circuit reading (penfold 10-note seq)

[tim0 [Timo Christ]]

Hello Synth-DIYers !


I have a problem understanding the schematic of the 10 note sequencer
published in the Penfold Book.
May I try to illustrate the part of the schematic in ascii :

 SK1       |
 _      ___|
| |   \/
|_|
__|________o
              - VE

SK1 is the CV Out socket of the sequencer.

What is  "-VE"  ?? 
           ___
Is the " \/    "  symbol "GND" ?? 

I╢m a real beginner, please help. :-) 


I intend to use the 10-Note Sequencer from Penfold for my to-be-build
modular synth ,  without a keyboard. 
What do you think about this device ? (alternatives maybe ?)
(BTW, if you want to know, it is a +5 V powered seq with a 555, cmos
tech + resistors and diodes)

thanks for your time,
Timo
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