Operations And Functions; 4-1.Key Operations; Lock Function; Key Operations In Measuring Mode - KYOWA WGA-680A Series Instruction Manual

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
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
Press the ZERO key for 2
seconds.
Press the HI HH key for
2 seconds.
Press the LO LL key for
2 seconds.
Press the FUNCTION
key for 2 seconds.
Press the HOLD key.
Press the HOLD key +
the FUNCTION key
for 2 seconds at the same
time.
MEMO
Even if the [LOCK] LED is ON, the [INPUT] terminal is usable.
: [LOCK] status is canceled. [LOCK] LED turns ON.
Operations when the [LOCK] LED is OFF.
Executes the DIGITAL ZERO function, "0"
is displayed as the indicated value, and goes
to the MEASURING mode.
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.
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.
Goes to the FUNCTION SELECTING
mode.
Operates in the pre-set HOLD mode.
The [LOCK] LED lights up and the mode
goes to the MEASURING mode.
Executes no function.
Pre-set values is displayed.
Pre-set values is displayed.
Executes no function.
Executes no function.
The [LOCK] LED lights off. You
are able to select modes.
18
IM-A-1048H
Operations when the [LOCK]
LED is ON.