IM-A-1048H
18
Even if the [LOCK] LED is ON, the [INPUT] terminal is usable.
4. OPERATIONS AND FUNCTIONS
4-1.KEY OPERATIONS
4-1-1. Lock function
The LOCK function is used to prohibit the change in pre-set values in order to prevent erroneous operation.
In the [LOCK] status, you are not able to change the function and limit values ([HI] limit value, [LO] limit
value, etc.).
However, you are able to monitor the pre-set comparator limit values.
Before changing functions and limit values, cancel the [LOCK] status.
Power ON the WGA-680A and the mode is the MEASURING mode in the [LOCK] status.
After changing the settings, make the WGA-680A to the [LOCK] status to prevent erroneous operation.
How to set or cancel the [LOCK] status.
Press the FUNCTION key + the HOLD key for 2 seconds at the same time.
In [LOCK] status
: [LOCK] status is canceled. [LOCK] LED turns ON.
In NOT [LOCK] status : The status becomes [LOCK] status. [LOCK] LED turns OFF.
4-1-2. Key operations in MEASURING mode
During the MEASURING mode, the WGA-680A measures physical quantities (load, pressure, torque,
displacement, etc.) by using strain gage transducers and displays their values.
To go to the SETTING mode, FUNCTION SELECTING mode, and LOCK mode, press keys in the
MEASURING mode.
However, the [LOCK] status limits the key operations. For details, see the following table.
Key operation
Operations when the [LOCK] LED is OFF.
Operations when the [LOCK]
LED is ON.
Press the ZERO key for 2
seconds.
Executes the DIGITAL ZERO function, "0"
is displayed as the indicated value, and goes
to the MEASURING mode.
Executes no function.
Press the HI HH key for
2 seconds.
Goes to the [HI] limit value SETTING
mode.
After pressing the SET key to set the [HI]
limit value, the SETTING mode goes to the
[HH] limit value SETTING mode.
Pre-set values is displayed.
Press the LO LL key for
2 seconds.
Goes to the [LO] limit value SETTING
mode.
After pressing the SET key to set the [LO]
limit value, the SETTING mode goes to the
[LL] limit value SETTING mode.
Pre-set values is displayed.
Press the FUNCTION
key for 2 seconds.
Goes to the FUNCTION SELECTING
mode.
Executes no function.
Press the HOLD key.
Operates in the pre-set HOLD mode.
Executes no function.
Press the HOLD key +
the FUNCTION key
for 2 seconds at the same
time.
The [LOCK] LED lights up and the mode
goes to the MEASURING mode.
The [LOCK] LED lights off. You
are able to select modes.
MEMO
