III
2.2.1 Soft keys .......................................... 10
2.2.2 Shortcut keys ................................... 10
2.2.3 Character/Digit Input ........................ 10
2.3 Display Description .................................. 11
3. Using the Instrument ................................... 12
3.1 Function Menu Display ............................ 12
3.2 Learn User Channel Plan ........................ 13
3.3 Level Measurement ................................. 18
3.3.1 Analogue channel measurement ...... 20
3.3.2 Digital channel measurement ........... 25
3.3.3 Limit Display ..................................... 29
3.4 Constellation Diagram ............................. 30
3.5 BER Statistics Measurement ................... 35
3.5.1 Parameter Description ..................... 36
3.5.2 Soft Keys Operations ....................... 37
3.6 Tilt/Level List Measurement ..................... 38
3.6.1 Tilt Mode .......................................... 40
3.6.2 Level List Mode ................................ 42
3.7 Channel Scanning ................................... 44