YOKOGAWA AQ7260 OTDR, User Manual, Page: 56 / 442

Chapter 1 BEFORE USING THE INSTRUMENT
1-29
No. Name Description
1
LCD 8.4-inch color TFT (640 x 480 dots). Measured trace, measurement
conditions and measured values are displayed.
2
MODE key Used to switch the operation mode.
3
Rotary knob Used to move the distance cursor or increase/decrease entered values.
Holding down the key will allow you to move the distance cursor at
different speeds.
4
SCALE key Used to enlarge/reduce the trace size or shift the trace.
5
ENTER key Used to confirm entered values etc.
6
Arrow key Used to move the trace, enlarge/reduce the trace size, or change
entered values.
7
REAL TIME key Starts/stops real-time measurement.
8
AVERAGE key Starts/stops average measurement.
9
PRINT key Prints out the information displayed on the screen.
10
FILE key Used for file operation (saving, deleting, recalling).
11
ESC key Used to cancel the operation or restore the previous screen contents.
12
Function keys Performs the function inscribed on each key.
13
Shoulder belt fixture Used to attach a shoulder belt to the instrument.
14
CHARGE LED Lit while the battery pack is charged.
When the battery pack is full charged, the LED is off.
It blinks if the battery pack has not been charged or if it is in critical
condition.
15
POWER LED Lit while the power to the instrument is ON.
When the instrument is running on the battery pack, this LED turns from
green to red when there is insufficient power in the battery pack.
Conventions Used in This Manual
In this manual, each key is expressed as follows.
[key name]
Example
[ENTER]