Tandy 1000 SL Technical Reference Manual page 264

6 . 2 CHASSIS
GR(xTND
chassis ground is isolated fran logic grand.
6 . 3 POWER
REIQuIREMENI);s
The keyboard requires 5 Volts DC, +/-5%, at 500 millianps (-1.
W E B A T I N G . . . . . . . . . . . . . . . . O
to 50 degrees C
N O N - O P E R A T I N G . . . . . . . . . . . . - 2 0
to
60 degrees C
7 . 2 RELATIVE HUMIDITY
20% to 90% non-condensing
7 . 3 SHOCK
-rating and non-aperating
............
10G 11
m S
duration
7 . 4 VIBRATICN
-rating and non-operating
............
0 . 3
mn anplitude 10 to
55 HZ
8 . 0 RELIABILITY
8.1
SWITCH LIFE
Switch life of the keyboard is a minimum of 20 million cycles.
25