted with “10ths deg C
→
-15
←
“. Change the value using the numeric
keypad and then press the
ENTER
button to return to the Hidden menu.
ADC control
T/C comps cal.
Diagnostics
Clear buffers
Menu inact. T/O
File maintenance
Flush interval
Initialize
Figure 4-5
Hidden Menu
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