Global Specialties PB-507 - Manual - Manual (Page 27)

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In the following table is summarized the factory default settings of the PB-507
Trainer:
Parameter
Factory setting
Function generator
Frequency 1.000 KHz
Level 1.0 Vpp
Waveform Sine
Output On/Off Off
TTL On/Off Off
Pulse generator
Frequency 1.000 KHz
Level 1.0 V
Duty cycle 50 %
CMOS On/Off Off
TTL On/Off Off
Frequency counter
Input signal type Bipolar
Counter mode Automatic
DC power supplies
Positive voltage 1.0 V
Negative voltage - 1.0 V
Logic switches
8 logic switches state Logic Low
Logic family TTL
SPDT switches
SPDT1 State 1
SPDT2 State 1
Logic indicators
Logic family TTL
Logic probe
Logic family TTL
Operation mode PULSE
System-related settings
Contrast adjustment 59%
Video mode Normal
Automatic save On
Power on Default
Front panel keys Unlocked
Page scrolling Manual
Panel displayed after power-on Function Generator
Security Secured
Table 3