I just got an original SIMcheck, with manual but without PSU.
The manual says that it wants 9VDC, but doesn't indicate polarity.
Would somebody who has one take a look see whether it's +ve or -ve center, please?
The manual says that it wants 9VDC, but doesn't indicate polarity.
Would somebody who has one take a look see whether it's +ve or -ve center, please?