Overview of Keys and Their Functions Cha
ter Three: Overview
42
Description of the Front Panel Keys (Continued)
Key Description
[
ON
/
LEAD
]
1. Turns a channel/alarm/degas on. (Normal and Leakage Modes).
2. Makes the lead parameter the active parameter. (Tuning Mode
only).
[
OFF
/
GAIN
]
1. Turns a channel/alarm/degas off. (Normal and Leakage Modes).
2. Makes the gain parameter the active parameter. (Tuning Mode
only).
[
QUIET
/
CANCEL
]
In all modes
except
Control Mode, this key performs the following
functions (if they apply), in the order presented here:
1. Quiets any alarms.
2. Returns to initial value of parameter. (Tuning and Setup Modes).
3. Returns to initial status of the mode. (Tuning and Setup Modes).
4. Returns to Normal Mode.
In Control Mode:
1. Quiets any alarms.
2. Toggles out of Control Mode into the previous mode.
3. Returns to Normal Mode.
[
DISPLAY MODE
]
1. Scrolls through Normal, Leakage, Tuning (when available), and
Setup Modes.
2. Exits from Control Mode, and changes the display to the next
mode in the above sequence of modes.
[
CONTROL MODE
]
Toggles in and out of Control Mode.
[
ENTER
]
Causes the 146 unit to accept the active parameter which is currently
displayed (provided the parameter is valid), and move to the next
parameter in sequence, if there is one.
[
DISPLAY MODE
]
Scrolls through Normal, Leakage, Tuning (if the optional Control
board is installed), and Setup Modes.
[
CONTROL MODE
]
Toggles in and out of Control Mode (if the optional Control board is
installed).
Table 6: Description of the Front Panel Keys
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